By Aime from Penrose, CO on January 6, 2014
We have one with 3 blades that is probably 15+ years old, and now needs to be started manually with a little push. Can we get another one with 3 blades?
By Collin C. - NFI Master Hearth Professional on January 7, 2014
Answer:Because of improvements made in design of the blades and to further cut down on noise produced, the manufacturer has revised all of their fan designs to a two bladed style.
By Joanne from Doylestown, PA on September 25, 2014
I have a wood stove insert. Would I still see some benefit if I were to purchase one of these?
By eFireplaceStore on September 25, 2014
Answer:Likely yes, but I encourage you to use an infrared or magnetic thermometer to determine the average temperate of the shelf the fan will be set upon to determine that temperatures are high enough. This fan operates best when surface temperatures are consistently at 225 degrees and above.
By Barbara from Santa Rosa, California on January 19, 2013
Are these Ecofan AirMax 812 stove top fans efficient for use on propane gas heaters with open grate tops and non-opening glass front doors in a 24 ft. x 24 ft. room with a 19-foot high open beam ceiling?
By Collin C. - NFI Master Hearth Professional on January 21, 2013
Answer:The 812 AirMax is an excellent choice for use with a propane stove, as it will begin to circulate air at a relatively low temperature, unlike other models. Your room size will not be an issue for circulation, but the high ceilings will have an effect on amount of available heat. The fan will assist in circulating the air further into the space, but a good deal of heat will ultimately be lost to the ceiling. If you have ceiling fans in the room, I would definitely recommend their use to force some heat back downwards.
By Steve from NJ on November 7, 2013
I just bought this fan and think it works great. Would a second fan help even more or is that going to be too much? I have a Vermont castings extra large dutch oven.
By Collin C. - NFI Master Hearth Professional on November 7, 2013
Answer:Because of their ability to work in tandem with no ill effect, it is certainly possible to use more than one fan upon your stove. Some very large stoves can even use 3 fans, but 2 would likely be the best number for your model.
By Sarah from Hampden, MA on November 4, 2014
Can this fan sit on top of a wood burning stove and withstand a stove top temperature of 300+ degrees?
By eFireplaceStore on November 5, 2014
Answer:It can indeed. The fan is designed to handle surface temperatures of up to 650 degrees without a problem.
By Carrie from Massachusetts on January 7, 2014
Our stove is set into the fire place. It is not an insert and there is clearance on the top and around the sides. I was told that I would not get enough cool air to circulate around the back and would burn out the fan. Is thus true?
By Collin C. - NFI Master Hearth Professional on January 7, 2014
Answer:The Ecofans often do suffer in these types of installations. Not only will the fan motor be prone to overheating, but the fan will also not work well otherwise. The fan depends on a significant temperature difference between the upper and lower parts of the fan. The temperature difference is what energizes the thermal generator which powers the motor. A confined space tends to heat the upper section to nearly the same temperatures as the lower part, leading the fan to spin very slowly or not at all.
By Ken from Delavan, WI on October 4, 2014
Is there a warranty on this particular fan?
By eFireplaceStore on October 6, 2014
Answer:There is a 1 year limited warranty on this product against defects in workmanship or faulty parts.
By Randy from Newport, RI on August 11, 2015
At what temperatures can I use this Caframo Ecofan AirMax 812 heat powered stove fan safely?
By eFireplaceStore on August 11, 2015
Answer:This fan is designed to operate between 150 and 650 degrees. Because of the sensitivity of the thermal generator, the 650 degree threshold should not be exceeded. Doing so will damage the generator and the electric motor.
By Sharon Dean from Watertown, NY on November 6, 2012
Could you give me the exact width of the base?
By Tyler M. - Fireplace Specialist on November 6, 2012
Answer:This fan's base measures 4.75" wide and 3.25" deep. The entire fan is 9.75" tall and the blade diameter is approximately 9".
By Roy from Las Vegas, NM on January 7, 2014
What makes this particular fan your best seller?
By Collin C. - NFI Master Hearth Professional on January 7, 2014
Answer:The high amount of air movement offered by the fan, coupled with the longevity of the product and its almost nonexistent operating costs, make this item one of our most popular stove accessories.
By Sandy from Fiddletown,CA on January 11, 2013
In the cold months I don't usually let my fire go out. Is this fan good for continual use? And what is the life of this fan?
By Kevin E. - Fireplace Specialist on January 14, 2013
Answer:These fans are ideal for continuous use. They are built to run all winter long. The manufacturer offers a one year warranty. However, this fan should provide you with service far beyond the expiration of this warranty.
By Gary from Pocono Lake, PA on January 31, 2014
I have a Gilbraltor wood/coal free standing stove that I mostly burn coal in. Will this fan work with a coal stove?
By Collin C. - NFI Master Hearth Professional on February 3, 2014
Answer:As long as the top of the stove does not exceed the 650 degree maximum that is listed for this model, the fan can most certainly be used. Regularly exceeding the 650 degree limit can damage the thermal generator used with the fan.
By Frank from Akron, OH on July 13, 2015
I have a fan that I used with my Vermont Castings Vigilant stove for years. I am switching to a gas Vermont Castings stove where the top should still get rather hot. I see that you have a different model of Caframo Ecofan AirMax fans for gas stoves. What is the likelihood that my existing fan will continue to operate?
By Will M. on July 14, 2015
The 812 will likely still work as the operating range of 150-650 degrees will allow the fan to start rotating and pushing air, however, it will push far less air than the Caframo Ecofan CA 806 Heat Powered Fan
as the gas fan seems to achieve maximum velocity within 50 above its 150 degree starting temperature, while the wood burning fan is still picking up speed up to approximately 250 degrees. I recommend using a heat gun or thermometer to test the surface temperature of the gas fireplace. If the temperature exceeds 350 degrees, the 812 would be the better fan to use. Any lesser temperatures would be better served by the 806.
By Eric from MD on July 14, 2015
Answer:It will probably work but at a lower average airflow and maybe take longer for it to start turning. Looking at the gas/pellet-oriented fans, the heat sink and peltier junction is closer to the heat source, so that would get going quicker on a gas or pellet stove and run faster.
By Brian from Huntington, MA on July 14, 2015
Answer:I also use my fan on a Vermont castings vigilant and it works great! I also have a Hearthstone soapstone stove that I thought the fan would work on as well. For reasons I am not sure, the fan does not perform on the soapstone like it does on the cast iron. I was able to determine that the cast iron gets quite a bit hotter than the stone. The soapstone provides great heat but the heat transfer seems different. So if the operating temperature on the gas stove is not equivalent to the woodstove, I don't think the fan will perform as expected.
By Carl from VT on July 14, 2015
Answer:We used it on a VT Castings "winter warm" fireplace insert and it worked great, even though it was not directly on the major heat from the top of the stove. I hope that helps.
By Mary from Golden, CO on July 14, 2015
Answer:You are going to love this fan. It will operate when the stove is barely warm. We let our stove go out at night. And our fan continues to turn until the very end of the heat. I would buy each one of our kids this fan, but they don't have a stove.
By Betsy from Montpelier, VT on July 14, 2015
Answer:My fan is on a Jotul Oslo woodstove that replaced a Vermont Castings Vigilant that we used for 30 years. It works wonderfully on the new stove. I would suggest you try the one you have and if it doesn't work to your satisfaction, try to garner information specific to the gas stove model. I'm sure others must be in your situation.
By Tina from Catskills, NY on July 14, 2015
Answer:I feel that the heat will make the fan rotate and do what it has always done.
By Debra from Holmen, WI on July 14, 2015
Answer:The Caframo Ecofan AirMax 812 Heat Powered Wood Stove Fan is the best thing that I could have purchased for my stove! It takes little heat for the blades to start turning to move the air that is rising form the stove top! I find that it increases in speed as the stove temperature rises and is so silent in it operation that unless you look at you would not even know it is spinning! Moves the hot air to more corners of the room! Just love it! I have no doubt that it would operate quite nicely on any flat, heat-radiating surface as yours is! It has made a big overall improvement in the temperature of our room! Thanks, Ecofan Air Max 812.
By Vinny from Floral Park, New York on March 4, 2014
I have a traditional brick fireplace with a gas insert. Where would I put this or is there something else I can use to help disperse the heat?
By Tyler M. - NFI Certified Specialist on March 4, 2014
If your insert does not have any listed options for its own blower, an Ecofan may be a good idea if you have enough room to place it on top of your insert with space behind it to enable air circulation. However, this particular Ecofan is only suitable for use with a wood stove, your gas insert would need a
Caframo Ecofan CA 806
. The dimensions of the base for that model are approximately 2 1/4 inches deep by 6 1/4 inches wide.
By Edward from Southington, Ct. on January 21, 2013
Can I use this on top of my kerosene heater? It is a Aladdin blue flame. The top is 9 inches in diameter and runs up to 600 deg. F.
By Collin C. - NFI Master Hearth Professional on January 22, 2013
Answer:Although not designed with this type of installation in mind, there would not be an issue with using the 812 AirMax fan for this purpose. I do not recommend using any other model, as the 812 is the only one that has a motor with a high enough temperature rating. I would also verify that the top of your heater is perfectly flat, as the fan will not function well if placed on a domed or dished surface.
By Glory from Lancaster, PA on January 1, 2014
Does the color of the blade make any difference to performance? For example the weight of the blade, etc.
By Tyler M. - NFI Certified Specialist on January 2, 2014
Answer:No, the color options are for purely aesthetic purposes.
By Jingying from NY on November 14, 2013
I just purchased the AirMax 812 wood stove fan. After I read the instruction, I am not sure it can be used by my wood stove. My stove was installed in the wall. The largest portion (about 3/4) is in the wall, the outside of the top surface can just barely place the stove fan. The pipe was in the wall. Your instruction said that the fan shouldn't be used directly in front of the stove pipe or at the front of the stove. I took the pictures to show you what kind of stove I have and where I put the fan. Can you tell me if this fan is a good fit for my stove? In the instructions, it said the surface temperature should be lower than 650 degrees. How can I know what the temperature is? It will be inconsistent, because the temperature always changes with the fire. I couldn't find some thermometer with an alarm. Can you please help me?
By Collin C. - NFI Master Hearth Professional on November 14, 2013
Answer:The surface temperature of your stove can be determined by using a magnetic thermometer or a laser thermometer. It is recommended to use a magnetic thermometer for any wood stove or insert, as this will make sure that the stove is not overfired.
The fan can start operating at temperatures as low as 150 degrees, which should be achieved even at the front of your insert. The fan is facing the wrong way in the photos and should be rotated to face the room, rather than the stove. It would be rare, even with the hottest fire, for the stove surface temperature to exceed 650 degrees. As such, there should be no damage to the fan.
By Rick from NH on December 8, 2014
I have had such good results with the Ecofan Airmax 812 on my Vermont Castings Encore stove that I want to know if I can use two Ecofans and get even better results. Would this work? Is there a diminishing return aspect or could I move 2x the air. My house is large (4200 square feet) and this stove sits in a center fireplace so I would like to move as much air as possible.
By eFireplaceStore on December 9, 2014
Answer:You can certainly utilize a second fan in your case. The distance between the fans is great enough that the amount of heat pulled into the base via conduction should not cause any interference of the operation of either fan.
By Shirley from Whidbey Island, WA on March 4, 2015
What is the best way to measure the temperature of my stove top? I have an older, Country free-standing stove.
By Chris C. on March 5, 2015
A stove top thermometer such as our HomeSaver Magnetic Stove Thermometer
is an excellent accessory to have atop any wood burning stove to ensure that the stove is not over-fired. However, an infrared thermometer that can be acquired through a hardware store is also an alternative to periodically check stove top temperatures.
By Tommy from Louisiana on December 13, 2013
What is the difference between the 810 and the 812?
By Tyler M. - NFI Certified Specialist on December 13, 2013
The basic Ecofan 810 model
is capable of moving 105 CFM of air, while this larger 812 model can move 150 CFM. The operating temperature between the two is very similar. Besides differences in blade color, these are the only things that separate them.
By Gerry from Maine on December 1, 2013
Do these fans blow air into other outlying rooms or is a motorized fan better for that purpose?
By Tyler M. - NFI Certified Specialist on December 2, 2013
Answer:Indeed, a motorized blower made for your wood stove would be a better option for maximizing heated air circulation to adjacent rooms.
By Gizell from Buffalo, N.Y. on January 8, 2014
My wood stove has a shroud around the entire stove. The top sits about 3" above the firebox.
Does the fan have to sit on the fire box itself? Or, will it operate as efficiently sitting on the vented shroud?
By Chris on January 8, 2014
Answer:The fan itself will begin to spin at around 150°F, but require no more than approximately 250°F to be creating 175 CFM. Being that the top is only 3" above your firebox, I would expect the shroud would easily reach the temperature. However, I would use a stove thermometer or an infrared thermometer to ensure the shroud is reaching a high enough temperature allowing the fan to operate effectively.
By Jan from China Village, Maine on September 16, 2013
Our fan no longer circulates. What can we do to 'fix' it?
By Collin C. - NFI Master Hearth Professional on September 17, 2013
Answer:It is likely that for a long term fix, the fan motor will need to be replaced, as they do lose their ability to produce voltage over time.
However, the motor seal can also be oiled by lubricating the output shaft. The fan blade set screw will need to be removed and the fan blade set aside. Using a product such as 3-in-1 oil, lubricate the motor shaft while the fan assembly is laying on its back. Slowly rotate the shaft to allow the oil to work into the motor windings. This will often help to extend the life of the fan motor.
By Rose from Kellogg, ID on February 1, 2015
Do these come with three blades or two?
By eFireplaceStore on February 2, 2015
Answer:These fans are no longer manufactured with three blades. The manufacturer switched to a two blade production to make the fans even quieter than they previously were.
By Allison from Westport, MA on February 3, 2014
How well would the AirMax fan work on a very small (600 sq ft capacity) cast-iron wood stove? I am trying to heat a 300 sq ft room, and the heat really doesn't travel far from the stove except to go straight up to the ceiling. I would buy one of these fans if it could better circulate the heat around my cold kitchen! What can you tell me?
By Collin C. - NFI Master Hearth Professional on February 4, 2014
Answer:These fans work very well to induce a flow of convection, better distributing heat further away from the fan and delivering the cooler air back to the stove to be heated. The fan will achieve maximum airflow at temperatures as low as 250 degrees. Even though cast iron stoves typically have lower surface temperatures than plate steel models, you should still achieve a high enough surface temperature for the fan to work well.
By Callie from Utah on June 5, 2014
What if the surface temperature of your stove exceeds 650 degrees? Will the fan still operate? Will the fan be damaged?
By eFireplaceStore on June 5, 2014
Answer:The thermoelectric generator can be damaged if the wood stove surface temperature exceeds 650 degrees for prolonged periods. Almost all wood stoves will have a surface temperature of less than 650 degrees under normal operating conditions, although some models can go higher depending on design.
By Tedd from VA on June 5, 2014
Answer:As the thermocouple is designed to run via heat, there is an upper limit to the temperature it can withstand. There are wires,etc that at >650 may damage the components. If your woodstove top plate is >650, your stove is probably too hot internally. I've had mine quite hot and no issues, and it makes a good indicator when the stove needs wood as the fan turns very slow.
By Carrie from Nokesville, Virginia on June 5, 2014
Answer:I have never exceeded 650 degrees, so I cannot answer that question. However, with using this fan it tremendously reduced the amount of wood I used. Took me awhile to get it right. Many nights had to open the windows as I got the house tooooo warm :) Love this product!
By Rick from NH on June 5, 2014
Answer:I have not had mine up that hot but at 600 degrees it was working fine. I would guess your answer should come from the tech people at Ecofan.
By Glenn from Long Island on June 5, 2014
Answer:Sounds like more of a technical question for the manufacturer. I do not have a temperature gauge but I can tell you the fan has performed flawlessly even during some very hot fires.
By Shaun from Idaho on June 5, 2014
Answer:We don't have a thermometer on our wood stove, however, when the stove gets really hot the fan starts to make quite a bit of noise (kind of like a rattle).
This of course catches our attention and we either move it to the front of the stove top, or take it off and set it on our hearth. I am not sure if the fan
would be damaged if we left it on, but my guess is the blades may get warped.
By Mike from Salem, MA on June 5, 2014
Answer:I have pushed the stove to 650 and it still works fine.
By Rich from New York on June 5, 2014
Answer:The fan will still operate at 650 degrees or higher. I don't know if the fan will be damaged, according to the company info we shouldn't operate the fan at higher. I have an 810 also and ran it higher than I should and it still works fine. To be safe run at the recommended temperatures. Hope that helps
By Matthew from Sunapee, New Hampshire on June 5, 2014
Answer:I've never known the temperature of my stove but I've had it cranking as hot as possible & the fan worked beautifully.
By Big Black Bear from Boulder, CO on June 5, 2014
Answer:Sorry, can't answer your question, I only burn pine and rarely get above 600 F. Probably best to ask Caframo.
I WILL say it is a great little fan, it does manage to circulate a good amount of air, is attractive and silent, everything it is advertised to be, would recommend it!
By Gary from Elkton, MD on June 5, 2014
Answer:The fan runs on heat. The hotter the stove the faster the fan runs. The entire fan is metal, and I can't imagine the fan melting. The heat can't damage the motor. Therefore the very hot stove should not damage the fan.
By Dave from Mill Hall, PA on June 6, 2014
Answer:Sorry, I can't be of help regarding temp. I have a propane stove which has no integrated fan, so it's convection out the top grate of the stove. I'm careful where I set the fan so its not directly over the louvered surface but works just fine. It needs to be close enough to the heat to work but close to a cooler surface (wall behind) to blow across the hot surface. I have an infrared heat gun but sorry I don't recall how high the temp was. But I'm sure it wasn't over 650. I know if it was over 650 I wouldn't have bought it.
By Monte from Pine, CO on June 6, 2014
Answer:Been there, done that. The flue temperature gauge on my wood stove was reading 900+ degrees. How did I know? I had loaded the stove with too much little kindling trying to restoke a dying fire. I realized my error when I heard my Ecofan minutes later. It sounded like an airplane ready for takeoff. It was really cranking. I immediately shut down the damper and, using a hot pad, lifted the fan off the stove via the wire hoop on top. Within 5 minutes, both were back to operating normally. The Ecofan apparently experienced no damage and has worked fine since. I wouldn't recommend temperatures above 850-900 degrees for either the fan or stove, but an occasional blip doesn't seem to be a big deal. I generally keep my stove at 500-800 degrees with no problems. I would imagine continued high temperatures will shorten the life of the electric motor (replaceable). I love and still marvel at my Ecofan. Hope this helps.
By Jude from Upstate New York on June 8, 2014
Answer:Yes, this fan still operates over 650, but the manufacturer says it may damage it, so when I first got it I tried to monitor the stove temp, and took it off when it got to 650 or higher. My little fan is on top of a fireplace insert that has no built in fan. This Ecofan makes NO noise, none, and spins super fast. (I sometimes give it a little twirl to get it started). I found I do not need my stove over the 650 range now to heat the room. This little fan helps me keep the fire temp lower, and still heat the area, but with less wood. Great fan and made solid.
By Joe H. from Pittsburgh, PA on September 22, 2014
We have a Quadrifire 3100 fireplace insert, which extends out from the wall approximately 8 to 9 inches. We have a large family room ( 12 x 22 ) and the insert alone only keeps the area around the insert warm. Would the Ecofan help in this situation? Would we need to place fan at an angle on the insert to draw the cooler air from the side of unit, rather than the back?
By eFireplaceStore on September 23, 2014
Answer:The ecofan should indeed assist with moving some of the rising heat from the insert further into the room. I recommend checking the surface temperature of the top shelf to ensure the fan will operate properly. Ideally, it would be 225 degrees or greater. The fan will only work if placed flat on the top shelf. It cannot be angled in any way.
By Elijah from Midlothian, TX on February 26, 2015
Can you use this Ecofan in a gas log set in a fireplace?
By eFireplaceStore on February 26, 2015
Answer:Unfortunately, no. The base of this fan requires direct contact with the hot metal chassis of the fireplace in order to operate properly. Rising heat from a log set will not make the fan operate on its own.
By Dave from Colorado on November 4, 2013
On the 812, almost all the reviews are from woodstove owners. As we have a freestanding gas fireplace, would we expect a lower performance as the surface temperatures may not be as hot as wood? What are your thoughts?
By Collin C. - NFI Master Hearth Professional on November 5, 2013
From my experience in testing these fans in a controlled environment, the 812 does indeed move less air at lower temperatures, when compared to the Caframo Ecofan GS 806 Heat Powered Fan for Gas & Pellet Stoves
. The gas fan seems to achieve maximum velocity within 50 above its 150 degree starting temperature, while the wood burning fan is still picking up speed up to approximately 250 degrees.
I recommend using a heat gun or thermometer to test the surface temperature of the gas fireplace. If the temperature exceeds 350 degrees, the 812 would be the better fan to use. Any lesser temperatures would be better served by the 806.
By Rich from Shoemakersville, PA on November 11, 2014
Will this fan work on top of a 4100 Quadra firewood burning insert?
By eFireplaceStore on November 11, 2014
Answer:While the upper shelf of the bay is very short, there should be just enough room for the fan to fit. The surface temperatures will certainly be high enough to power the fan without an issue.
By Brenda from Akron, Ohio on November 9, 2012
We heat our entire house with a fireplace insert (very open floor plan). The electric blower has been intermittent, so I am considering our options. I love the idea of an electricity-free, silent fan. Will you please confirm that this would work on an insert? I understand that it would need to be positioned at the side or at an angle for proper air flow.
Also, please give me a realistic comparison of its effectiveness to what a standard electric insert blower puts out. I'm eyeing the AirMax model because of the large space that needs to be heated, but I don't know if this is even realistic with this type of fan.
By Collin C. - NFI Master Hearth Professional on November 9, 2012
Answer:As long as the insert has a significant amount of protrusion onto your hearth, the Ecofan could be a good solution for your needs. The fan will start to operate at as low as 150 degrees, and can move up to 150 CFM of air, which is greater than most electric blowers can manage.
The only downside to this type of system is not the amount of air, but the amount of heat it will move. Your built-in blower will always be more efficient, as it is pulling heated air from around the stove casing, which has a considerably higher temperature than the heated air that radiates from the top of the insert. Because of this, the fan is likely to be a bit less effective than your current blower.
By Mike from Pottsville, PA on January 13, 2015
Can this fan be used with an Anthracite hand fired coal fireplace insert?
By Kevin E. on January 13, 2015
Answer:This particular Caframo fan has an operating temperature between 150° and 650°. If the surface of your insert heats up to within this range, then yes, this fan would work for you.
By Robbie from Auburn, AL on January 13, 2015
Answer:I guess as long as it is going to just sit on top of the stove. The metal of the top of the stove is what heats up causing the fan to generate electricity.
By Bill from Romney, WY on January 13, 2015
Answer:My Son uses one on his coal stove. Make sure to keep the surface temperature of your stove below 650 degrees.
By Maria from CA on January 13, 2015
Answer:We use it on top of our pellet stove in our cabin and we love it. The fan, although small, pushes out the heat very well. Most of the time our furnace does not run. The fan is so quiet you'd never know it's running.
By Rick from CA on January 13, 2015
Answer:In theory it can as long as you have a flat section large enough for this to sit freely on. I'm not familiar with the type of insert, but if it has an existing fan, these are not for you. The are meant for passively radiated stoves. These fans help circulate the air a little.
By Paul from ID on January 13, 2015
Answer:Your unit must be able to pull cool air from behind the fan so it won't overheat. If that can he done and it can blow air across a heated surface it should work fine.
By DB from PA on January 13, 2015
Answer:I use the fan on a hitzer 608 stoker mainly to move some air when the stove is at idle. The stovetop is around 180 degrees and it spins at about 20% of its speed. It's rated up to 650 degrees but my stove has fans that move the air so it will never see those temps. It does not move air like an electrical fan or blower but it does move air. I have a thermometer about 40 feet away from the fan and it will raise the temperature almost 2 degrees when in use and the stove is idling. It's in an open basement that's about 2500 square feet
By Brian from Huntington, MA on January 14, 2015
Answer:I am not sure if the fan will work on an insert. A couple questions need to be answered first. Is there enough surface area to put the fan on and what is the surface temp of the insert. These fans do need a source of cool air so on a conventional wood stove if you put the fan on a corner the fan can pull cooler air and push it across the stove surface. I have my fan sitting on a Vermont castings defiant and it works awesome!
By Norm from MD on November 21, 2014
We have a plate steel woodstove (Known as The Boss) enclosed inside a sheet metal cabinet with ducts running from inside the sheet metal covering to the floor vents above it. We could use more air flow. How would this fan stand up to being on top of the woodstove enclosed in the sheet metal "cabinet" sitting directly on the stove's surface?
By Chris C. on November 21, 2014
Answer:From what you have explained, I would doubt that the Caframo fans would work for you. They rely on the base to be set directly atop the stove with cool air to be pulled through the fins on the back of the fan itself. This temperature difference between the stove top, and the cooler air at the top of the unit is what allows the fan to operate. Placing the unit atop a hot surface surrounded by hot air will not allow the fan to operate as it should.
By Sarah from Maine on November 21, 2013
We have a small wood stove that is made of soapstone. We often use it as our only heat in the winter (no heat upstairs). Our downstairs is basically a big open square with a staircase in the middle. The side of the house that the stove is on gets quite warm (lower 70's) but the other side of the house is often only in the lower 60's. Would adding a fan to the stove improve this heat discrepancy? Do you have any idea by how much?
By Collin C. - NFI Master Hearth Professional on November 22, 2013
Answer:Use of a circulating fan would indeed offer better balance to the average temperature of the entire house. It is difficult to say how much of a difference will be made without knowing the exact square footage of the home, but on average, a fan can make a 4 to 5 degree difference.
By Nick from Sellersville, PA on January 10, 2014
Can I use the Eco fan Airmax powered wood stove fan for my fireplace?
By Chris on January 10, 2014
Answer:The Caframo Eco Fans will operate only when placed upon a surface in which the temperatures will reach approximately 225°F. If your fireplace has a flat space in which to set the fan, it may be prudent to ensure the surface reaches a high enough temperature to operate the fan.
By Paul from Willunga, South Australia on July 20, 2014
I have seen various letter combinations after the 812 designation. These obviously signify different models but what are the pros and cons of each?
By eFireplaceStore on July 21, 2014
Answer:The standard 812 fan was revised from a 125 CFM output to a 175 CFM output fairly recently. When this occurred, the "AM" nomenclature was added. The remaining stock we had of the 812 fan has been depleted, so all fans shipped now are the "AM" version. The remaining letters are used to indicate blade color. The physical blade design and CFM output is the same for all colors.
By Marilyn from Greenwich, NJ on September 26, 2013
What material is this fan made of?
By Collin C. - NFI Master Hearth Professional on September 27, 2013
Answer:The fan body and blades alike are made from cast aluminum.
By Doug from Warren, PA on October 7, 2014
Does this model adjust its speed automatically?
By eFireplaceStore on October 8, 2014
Answer:This fan will gradually ramp up CFM output as the temperature of the stove increases. The fan will begin turning around 150 degrees and will continually gain momentum until the stove reaches between 225 and 250 degrees. From that point up to the maximum of 650 degrees, the fan will be turning at maximum speed and producing the full 175 CFM of air movement.
By Dorothy from Brockton, Massachusetts on November 22, 2013
Could you use this fan on any wood stove and is this model your biggest one?
By Collin C. - NFI Master Hearth Professional on November 22, 2013
Answer:This model is indeed the highest CFM model that we offer currently, with an output of 150 CFM. The fan will work with any wood stove that achieves a 150 degree surface temperature, with ideal heat range between 225 and 650 degrees.
By Ellen from Bayfield, CO 81122 on January 8, 2013
I can't order Airmax 812 without having additional fans added to my order I want just one of these! I have a gas stove and live in CO.
By Collin C. - NFI Master Hearth Professional on January 8, 2013
Answer:It sounds like you may have looked at the fan numerous times or evaluated other models and they were added to your shopping cart. You should be able to view all items in your cart and see all items added. To remove any unwanted fans, erase the number in the quantity box and click the update button. If you have several of the same Airmax 812 fans in the quantity box, revise the quantity to "1" and click update. We can also contact you to place the order via phone if you wish.
By Barbara from Phoenixville, PA on December 6, 2014
My wood stove is 3/4 inside an existing fireplace with a 6 inch clearance from the top of the stove to the opening of the fireplace. There is a 3 inch area at the front of the stove top outside of the fireplace opening. Is this space adequate to place an Ecofan?
By eFireplaceStore on December 8, 2014
Answer:The height of the fan would make it necessary to place the unit on the 3 inch protruding ledge. I measured a unit we have in stock to verify the 3 1/4 inch depth is accurate and the fan does indeed measure to this depth. The fan is still stable with 1/4 inch protruding over a ledge and the base would still absorb enough heat for the unit to operate properly.
By Betsy from Montpelier, VT on January 27, 2015
I am debating between the 810 and 812 Ecofan for our woodstove. I want to push the heat toward the opposite end of a 20' room which is 11' wide. There are 2 ceiling registers to the upstairs above the stove. Which of the two fans would you recommend? I'm assuming that we will not feel any "breeze" coming off the larger fan.
By Kevin E. on January 27, 2015
Answer:The larger 812 fan is capable of moving more air at the greater CFM of 175. So, it would be recommended to insure you are moving the greatest amount of air possible. These units do indeed move air and push heat across the room but you will likely not feel rushing air from the unit.
By Jean from Essex, NY on January 27, 2015
Answer:I would suggest you get the Eco fan 812, it will not push the air the entire 20 feet of your room but it will most likely move it far enough to get to your registers. The only way I know to get more of a blower effect from your stove is to go electric.
By Tyler from MD on January 27, 2015
Answer:My father has the smaller fan and I bought the larger fan. I definitely notice a difference in the larger fan. If your going to purchase an ecofan i would go with the larger one. You will not be disappointed!
By Ric from CA on January 27, 2015
Answer:I would go with the larger 812 model because these fans don't push as hard as you would think. Unless you are right in front of it, you won't feel a breeze. They are also temperature sensitive, so the hotter your fireplace the faster the fan will run and vise versa.
By Cathy from OR on January 27, 2015
Answer:I am sorry that I cannot answer your question very well. We tried the 812, however we had to return it because it was not circulating the air very well at all. It seems that our stove surface stays at about 180 degrees, which must be too low to allow the fan to do its job well. My advice, make sure the surface temp of your stove is hotter than 180. Maybe they can tell you what the optimum temp should be.
By Jay from ID on January 27, 2015
Answer:You won't feel anything that registers as a breeze. It feels like light air movement at about 1-5 feet away. I sit about 8' in front of my 812 and I don't feel any "breeze". Mostly, it will even out the heat in your room. It's made a huge difference in my entire house. I have a thermostat that ran a base board about 27' in front of mine. It ran constantly in the winter but since I got the fan it doesn't ever run, unless the fire burns down. I would get the big one as the heat sink on top and the Peltier are heavier duty. That alone would justify it for me!
By Allawna from CA on January 27, 2015
Answer:We have a 13' x 26' room with a wood stove and chose the 812 Ecofan. We were attempting to move the heat through the home as well as the room. We do not feel any "breeze" coming off this larger fan. It has worked perfectly for moving the heat through the room. We also feel a difference in the outer rooms of the home.
By Chuck from OH on January 27, 2015
Answer:We are using the 812. Our set up is a room 22 ft long and 15 feet wide with peaked ceilings about 15 feet high. The room is south facing with a wall of windows. We live in northern Ohio. We have an addition at the end of the 22 foot room,15' x 12', that has a pocket door that is open during the day.
We are very pleased with the increased room warmth using our Ecofan and we are happy with our purchase!!
By Diana from AR on January 27, 2015
Answer:I only have experience with the 812. We use it for a room that is 22' x 22'. You will not feel any breeze and the fan is silent.
By Loren from PA on January 28, 2015
Answer:I would definitely go with the 812. It has almost 30% more CFM (cubic feet per minute) then the 810 (810 is 125 CFM and 812 is 175 CFM). While you won't feel a "breeze", it does move that much more air around the space. The price is only a little more for the 812, but, the cost savings in heat far surpass that small amount in no time. You won't be disappointed.
By Kim from Glen Rock, PA on January 28, 2015
Answer:I bought the 812. My room is 15 x 13 and I have an adjacent bedroom. It does a good job of distributing air. I chose the 812 "just to make sure" it worked for our purposes and it has been worth it. I haven't noticed a breeze but when I'm warming up the house after an absence I always point the fan to where I'm sitting and it makes that corner of the room noticeably warmer.
By Mike from MN on January 28, 2015
Answer:Go with the bigger model 812. My room that I use the fan in is similar in size. You will not hear the fan and after about 10 feet or so you won't feel it either but it is working and I feel works very well. Good luck.
By Chris from VT on January 28, 2015
Answer:I would say get the bigger one, the 812. They say this unit pushes about 150 and 175 cfm depending on the site you look at but I would say it is more like 100cfm when the stove is very hot. So I am glad I didn't get a smaller one. I have a 2500sq foot home and a ceiling fan in the living room were the wood stove is. So, we bought this unit mainly for if the power goes out. But it works OK and we are happy with it. But I would buy the bigger one if I were you. Hope this helps.
By firstname.lastname@example.org from email@example.com on January 8, 2013
There are several models of the Caframo wood stove fans. What is the difference in performance of each of the different styles?
By Collin C. - NFI Master Hearth Professional on January 8, 2013
Answer:The basic 810 models are capable of moving 105 CFM of air, while the larger 812 model can move 150 CFM. The operating temperature between the two is very similar. Besides differences in blade color, these are the only things that separate them.
By Judy from Forestdale, Massachusetts on February 28, 2014
Our wood stove is a top loader. Sitting a fan on top of this would mean removing it each time we had to load the stove. Although it is simply an extra step, my question is how safe is this extra step? Will handling the fan this often damage the fan? Our more importantly would it damage us?
By Collin C. - NFI Master Hearth Professional on February 28, 2014
Answer:It is possible to carefully pick up and set aside an Ecofan by using the supplied handle. Depending on the stove, the handle can get quite hot, so a glove should be used when moving the fan. No damage will occur to the fan if it remains upright while being moved. The fan blades are blunt and will not cause injury, but care should be taken to avoid touching them while the fan is spinning, as the motor hub and blades are easily bent.
By Steve from Denver, CO on October 14, 2014
I'm looking for a fan to help circulate the air in a 12x14 wall tent with a wood stove. What size or model of fan do I need?
By Chris C. on October 14, 2014
Answer:The AirMax 812 would be the best option that we currently offer as this model moves more air than previous units. I would expect the 812 to circulate air around the space described adequately.