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Direct Vent Fireplaces

Direct vent fireplaces are very popular because they can be vented without a masonry chimney. Instead of requiring custom-built structures, these gas appliances use special double-wall pipe and can be vented horizontally through a wall or vertically through a roof. This allows them to be very flexible in terms of placement and much easier to install than traditional wood fireplaces. You'll also find that most direct vent fireplaces feature a high efficiency rating, thanks to glass doors that radiate heat while preventing warm room air from being lost up the flue.
By kitty mobbs from Thermopolis, Wyoming on November 4, 2012
I have a Vermont Casting direct vented gas fireplace free standing. The pilot won't stay on; as soon as I let go of the light button it goes off. Can you help me?

By Tyler M. - Fireplace Specialist on November 5, 2012

Answer:
This issue is often the result of a dirty or partially clogged pilot assembly. In order to clean the pilot, the nut that is threaded to the end of the pilot tube will need to be loosened and disconnected from the pilot assembly.

The nut is approximately two inches down from the end of the pilot tube. The tube can then be cleaned out with compressed air and the nut re-tightened.

By David Woods from Seattle on January 2, 2013
For a direct vent gas stove, I have room to install either a rear-vented or top-vented stove. Are there advantages to one over the other regarding efficiency?
By Tyler M. - Fireplace Specialist on January 2, 2013

Answer:
If feasible, it is preferable to go with a top vent model, which you can then run the vent pipe up a short distance (1-2 feet), then elbow out 90-degrees and terminate on an exterior wall.

By Bill Werner from Grand Island, NE on January 2, 2013
I have purchased a new 6000CL fireplace and want to vent directly out the back. I have 14 inches from the back of the unit to the outside wall. I have been told locally that the draw is not as good as using the top.
By Tyler M. - Fireplace Specialist on January 3, 2013

Answer:
Indeed, a top-vent application that has a one or two foot rise before elbowing 90-degrees through a wall is preferable to a rear-vent. However, in most cases a 14" rear-vent run is perfectly acceptable and should work fine, as the normal maximum straight horizontal run is around 20".

By Angela from Buffalo, NY on March 3, 2013
I currently have a B vent fireplace. Can I replace it with a direct vent? Do I have to replace the pipe through the roof or use what is there?
By Collin C. - NFI Master Hearth Professional on March 4, 2013

Answer:
A B vent type of fireplace certainly can be replaced with a direct vent model. However, the venting system is different. A larger direct vent pipe, usually 7 inches in diameter, must be used. If you have a 9 inch by 9 inch area to contain the pipe, retrofitting to a direct vent fireplace would be fairly easy.

By Tricia from Dallas, Texas on January 3, 2013
We have 2 direct vent fireplaces in our hi-rise condo. We did the break in period burning totally. However , we are still getting a plastic burning smell, especially after about 1 1/2 hours into burning. Why? It smells bad and I feel it is bad for us to smell.
By Collin C. - NFI Master Hearth Professional on January 6, 2013

Answer:
Per your description, it sounds as if a component such as a wiring harness or remote receiver may be installed too close to the firebox inner chassis and is overheating. Is this smell coming from both units or just one. Also, what material was used to finish around the fireplaces? Can you see any smoke or a haze in the air when burning the unit?

By Dottie MacRitchie from Connecticut on November 7, 2012
Which direct vent fireplace has the highest BTU?
By Kevin E. - Fireplace Specialist on November 7, 2012

Answer:
The majority of our direct vent fireplaces average heat output between 30,000 and 40,000 BTU, but this output is directly related to size. Output varies for gas type, as well - either natural gas or propane.


By Verna from Palm Springs, FL on March 22, 2013
I am interested in a direct vent fireplace like the LHD50N from Napoleon. However, I would prefer to run the vent through the existing fireplace/chimney without destroying either one. The top of the existing fireplace is 36". Are there any rear-flue direct vent fireplaces on the market that would allow me to do this? Most that I have seen require close to 4' (from the floor) before a horizontal vent run is made.
By Kevin E. - Fireplace Specialist on March 22, 2013

Answer:
The only options we would have that would be suitable for your application would be something like our Loft Inserts. Of course, these do present a smaller viewing area that something like the LHD50.

By Lois Tate from Lake Orion, MI on December 30, 2012
I have a direct vent fireplace with no owners manual. I have model no. DVD 32FP30N-1. It is 34" wide by 31" high. Can you help me?
By Tyler M. - Fireplace Specialist on December 31, 2012

Answer:
Yes, you have the Empire Tahoe Deluxe Direct Vent Natural Gas Fireplace. You can see the owner's manual for this unit here: owner's manual

By Maggie from West Bloomfield, MI on April 14, 2013
I need a replacement part for the front part of the refractory hearth for FMI Model # GL4100/P. It is the horseshoe shaped part that goes in the front. I also need the blower kit for this model. Do you stock these parts?
By Chris on April 15, 2013

Answer:
After checking with FMI, I was informed that the refractory hearth panel is no longer available through them. He did inform me that the correct blower assembly is indeed still available. The part number for the appropriate blower is VCBK3E.

By Ramona from San Antonio, Texas on November 3, 2012
Is there a direct vent fireplace that can burn wood as well?
By Tyler M. - Fireplace Specialist on November 5, 2012

Answer:
No. All direct vent fireplaces can only be used to burn natural gas or propane.

By Kim on November 9, 2012
Does a LHD45N Napoleon direct vent gas fireplace need its own electrical circuit? I have the electrician here and he would like to know.
on November 9, 2012

Answer:
Yes, the Napoleon LHD45 will require electricity to operate, as it uses it for ignition. There is a battery back-up, however, so you will be able to use this fireplace in the event of a power outage. Please let us know if you have any additional questions.

By Kevin on November 9, 2012
I'm looking to replace an old Majestic fireplace that was capable of burning both wood and gas; this thing is probably 20 years old. We still have the old venting pipe from this system and it's approximately 10-12 inches wide . If I were to install a direct vent system to improve efficiency, would this old pipe still be used? Or the new one run inside it? Or an entirely new exhaust installed? I'm just trying to get an idea of what my best plan of action is here. I fully intend to have a professional install the new unit, however, and this consideration may change the location of the new unit and effect the cost of materials.
on November 9, 2012

Answer:
Most likely, you will need to remove the existing chimney system and replace it with the smaller direct vent piping that will be needed instead. While there are some conversion kits that can adapt an existing wood burning chimney for direct vent purposes, there are no kits that are designed to work with Majestic products. The option does exist to leave the Class A chimney in position and line the chimney with the direct vent pipe; however the existing chimney system must be perfectly straight and the termination at the top of the chimney will need to be modified with a site built storm collar to cover the extra space between the direct vent pipe and the Class A chimney pipe. Please let me know if you have any questions about the installation or if I can assist in any other way.

By Yousef on November 9, 2012
I need the price of an Empire Deluxe 42" direct vent natural gas fireplace to be installed at a room corner with duct to outside of building with brick siding.
on November 9, 2012

Answer:
We would be happy to send you a quote for these items. Please reply with a shipping address and we will send you a quote as quickly as possible. Also, please advise on any optional accessories you may be interested in, such as a blower, brick liner for the interior of the fireplace, remote control (basic on/off or thermostatic), and anything else you that may interest you. Also, please note whether you want the fireplace to have louvers or if you prefer the flush/smooth face model. We look forward to your response.

By Dan on November 9, 2012
What is the difference between direct and b-vent?
on November 9, 2012

Answer:
There are several differences between direct vent and B-vent. For a detailed explanation, please see our Gas Fireplace and Stove Buying Guide.

By Scott from Newport, RI on March 30, 2013
I'm looking for a direct vent gas fireplace insert with top vent, with 3 or 4 inch exhaust. The fireplace opening is 34" wide in front, 21" wide in rear, 33" height, 15" deep. I'm also interested in a traditional look and glass doors. Which units will work?
By Kevin E. - Fireplace Specialist on April 1, 2013

Answer:
Your dimensions are near perfect for our Medium Innsbrook. Being direct vent, this unit will featured a sealed glass front and dual 3" vents on top. Please note that these units must be installed in a true masonry fireplace.

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