Homemade Wood Burning Garage Heater – Everything You Need To Know

You may need to spend several hours at your garage to fix the vehicle or deal with the tools. If it’s a heavy cold out there, what’s the best way to confront it? A homemade wood burning garage heater can be your pick at that moment without any doubt.  

From a homemade garage heater, you can receive a sufficient amount of heat while working. It doesn’t require a lot of fuel to produce the desired heat. Besides, you can easily prepare it sitting in the house by following some easy steps. 

After knowing the prime benefits of using this kind of heater, you must want to try this at once. This heater isn’t risky at all and keeps you warm for a long time. Since it’ll be made from various scrap items, you can save a lot of money.

What are the benefits of homemade wood burning garage heaters?

Some of the top advantages of using a homemade wood burning garage heater are depicted below.


A homemade wood burning heater produces some fumes which aren’t eco-friendly behaviors. Except for that, this heater is eco-friendly at its best. As they use woods as their prime fuel, they’re completely safe for the environment. 

Low CO2 production

The wood used as the fuel in the garage heater is an example of renewable energy. Burning woods produces 0.008 kg of CO2 per kWh whereas 0.198 kg CO2 is produced by the gas. Besides, the heater runs on electricity and produces 0.517 kg of CO2. 

Homemade Wood Burning Garage Heater

Gratifying efficiency

Wood burning heaters offer more than 80% of the efficiency while producing heat. An open fire system loses up to 80% of heat which is not efficient at all.

Saves money 

You don’t need to pay for the setup or purchase any parts. It’s all about investing some time and hard work to assemble various scraps. Without spending a penny, you can get desired heat inside your garage. 

No major maintenance

Homemade wood burning heater requires minimum maintenance. All you need to do, dispose of the ash and put new woods. As you’re not using any chimney, you don’t need to care about it. 

How to make a homemade wood burning garage heater? 

Let’s learn how to make a homemade wood burning garage heater step by step. 

Step:1- Assembling necessary tools

  • You’ll need an old gas cylinder in empty condition first. Make several holes with the welding machine and enter water inside it. It’ll make the cylinder neat and clean. Repeat this process for a few weeks.
  • Then, other necessary tools should be gathered together. They are: hammer, nut, metal sheets, safety gloves, safety glass, hack saw, etc.

Step:2- Making the heater door

  • Using the hack saw, cut the metal sheet to prepare the heater door. The sizing will depend on your convenience and the cylinder size. 
  • Now, remove rust from the heater door as well as the cylinder. Using sand, you can dispose of a huge amount of rust.
Homemade Wood Burning Garage Heater

Step:3- Making the door handle

  • Take a big nut and weld another tiny nut inside it. It’ll easily fit onto the threaded rod. 
  • Now, cut the straps from the scrap metal bits with a hack saw in 45-degree at the edges. Then, attach them with the nuts and weld them perfectly. 

Step:4- Welding to make vent holes

  • Using the welding machine, drill 6-7 holes at the bottom of the cylinder. Before that, apply a metal brush disc there to remove rust properly. 
  • The holes shouldn’t either be big or very little. Make sure that all the holes are perfectly sized. If any of them are unusual, drill the holes once more. 

Step:5- Securing base and painting

  • To secure the base, you need to create a hole into the cylinder base. Drill a hole at the center of the metal strap which should be made of an extra grinder key. If you have a better raw material idea, feel free to try that.
  • Painting isn’t an essential part but it increases visual aestheticism. To paint on the wood-burning heater, spray the desired paint precisely. 
  • After applying the first coat of paint, you should let the paint dry for several hours. Then, apply the final coat of the paint to make the finishing enchanting. 

Step:6- Making the flue pipe

  • You need a flue with a bigger diameter to dispose of the produced smoke. Take a box iron from the metal heaf board frame. 
  • Now, drill holes in the cylinder for installing flue pipe. After that, cut the small part of the metal board in 45-degree and weld the longer part with it. That’s how you can prepare the flue pipe. 

Hence, your homemade wood burning heater is prepared and ready to serve the warmness.

Homemade Wood Burning Garage Heater

How to use a homemade wood burning garage heater?

Putting woods and firing them is all about following some straightforward steps. This is how you can use a homemade garage heater:

  • Cut the woods in the convenient shape of your heater. It shouldn’t be longer than 5 inches in diameter. 
  • Now, place a layer of medium-sized woods at the top of the regular woods. It should be placed in a crisscross position. 
  • It’s time to set fine kindling at the top of the logs. Usually, it’s the best move to use wood splits for better firing. You can also use small papers along with the wood splits.
  • The last move is to apply fire using a burner or lighter. It’s just a matter of time to burn all of the woods and produce the desired heat. 

Which is better? Homemade wood burning garage heater or bought heater?

Let’s understand the differences between homemade wood burning garage heater and bought heater. It’ll help you to determine which one should be your preference. 

Homemade wood burning garage heaterBought garage heater
This kind of heater doesn’t require extreme maintenance. You just need to remove the trash of the burnt woods and replace the new woods. Any kind of purchased heater requires extra maintenance. You need to maintain the chimney to ensure safe disposing of the smoke. 
Homemade garage heaters use woods as their fuel. So, it’s friendly to the user with respect to saving electricity or gas. The bought heaters run on electricity or gas. So, you need to spend some extra money here as they’re expensive than woods. 
As this type of heater comes with the flue pipe, it can’t remove the smoke perfectly. This kind of heater removes the produced smoke more perfectly. 
This type of heater is customizable in your preferred color. But, you can’t bring the desired finish to the heater’s body. A bough heater comes with incredible finishing. However, you rarely have an option to customize it in your desired painting. 


Here are some common questions related to homemade wood burning garage heaters. 

Can you put a wood burner in a garage?

To save you from extreme cold weather, you can put a wood burner in a garage. It’ll provide you with sufficient heat continuously and keep you warm. Using a wood burner requires low cost as well as it’s not harmful to the environment. 

What is the most efficient way to heat a garage?

Installing a low-intensity infrared heater is the most efficient way to heat a garage. It radiates heat properly and doesn’t waste heat unnecessarily. Though it’s slightly expensive, it’ll provide you with better output than other heaters. 

Do wood-burning stoves need a chimney?

Wood-burning stoves don’t require a chimney every time. Instead of this, you can install a twin  flue system that will cover the work of a chimney. In this way, you can save some extra money.


Now, you have an alternative to a regular burning stove in your hands. A homemade wood burning garage heater can’t produce heat like a factory-made heater. But, it’ll be sufficient to cover your garage and keep you heated. Moreover, it’s eco-friendly and produces minimum CO2. 

If you’re thinking about minimizing the cost, then don’t think anything except for the homemade option. This option will save your money as well as dedicated maintenance troubles. You may need to purchase some parts to prepare this heater unless you don’t owe them.  

However, by following the mentioned steps above, you can easily make a homemade garage heater. For your convenience, we’ve also discussed its using procedure. Hopefully, you’ll enjoy the warmness of the heater after your first use. 

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