What Is A Wall Furnace? A Comprehensive Guide

Wall furnaces are the way to go. They’re a popular form of gas heater, used for heating smaller spaces and they’re energy-efficient. They draw outdoor air in as fuel, then expel it outside through an exhaust pipe.

Benefits include saving floor space and reducing heating costs. But first, measure the size of your room. You’ll need to get the right unit size, with features like a pilot light or thermostat. Don’t forget to check for gas leaks and debris inside the chamber too.

Wall furnaces are rated for their radiant heat output and low maintenance needs. Get a specialist in to check ducts, burners, and venting regularly, as dust or cloth can block them, which can be dangerous. For optimum warmth, clean them with a vacuum cleaner before use.

So, why settle for one heat source when you can have a whole wall of options? Wall furnaces offer warmth and comfort with limited floor space and avoiding high central heating system costs.

what is a wall furnace

Types of Wall Furnaces

To understand the different types of wall furnaces with gas and electricity options as the sub-sections, I can take a closer look at the benefits of each. 

Gas wall furnaces are great energy-efficient options that help you save money and floor space, heating the room with warm air. However, there are associated risks like gas leaks, carbon monoxide build-up, and the need for proper venting. 

Electric wall furnaces, on the other hand, are easy to install and don’t require combustion fuel sources, but may not be a cost-effective option for larger spaces.

Gas Wall Furnaces

Gas wall heaters are great for keeping your home warm and cozy during the colder months. 

Natural gas or propane is used to generate heat, which is then circulated into the room.

  • These heaters come in various sizes and designs, so they can fit any room size.
  • They’re energy-efficient compared to electric products.
  • Installation is a breeze, no ductwork or extra space needed.
  • Heat is quickly generated within minutes of being turned on.
  • No electricity required for operation during power outages.

Plus, some models come with thermostats that control temperature without manual adjustments.

Believe it or not, gas wall heaters have been around since ancient Greece. Wealthy homes had hypocaust systems under floors and walls that were heated by burning wood. Smoke escaped through chimneys, similar to modern-day furnace venting systems. Upgrade your heating game with electric wall furnaces, stay warm without compromising style.

Electric Wall Furnaces

These wall-mounted electric heating units are powered by electricity. Heat is distributed using force air or convection, depending on the design. Wall furnaces don’t produce carbon monoxide or other emissions like gas furnaces, making them better for indoor air quality.

Electric wall heaters are quiet and have temperature settings that can be adjusted. Efficiency is determined by insulation, ceiling height, and room size. Voltage requirements must be considered before installation. Regular maintenance is a must to prevent dust and improve performance.

Pro Tip: Install a programmable thermostat to regulate peak temps and save energy when you’re not home. If you want extra heat without the extra floor space, wall furnaces are the answer!

Features and Components of Wall Furnaces

To get the most out of your wall furnace, you need to understand the features and components that make it work efficiently. In order to help you with that, I’ll discuss two sub-sections of this topic, Pilot Lights and Burners in Gas Wall Furnaces and Thermostats and Fans in Electric Wall Furnaces. 

Pilot Lights and Burners in Gas Wall Furnaces

Wall furnaces are great for small homes and apartments. Gas flows in through a pipe and is burned in the combustion unit. The pilot system is connected to a gas valve. 

When the thermostat calls for heat, the pilot ignites the burner.

Wall furnaces have several components to ensure efficient heating:

PilotIgnites the main burner
BurnerProduces heat when triggered by the thermostat
ThermocoupleSenses when the pilot light has gone out to shut off gas supply
Gas ValveRegulates flow of gas to ignite pilot light and open burners

Make sure to inspect your furnace regularly for any potential safety hazards. Read your manufacturer’s manual carefully before any maintenance or cleaning. Plus, get your wall furnace a fan and thermostat, they’re the perfect pairing.

Thermostats and Fans in Electric Wall Furnaces

These heating appliances come with different features. There’s thermostats to monitor temperature, and a fan that spreads even heat around the room. Safety features are also included to prevent fire outbreaks due to overheating. Plus, many models have remote controls for user convenience.

Various styles of wall furnaces are available. Surface mounting and recessed into a wall are two options. Maximum efficiency and optimal performance can be achieved if manufacturer’s guidelines are followed when installing or maintaining.

Be cozy and comfy in the cold months by installing an electric wall furnace. It’s like a Lamborghini compared to a bicycle.

Comparing Wall Furnaces with Other Heating Systems

To compare wall furnaces with other heating systems, like central heating and ductless heating, I want to show you the benefits and drawbacks of each. Central heating systems are efficient, but ductless heating systems are very versatile

In this section, we’ll look at both options and highlight their unique features that will help you to make an informed decision when choosing the best heating system for your home.

Comparison With Central Heating Systems

AspectWall FurnaceCentral Heating Systems
InstallationRelatively easy and straightforwardMore complex and requires professional installation
Energy ConsumptionModerate to highVaries depending on the type of central heating system
Heating CapacitySuitable for small areasCapable of heating entire houses or large areas
Heating MethodDirect heatingIndirect heating through ductwork or pipes
ControlIndividual control for each unit or zoneCentralized control over the whole system
Zoning CapabilityLimited to specific areasCan be divided into multiple zones for customized temperature
MaintenanceRegular maintenance requiredRegular maintenance required
Distribution EfficiencyVaries depending on installation and insulationCan provide even heat distribution throughout the entire space
Initial CostGenerally lowerHigher upfront cost due to system complexity and installation requirements
Operating CostCan be higher due to higher energy consumptionCan be lower, especially with energy-efficient systems and proper insulation
FlexibilitySuitable for specific areas and smaller spacesSuitable for heating entire houses or multiple zones

Comparison With Ductless Heating Systems

AspectWall FurnaceDuctless Heating Systems
InstallationRelatively easy and straightforwardRequires professional installation
Energy ConsumptionModerate to highLow to moderate
Heating CapacitySuitable for small areasSuitable for various areas
Heating MethodDirect heatingIndirect heating through refrigerant
ControlIndividual control for each unit or zoneIndividual room control
Zoning CapabilityLimited to specific areasNo ductwork, independent room control
MaintenanceRegular maintenance requiredLow maintenance required
Distribution EfficiencyVaries depending on installation and insulationEven heat distribution
Initial CostGenerally lowerVaries
Operating CostCan be higher due to higher Energy ConsumptionLow to moderate
FlexibilitySuitable for specific areas and smaller spacesSuitable for various areas

Benefits of Wall Furnaces for Home Heating

To maximize the benefits of wall furnaces for home heating with energy efficiency, cost-effectiveness, and space-saving design in mind, let’s take a closer look at the advantages that each of these sub-sections offers

Firstly, we’ll explore how wall furnaces can offer significant energy savings. Secondly, we’ll explain the cost-effectiveness of wall furnaces and how they can help reduce heating costs. Finally, we’ll describe how compact design of wall furnace can help save space in both small and large homes.

Energy Efficiency of Wall Furnaces

Wall Furnaces ia an Ideal Home Heating Solution for Energy Conservation. Modern homes need efficient heating systems. Wall furnaces are a great choice. They provide undisturbed heat.

The electric-powered wall furnaces have the highest energy efficiency, Up to 100% AFUE rating.

Homeowners don’t have to worry about utility bills. These systems use less fuel. Plus, they don’t require ductworks like traditional HVAC systems.

To improve energy efficiency, consider upgrading insulation and sealing any air leaks in windows and doors. This keeps your home’s temperature stable while using less energy.

Forget fireplaces. Wall furnaces save money and still keep you warm.

Cost-effectiveness of Wall Furnaces

Wall furnaces are a cost-effective option for home heating with lots of benefits. They are efficient and can easily heat up individual rooms, rather than the whole house. 

Let’s explore how wall furnaces can help save money on energy bills.

Lower Initial CostWall furnaces have a lower initial cost than traditional central heating systems. This means big savings upfront, great for those on a budget
Energy EfficiencyWall furnaces are energy-efficient and can reduce a home’s energy consumption. Plus, they let you heat only the rooms that need it.
Lower Operation and Maintenance CostsWall furnaces have lower operation and maintenance costs than central heating systems. No complex installations or ductwork required, so maintenance is minimal. A great long-term cost-saving solution.

Wall furnaces don’t just save money, they have convenience and flexibility too. Automatic shut-off switches and built-in thermostats ensure safety and efficiency. Plus, they are super space-saving and can warm up your place, no bulky fireplace needed.

Space-saving Design of Wall Furnaces

Wall furnaces are a great choice for heating, due to their space-saving advantages. 

Here’s why they’re so beneficial:

  • They take up less floor space than traditional heating systems.
  • Their compact design allows for flexible installation and easy integration into existing homes.
  • No ductwork needed, allowing them to fit in smaller or hard-to-reach areas.

Plus, they have some unique features like automated temperature control, quiet operation, and increased energy efficiency.

A homeowner told us about her experience with a wall furnace. It freed up living space and reduced heating costs. She was then able to invest the money into other home improvement projects, increasing her property’s value. Wall furnaces give you style and functionality at an affordable price.

Risks and Maintenance of Wall Furnaces

To ensure the safe and efficient operation of your wall furnace, it’s important to be aware of the potential risks and maintenance requirements

Gas leaks and carbon monoxide risks pose a serious threat, while regular cleaning and maintenance checks are necessary to keep your wall furnace running smoothly. 

Gas Leaks and Carbon Monoxide Risks

Wall furnaces can heat your home, but also come with potential risks. Gas leaks and carbon monoxide poisoning can be life-threatening. Corrosion, cracks, or damage to pipelines can cause gas leaks. CO poisoning is caused by incomplete combustion or poor ventilation.

To avoid these risks:

  • Maintain wall furnaces properly.
  • Comply with safety regulations.
  • Hire certified technicians for installation.
  • Ventilate the area.

Gas leaks and carbon monoxide poisoning are serious threats. Take the right measurements and keep your family safe. Cleaning wall furnaces is a necessary evil, so do it for your own wellbeing.

Maintenance and Cleaning of Wall Furnaces

Keep your wall furnaces well-maintained and clean. 

Here’s a 6-step guide to follow:

  1. Cut off power and gas source.
  2. Unscrew or press clips to remove front cover.
  3. Use a soft brush or air canister to clean burners, pilot assemblies, and fan blades.
  4. Clean or exchange filters to avoid dust buildup.
  5. Check for clogged vents, flues, and chimneys.
  6. Inspect pressure switches, thermostats, and ignition systems.

Also, look for any cracks on the furnace housing or heat exchanger. Not maintaining your wall furnace can cause carbon monoxide poisoning or fire.

According to NFPA, wall furnaces are a leading cause of home heating fires in America. So, maintenance is key to keep your wall furnace efficient and safe. Don’t let installation scare you, just be sure to take precautionary steps.

Installation of Wall Furnaces

To install a wall furnace with venting or ventless gas options, and chamber and exhaust installations for gas wall furnaces, you must follow proper instructions to ensure safety and energy efficiency

Venting and Ventless Gas Wall Furnaces

Gas wall furnaces are a great heating option, with both venting and ventless options. Here’s the lowdown:

  • Venting Gas Wall Furnaces: Need a flue or chimney. Single or double wall vents depending on placement.
  • Ventless Gas Wall Furnaces: No external ventilation. Easy to install. But, make sure the room is the right size and has proper ventilation.
  • Cost Considerations: Ventless models may be cheaper. But operating costs over time should be factored in.
  • Safety Features: Oxygen depletion sensors and auto shut-off switches. Ensure it meets safety standards.

Weigh the pros and cons. Pick the right one for you.

But remember: installing a gas wall furnace isn’t always straightforward. Fitting a chamber and exhaust? That’s when it gets tricky. Get professional help. Don’t compromise on safety. Call now.

Chamber and Exhaust Installations for Gas Wall Furnaces

Follow these 6-step guide to properly install your gas wall furnace.

  1. Choose the right spot for the furnace.
  2. Prepare the wall for fitting.
  3. Install the chamber, following manufacturer instructions.
  4. Securely attach the exhaust vent flue pipe.
  5. Connect the gas supply, according to local regulations.
  6. Test for leaks or faults before using.

Remember to keep the heat exchanger away from any combustible materials. It is best to have a professional gas fitter do the task, as they can obtain necessary permits.

Also, check if a carbon monoxide detector is necessary and flush out all air before lighting up the furnace. Improper installation may lead to fire or CO poisoning. So, get help from licensed professionals to make sure your chamber and exhaust are fitted correctly. Who needs a fireplace when you can have a wall furnace? It’s like a warm hug from a robot.


Wall furnaces are a popular home heating choice. We’ll look at the pros and cons. It is efficient for small homes, saves floor space, radiant heat and it has some disadvantages too such as potential gas leaks, risk of CO poisoning.  So, remember to keep vents clean for safety. Ventless gas heaters should not be used inside, as combustion gases can be released into rooms.