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    See Through Fireplaces & Double Sided Fireplaces

    Have Questions About See Through Fireplaces?

    Browse See Through Fireplaces


    See-Thru & Penisula Fireplaces

    New technology means fireplace options are increasingly creative and versatile. Linear styles? Check. Free-standing? Check. You can also opt for a double sided fireplace or two sided fireplace like a see through fireplace or a peninsula fireplace! The innovative designs are made possible by better venting techniques and a range of fuel options.

    Napoleon outdoor see-through gas fireplace

    A see-through fireplace is a two-for-one deal. Also known as double-sided or peninsula fireplaces, the design allows you to enjoy the fire from different angles. Available in both indoor and outdoor models, you can install a multi-sided fireplace as the focal point of more than one room.

    It also helps to visually anchor living spaces in modern open-concept homes. A peninsula fireplace built into a half or full-height pillar creates a subtle room division without sacrificing the open layout.

    In case you're wondering, you're not limited to gas fuel. Although propane and natural gas are a popular choice, there are also wood-burning and ethanol models. And of course, the ever-versatile electric option!

    Ready to start exploring the possibilities? Here's the rundown on multi-sided fireplaces. You'll find information on the different categories available and the things you should consider when buying. There are also sections on brand recommendations and maintenance tips.

    What is a See-Through Fireplace?

    A see-through fireplace has more than one viewing angle. Peninsula models have three viewing sides (front, back, and one side). A two-sided fireplace has a very similar design, except that they only have an open front and back. Multi-sided fireplaces are often installed as built-in models between two living spaces.

    Napoleon see-through peninsula gas fireplace

    You can even install some see-through fireplaces on an exterior wall. That way the fire can be enjoyed from both the interior room and the outdoor space.

    Choose between vented and vent-free options to suit your installation needs. Many models are approved for bathrooms, bedrooms, and even mobile homes. Note that many ethanol-fueled models are freestanding, encased by stainless steel framing and ceramic glass for optimal viewing.

    What You Should Know Before You Buy

    As with any fireplace, you'll need to make sure the model you choose is safe for the space you wish to install. Plan out the installation ahead of time and check that the fireplace is approved for your home. (Rules and restrictions vary depending on where you live, so check your local codes.) The goal is to avoid the 5 Biggest Mistakes Made When Purchasing a Fireplace. And if you're planning on installing the unit yourself, we strongly urge you to read our Ultimate DIY Guide written by expert installers.

    Measuring a wall with a tape measure

    Vent-free gas models have space and elevation restrictions to protect oxygen supply and air quality. The vent-free gas fireplaces burn so efficiently that the minimal byproduct is vented directly into the room and room air is used to supply the flames.

    As long as you have enough space and ventilation, this minimal exhaust is hardly noticeable. However, people with air-sensitivities like asthma or bronchitis may want to steer clear of these models.

    In general, the elevation restrictions apply to elevations higher than 4,500 feet above sea level. The space restrictions usually pertain to areas less than 50 cubic feet. As a rule of thumb, take the area of the room (width x length x height) and multiply by 20. The resulting number is the approximate BTU limit for a vent-free fireplace in that space. For example 50 cubic feet x 20 = 1,000. This gives you a guideline of no more than 1,000 BTUs for the 50 cubic foot room.

    Before you purchase a vent-free gas appliance, check that they are allowed by your state or local authorities. Some areas restrict or completely ban vent-free gas fireplaces.

    If you're interested in installing a new gas fireplace (either vented or vent-free), hire a plumber to inspect the desired location. If a new gas line needs to be run, it's nice to have a quote for what the new line would cost before committing to the project.

    Types of See-Through Peninsula Fireplaces

    See-through fireplaces are categorized by fuel options and vent systems. The fuel can be wood, gas, ethanol, or electricity. The venting system depends on the fuel used and comes in b-vent, direct vent, chimney, and vent-free models. Once you decide where you want to put the fireplace, you can choose fuel and vent options that suit the location.

    B-Vent

    B-vent units (like this double-sided fireplace from Superior) use vertical vent pipe similar to wood stove venting. These models score high from an aesthetic perspective. The vertical outdoor vent allows for excellent flame quality. The smaller vent size also makes for a relatively simple installation.

    Superior direct vent see-through gas fireplace

    The main drawback is the lack of heating efficiency. Although they offer cozy radiant heat (meaning the seat next to the fire is warm), the overall heating capability is less than direct-vent models. They also require vertical venting through the roof (which could be a hassle) and are limited to indoor use only.

    Direct Vent

    Direct vent units are the reigning monarchs when it comes to popularity, heating efficiency, and versatility. The units are completely sealed and all of the air exchange happens through the special vent pipe. The design is efficient enough to provide substantial heat. It also offers pristine air quality since none of the room air is used for combustion.

    Superior direct vent see-through peninsula gas fireplace

    Unlike b-vent, a direct vent can be routed both horizontally and vertically. This makes it easier to plan around existing structures in the house. They come in a range of styles and many models are suitable for bedrooms, bathrooms, and mobile homes.

    The downsides are that direct-vent models are more expensive to install than vent-free units. They are also so good at heating that it's possible to overheat a small room. Pay attention to BTU recommendations and go for low BTU models if you live in a warm climate.

    Vent-Free Gas Models

    Vent-free models are by far the easiest to install. As the name implies, they don't require you to route any venting. As a result, the installation possibilities are nearly endless. They also come in multiple fuel options. Choose from gas (natural or propane), electric, or ethanol.

    Napoleon High-Definition See-Through Gas Fireplace

    Gas-fueled vent-free fireplaces offer heat and flames without the hassle of a vent. Instead, they burn fuel so efficiently that they can safely vent directly into the room. This also adds a little moisture to the air to help counteract the effects of dry heat.

    The gas models are subject to some regulations and restrictions. Check out the section above on "What You Should Know Before You Buy" for a summary of the common restrictions. You can also go here for more in-depth information about vent-free fireplaces.

    Electric Models

    Electric models are the most versatile option and the only requirement is an adequate electrical source. Usually, this requires a dedicated 120-volt or 240-volt circuit. As long as they are protected from water, the electric models are suitable for almost any installation imaginable. Some units even have special weather-proofing for outdoor use.

    Napoleon Electric See-Through Fireplace

    In addition to the versatility, electric fireplaces come with lots of tech options. Many models allow you to adjust the lighting, color, flame height and heat settings with the push of a button (or even from your phone!) The optional heating element functions as a space heater - adding a little extra warmth, but not enough to provide substantial heat to the home.

    The main complaint when it comes to electric fireplaces is flame quality. After all, the flames aren't "real" flames. But, visual technology has come a long way since the early days of painfully fake yellow flames. Check out the selection of what's available before you discount the visual quality!

    Vent-Free Ethanol Models

    Ethanol models may be wall-mounted or free-standing. This makes them exceptionally easy to install (and also portable!) The ethanol fuel comes from renewable resources and burns cleanly without any odor or smoke particles. It's a nice way to enjoy real, vibrant flames and maintain pristine air quality.

    The heat output is either a drawback or an advantage depending on your situation. Ethanol models have a low BTU output. This means they can be installed closer to combustible material and will not easily overwhelm a room with heat. On the other hand, if you need a supplemental heat source, ethanol models are not ideal.

    Their fuel is also less common than gas or wood. However, there are still plenty of sources and you can also purchase fuel online.

    Wood Burning Models

    Traditional chimney-vented fireplaces have fewer multi-sided options, but they do provide the most authentic flames. Suitable for both indoors and outdoors, they are a great choice for homes with functional chimneys. The fireplaces burn wood fuel, but you can retrofit them with gas logs if you add a gas line.

    Wood-burning see-through fireplace

    The downsides to a charming wood fire are the lower heat efficiency and extra maintenance. Unlike gas or electric fireplaces, you'll need to build, light, and maintain each fire and clean up the ash afterward.

    Leading Brands

    • Bio Flame — Bio Flame pioneered the development of clean-burning ethanol fireplaces. They are the only ethanol fireplace manufacturer that is both UL and ULC certified (a rigorous third-party testing certification).
    • Napoleon — Napoleon traces its roots to a 1976 Ontario steel company. Through innovation and design, they have become a leader in the fireplace industry. Their products include a quality selection of gas and electric see-through fireplaces.
    • Superior — In addition to a wide range of fireplace products, Superior offers lovely multi-sided gas fireplaces. You can even select different fireplace liner options to complement your decor.
    • Kingsman — Back in 1983, the founder of Kingsman couldn't display his products at the Hearth Products Association show because gas models weren't yet allowed. Now that the innovation of gas fireplaces has taken the market by storm, Kingsman continues to manufacture high-quality gas appliances for your home.
    • Majestic — Started as a cast-iron furnace company in 1894, Majestic went on to pioneer innovative fireplace design (including the first zero-clearance fireplace in 1954). Today, they're well known for their durable, quality products. They have a selection of see-through fireplaces in both wood and gas fuel options.

    Care and Maintenance 

    Care and maintenance routines vary depending on the type of fuel you use. Maintenance requirements range from the super low-key electric models to the more labor-intensive wood burning fireplaces. No matter what type you have, be sure to read all of the manual and manufacturer information so you know exactly how to care for your model.

    Vent-Free

    Periodically dust the surface and fan components to keep dust from building up. On electric models, check the cable and outlet to make sure everything is intact. Ethanol models will need the fuel tray taken out and cleaned every 3 to 4 burns. Schedule a yearly inspection for gas models to make sure all the components are safe and functioning.

    Vented Gas

    In addition to basic dusting, you'll also need to inspect the fuel and vent system. Hire a professional to do a yearly inspection of your gas fireplace. You can also check the termination of the vent pipe to make sure it has not been clogged or bent.

    Damaged chimney cap

    Wood-Burning

    Wood burning fireplaces take the most effort when it comes to maintenance. Start by making sure your chimney is drafting properly. You'll also need a chimney cap or similar protection to prevent water and debris from falling down and damaging your fireplace. Burn only the recommended fuel to prevent releasing harmful fumes or causing buildup.

    Follow the instructions for scooping out the ash after each use and periodically look up the chimney to check for buildup. We recommend hiring an inspection of the fireplace and chimney at the start of each burn season.

    Shipping

    Most of the fireplaces mentioned in this article are large enough that they will ship via LTL freight. Only a handful of the smaller, lighter units (such as small electric fireplaces) will ship by normal parcel post. When your scheduled LTL shipment arrives, inspect for any damaged or missing pieces.

    Do not sign off on the delivery if anything is amiss. Instead, contact the manufacturer immediately to report any issues.

    Summary

    Why enjoy a fireplace from just one side? Open up the viewing area and get the most out of those beautiful flames by investing in a see-through fireplace. With two (or even three) glass sides, these fireplace models make a striking design feature. And often for more than one room!

    Ethanol peninsula fireplace

    Once you know your desired location, you can narrow down the fuel and venting options that check all the boxes for your needs. If you happen to have any questions, please reach out! Our NFI Certified Technicians are happy to help!

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    See Through Fireplaces Q&A with the NFI Certified Specialists

    * Please Note: All customer questions are answered by our NFI Certified Specialists free of charge!
    16 Questions & 16 Answers
    Stefanie
    from Clearwater, FL asked:
    November 15, 2020
    Can you convert a peninsula fireplace into a two-way see-through fireplace? In other words, can I close off part side of the fireplace?
    1 Answer
    This is not allowed.
    Submitted by: Will M. on November 16, 2020

    Jo
    from Ashburn, VA asked:
    November 11, 2020
    Is there a see-through fireplace in a wall that is 33 deep?
    1 Answer
    No, none of our see-thru fireplaces would work with such a thick wall. Most models are between 22 and 26 inches deep.
    Submitted by: Tyler M. - NFI Master Hearth Professional on November 12, 2020

    Candace
    from Conway, AR asked:
    June 6, 2020
    What is your largest see thru direct vent indoor to outdoor fireplace?
    1 Answer
    Our largest indoor/outdoor see-thru direct vent fireplace is the Superior DRT63ST model.
    Submitted by: Tyler M. - NFI Master Hearth Professional on June 8, 2020

    Andrea
    from Canada asked:
    March 5, 2020
    Does a 2 sided-corner gas insert exist?
    1 Answer
    That product does not exist yet. You could do a gas log system in the space.
    Submitted by: Brian L. on March 5, 2020

    Lorne
    from Greenwood, IN asked:
    March 2, 2020
    What is the most economical unit you have that is a see-thru vertical fireplace?
    1 Answer
    Here is our 38" Napoleon Vertical Electric Fireplace   We also carry some vent free gas fireplaces by Duluth Forge.
    Submitted by: Kathy O. on March 3, 2020

    Brian
    January 26, 2020
    Do you carry an electric see-thru fireplace that is less than 40 inches wide?
    1 Answer
    The Dimplex Opti-mist Pro 1000 and Pro 500 are the only electric fireplaces smaller than 40". These products are very unique and require a water line to be plumbed to the appliance to operate. The flame feature is created by steam and a light strip. This fireplace has an optional heater. However, the Napoleon Clearion is a good option but unfortunately is 50" wide.
    Submitted by: Brian L. on January 27, 2020

    Joanne S.
    from Columbia, MD asked:
    December 21, 2019
    Do you have electric fireplace logs for a see-through fireplace?


    1 Answer
    Unfortunately, we do not have electric logs for see thru fireplaces.
    Submitted by: Kathy O. on December 23, 2019

    A Skurdal
    from Carolina asked:
    December 16, 2019
    What is your smallest see through fireplace insert?
    1 Answer
    Unfortunately, we do not have any see through fireplace inserts.
    Submitted by: Owen O. on December 17, 2019

    David P.
    from Crown Point, IN asked:
    December 11, 2019
    Looking for natural gas, direct vent, a see-through fireplace that has a depth of 32", a width no wider than 42", and a height no taller than 33". Do you have anything?
    1 Answer
    We're sorry, but we do not carry a see through fireplace that will satisfy your dimensions. Most of them are very much narrower than your required depth.
    Submitted by: Cortney O. on December 11, 2019

    Lindsey
    from Bozeman, MT asked:
    November 6, 2019
    Do you have a vent-free propane see-thru model that is 10,000 BTU to allow for bedroom/bathroom installation?
    1 Answer
    No, we do not have any vent-free see-thru options at 10,000 BTU or less or a bedroom.
    Submitted by: Tyler M. - NFI Master Hearth Professional on November 6, 2019

    Danny
    from Petal, MS asked:
    September 19, 2019
    Which wood fireplace would be best for indoor/outdoor use? One side indoor and the other side outdoor.
    1 Answer
    We have two that you could choose from by clicking here but keep in mind that they are not stainless steel and could potentially rust.
    Submitted by: Kathy O. on September 20, 2019

    Kathleen H
    from Grapevine, TX asked:
    June 10, 2018
    Is it possible to eliminate one side of a zero clearance "island" fireplace between a bedroom and bathroom?
    1 Answer
    Unfortunately, because of their configuration, there would not be a way to safely block a side of your unit. I apologize for any inconvenience.
    Submitted by: Brennan W. on June 11, 2018

    Audrey
    from Hilton Head, SC asked:
    February 10, 2018
    We presently have a wood burning peninsula style fireplace. We would like to convert it to a propane with glass. Does it have to be vented or can it be vent free? Someone said there would be a safety issue.
    1 Answer
    For the unit you have you can use either vented or vent free. However, there can be certain local restriction (codes) that may not allow vent free logs in you town/city.
    Submitted by: Owen O. on February 12, 2018

    Jim
    from Evergreen, CO asked:
    November 9, 2017
    I'm designing a new home and would like a "see thru" fireplace between the great room and the master bedroom. Is it possible to have one way glass on both sides so you can't see through it in both rooms and enjoy the same fireplace?
    1 Answer
    That's a great idea. Unfortunately, though, such a thing does not currently exist on the market. Theoretically, you could install the fireplace and then source the one-way glass locally. But, you'd have to be sure and acquire glass that is tempered or ceramic in construction and able to withstand the heat of the fireplace.
    Submitted by: Kevin E. on November 9, 2017

    Sara
    from O'Fallon, IL asked:
    October 30, 2017
    We are making plans to build a new home. I am looking for a 2-sided fireplace that can be used in my family room on one side and allow access to it for use on my covered deck on the other side. Do you make such a fireplace?
    1 Answer
    We do indeed. The fireplace linked below can utilize a see through kit as well as an outdoor sided kit that would allow for your installation: Superior 43" Linear Direct Vent Single-Sided Or See-Thru Fireplace - DRL4543TE
    Submitted by: Brennan W. on November 3, 2017

    Antoni
    from Maryland asked:
    October 16, 2013
    Does a 3 sided fireplace have blowers to heat a room?
    1 Answer
    The wood burning peninsula style fireplaces provide some heat to the space, but are not nearly as efficient as our Vail Premium Vent-Free Natural Gas Peninsula Fireplace or our Empire Tahoe Premium Direct Vent Natural Gas Peninsula Fireplace. Either the direct vent Tahoe, or the vent free Vail will provide substantial heat to the space.
    Submitted by: Chris on October 16, 2013

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