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Most Efficient Heater for Garage of 2024: Top 5 Picks

By Eugene WilliamsLast update: 2024-12-10

A garage is one of the places that can easily have freezingly cold in winter. Thus, it’s vital to invest in a heater once you have transformed this place into your working station. This article helps you pick up the most efficient heater for garage that provides you with great warmth without raising your electricity bill.

As the name suggested, all of the electric heaters work using electricity.

Here are the most efficient heaters for garage you can buy in 2024:

  • Quiet (Electric Heater): Dr Infrared
  • Compact (Electric Heater): ISILER
  • Best For Small Area (Propane/Gas Heater): Mr. Heater F232017 MH9BXRV
  • Best For Large Garage (Propane/Gas Heater): DeWALT DXH70CFAV Cordless Forced Air Propane Heater
  • Easy To Set Up (Propane/Gas Heater): Gasland MHA18BN
5 Most Efficient Heaters for Garage
Quiet
Dr Infrared
  • Electric Heater
Compact
ISILER
  • Electric Heater
Best For Small Area
Mr. Heater F232017 MH9BXRV
  • Propane/Gas Heater
Best For Large Garage
DeWALT DXH70CFAV Cordless Forced Air Propane Heater
  • Propane/Gas Heater
Easy To Set Up
Gasland MHA18BN
  • Propane/Gas Heater

Quiet: Dr Infrared

Dr Infrared
Dr Infrared
Pros
  • Attractive housing
  • Intuitive control
  • Nice to touch the remote
Cons
  • Small size

According to experts, 35 dB of sound is a very low level of noise. This infrared electric heater doesn’t have any moving parts like a fan, so it won’t produce uncomfortable and unwanted noise. Instead, its high-pressure low noise blower just creates a super quiet noise level at 39 dB, which even won’t badly influence your sleep.

Many people think that a quiet machine can’t provide enough heat to warm a large garage, right? With 1500-Watt, you can thoroughly heat a big room with less energy thanks to the auto energy-saving feature.

Dr Infrared Specifications

Dimension

13 x 12.5 x 17 inches

Wattage

1500

Temperature Setting

50 - 85 degrees

Highlight Features

Auto energy-saving feature
Tip-over and overheat protection

Infrared quartz tube and 12hr automatic shut-off timer

IR Remote Control

High-Pressure Low Noise Blower

Verdict

Dr Infrared electric heater won’t produce a high noise level, affecting other people near your place.

Compact: ISILER

Pros
  • Low noise
  • Well-made
  • Pretty yellow colour
Cons
  • Manually turn the machine off

As you see in the product picture, ISILER electric heater has a compact and portable design, so you can carry it everywhere by holding its carrying handle easily.

DON’T LET ITS SIZE FOOL YOU. In spite of small design, this machine features 1500w of power, offering an excellent heating performance.

Although its compact model can’t catch your significant attention when putting on the floor, leading to trip on it straightforwardly, you don’t have to be worried about fire issues. This product is made from fire-retardant material; especially its self-regulating element, can keep the model from overheating. Furthermore, its tip-over protection can automatically shut off the machine when someone knocks over it.

ISILER Specifications

Dimension

7 x 6.7 x 6 inches

Wattage

1500W

Temperature Setting

41 °F-95 °F

Highlight Features

fire-retardant materials
a self-regulating element

automatic overheating protection

Verdict

ISILER electric heater has a small and compact design, but it is very efficient with safety features.

These types of heaters use cheaper fuel than electricity, including propane and gas.

Best For Small Area: Mr. Heater F232017 MH9BXRV

Mr. Heater F232017 MH9BXRV
Mr. Heater F232017 MH9BXRV
Pros
  • Super easy to operate
  • Efficient
  • Well-designed
Cons
  • Odour

Though propane and gas are cheaper than the electricity required to produce the same heat, there is no need to waste your money and fuel using a large heater for a small room. If your garage is under 225 square feet, it’s perfect to use this Mr. Heater F232017 MH9BXRV that provides you with 4000 - 9000 BTUs.

Mr. Heater F232017 MH9BXRV Specifications

Heat Output

4,000 - 9,000-BTUs

Warm Area

225 square feet

Highlight Features

Auto shut-off function

Fold-down handle

swivel-out regulator

Verdict

Mr. Heater F232017 MH9BXRV Propane/Gas Heater is powerful enough to warm a small garage.

Best For Large Garage: DeWALT DXH70CFAV Cordless Forced Air Propane Heater

DeWALT DXH70CFAV Cordless Forced Air Propane Heater
DeWALT DXH70CFAV Cordless Forced Air Propane Heater
Pros
  • Quiet
  • Portable
  • Easy to use
  • Straightforward to transport
Cons
  • Hard to use the lighting system

For a large garage, use a heater that is powerful enough to fill this whole large space with warmth. If running a small model, you may still feel cold or your garage has warm spots and cold spots in different areas.

Instead, choose the DeWALT DXH70CFAV Cordless Forced Air Propane Heater that has up to 68,000 BTUs to warm a large space.

DeWALT DXH70CFAV Cordless Forced Air Propane Heater Specifications

Heat Output

68.000 BTUs

Warm Area

100 sq ft

Highlight Features

Electrostatic powder-coat housing

Quiet Burner Technology

High temperature limit switch

Verdict

The DeWALT DXH70CFAV Cordless Forced Air Propane Heater can provide your large space with enough warmth.

Easy To Set Up: Gasland MHA18BN

Gasland MHA18BN
Gasland MHA18BN
Pros
  • Useful information in the instruction
  • Easy to store, use, and operate
Cons
  • Not safe when using inside your house

Some garage heaters require a professional installation while other simpler designs need you to spend a lot of your valuable time setting them up.

What should you do if you don’t have much time for this task?

The Gasland MHA18BN is your solution because it is effortless to install. You only need to install the back when putting the propane tank.

Despite a simple and easy-to-install unit, this machine is very functional with safety features. For instance, its tip-over and low oxygen shut-off features will automatically turn off your heater when someone accidentally tips it over.

Gasland MHA18BN Specifications

Dimension

15 x 17.5 x 21.7 inch

Heat Output

6000/12000/18000 btu

Warm Area

450 sq. ft

Highlight Features

Tip-over and low oxygen shut-off protection

The built-in rolling wheels

Easy-Carry handle

Verdict

Gasland MHA18BN propane/gas heater doesn’t take plenty of your time and effort to set it up.

How To Choose The Most Efficient Heater for Garage?

After answering 4 questions below, you will know which one is your appropriate choice:

What Is The Ideal Size Of A Heater For A Garage?

The size respects the heating capacity. If you don’t want to spend plenty of money on heating costs, it’s better to invest in a gas-powered heater that features a higher level of heating capacity compared to an electric heater.

No matter which size you choose, ensure that it suits your garage. In case you use a too small model in a large place, there will be some cold spots. On the contrary, a small garage doesn’t require a large heater, providing excess heating capacity. This is just a waste of money and power.

How Can A Heater Control?

An efficient heater should have a high level of control that can maximize efficiency. Specifically, this feature allows you to change the heater’s heating levels and determine when it is on or off, so you can minimize your fuel and power wastage.

In my opinion, you should choose a heater with advanced control features that allow you to regulate the temperature as well as the overall operation.

Below is another feature, which helps you use your heater more efficient:

Some models come with inbuilt fans and louvres to improve the performance. The louvres will change to direct the heat to a specific area. This feature is handy to offer warmth in a big space like a garage and workshop.

Do You Need A Heater With Safety Features?

You should expect these safety features, which help you not only decrease the risk of unwanted accidents but also improve the overall usability, especially it maximizes the level of efficient use.

If this is what you are looking for, you should consider an electric machine with some inbuilt safety features. For example, when your electric heater gets tipped over, it will automatically shut off.

In case you love using a heater, burning natural gas or propane, I recommend units with the oxygen deficiency sensor. These models will automatically go off when the oxygen level goes down to a very low level.

Which Type Of Heater Is More Efficient?

This article will write about 2 types of heaters: the electric heater and propane/gas heater. So, you might wonder which one is more efficient. Now, let’s discover the answer:

Compared to the electric heaters, the gas-powered models tend to be more cost-effective. Natural gas and propane are cheaper than the electricity required to create the same heat. However, you need to spend more money to buy a gas-powered heater; especially it requires a licensed professional.

Which Brands Make The Most Efficient Heater for Garage?

Without much information and knowledge about garage heaters, you want to buy a model based on the companies’ reputation and trustworthiness, right? If so, you can believe in 2 well-known brands below:

Mr. Heater

As the name suggested, Mr. Heater brand specializes in heaters. You’ve probably heard some famous and popular products, such as fishing, camping, and hunting heaters, vent free heaters, garage heaters, golf cart heaters, Buddy heaters, and forced air heaters.

Dyna-Glo

In fact, Dyna-Glo is a part of GHP Group Inc company that sells different products, but they are famous for high-quality heaters, fireplaces, and grills.

FAQs

How many BTUs do I need to heat a 24x24 garage?

In the event of a forced-air heater, here is the rule:

A two- to 2-1/2 car garage requires 45000 BTUs.

A three-car garage requires 60000 BTUs.

How can I heat my garage cheaply?

You can install better insulation for your garage windows and door, even weather-stripping exterior doors. This way keeps your garage warmer than the outside very much because it limits heat loss.

Are infrared heaters good for a garage?

Yes.

What size heater do I need for a 2 car garage?

A 2-car garage needs a 3600-7000 W electric heater or a 12000-24000-BTU propane heater/hr.

Can you heat an uninsulated garage?

Yes. An uninsulated garage requires you to apply more effort because it’s very easy to lose the heat.

Conclusion

The most efficient heater for garage can keep you warm to comfortably perform your project without increasing your electricity bills. But, the key is to choose one that can meet your requirement. For example, a small heater works well for a small garage without wasting your electricity while a big heater is effective on a big garage without leaving any cold spot.

After reading this article, have you chosen an appropriate machine? Don’t forget to let me know your decision and your experience in using your product. I am willing to read your comment and idea in the section below my article.


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