Best Garage Heaters 2021 | Reviews and Buying Guide

Hi, are you looking for an effective and safe way of warming up your garage while working in there? If so, then you need to get a garage heater. During winter temperature usually drops and your garage will be one of the least of the places you will like to be at during that time. So, to avoid this, you can either invest in the best electric heater or the best propane-fueled heater to warm your garage.

Garage heaters are available in different models, shapes, and sizes, but they can either be big heavy-duty heaters or the smaller portable models. The availability of different heater models means different powering options and different performance. The most used model is an electric model followed by fuel-powered models (natural gas, propane, and kerosene), then the infrared models.

It is hard to determine and decide on which garage heaters suits your need. This is simply because of the availability of different types of models. So, because of that, we have chosen to prepare this article to help you in determining the best garage heaters, and also a buying guide on things you should be looking for in a garage heater.

So, without further ado, let’s take a look at our top 6 best heaters of 2021 for your garage that have been examined, verified, and recommended by our senior editors.

Best Garage Heaters Comparison Table

Image Name Voltage Other Details Action
Mr. Heater F232017 MH9BXRV Buddy Grey Indoor-Safe Portable RV Radiant Heater (4,000-9,000-BTU)
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Fahrenheat FUH54 UNIT HEATERS, Beige
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Dr. Heater DR966 240-volt Hardwired Shop Garage Commercial Heater, 3000-watt/6000-watt, DR966 240V
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Fahrenheat Ceiling-Mount Industrial Heater - 7500 Watt, Model# FUH724
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KING KBP2406 KBP Multi-Wattage Compact Unit Heater, 5700W / 240V / 1 Ph
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50k NEW STYLE Hydronic hanging heater, w/CORD, RHEOSTAT & THERMOSTAT!
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Comfort Zone CZ798 5120 BTU Multi-Purpose Utility Heater Fan
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1. Mr. Heater F232017 MH9BXRV Buddy Grey Indoor-Safe Portable RV Radiant Heater (4,000-9,000-BTU)

Mr. Heater F232000 MH9BX Buddy is one of the most popular heaters in North America. It is a propane-fueled heater that is directly connected to 1 lb. Propane tank. It is also an indoor safe propane heater which means it can be used in heating enclosed spaces of up to 235sq. ft. in size without causing any problem. And this is simply because Mr. Heater is a certified clean-burning indoor heater. This garage heater has an auto-shutoff system that works if it’s pilot light goes off, if it detects that it has been tilted over or if it identifies that it is no longer receiving enough oxygen enough to safely burn.


Heats up to 225 square feet space: It is a 4,000- to 9,000-BTU radiant heater that has the ability to produce sufficient heat for 225 sq. ft. Space.

It is an indoor/outdoor user-approved heater: This is because F23200 has a clean-burning ability which suits both indoor and outdoor heating.

Almost 100-percent efficient: This feature makes it operationally reliable heater.

Auto shut-off feature: This feature helps in case of less oxygen within a garage, if the pilot light goes off or in case it is tipped off.

  • Ideal for indoor and outdoor heating, thus providing flexibility to the user.
  • It is a propane-fueled portable heater; hence no need for electricity which means suitable to be used even in places with no electricity.
  • It guarantees high-efficiency performance with its almost 100 % clean operational ability.
  • It has two heat settings –the High and Low.
  • Ideal for warming a small-enclosed room.
  • It has a smaller area heating capacity, therefore, not suitable for heating larger workspaces.

2. Fahrenheat FUH54 UNIT HEATERS, Beige

This heater may seem a bit small, but trust me when I say that Fahrenheat FUH54 UNIT HEATER can generate a lot of heat enough to warm a 500 sq. ft. It is an electric-powered garage heater that produces 2500 to 5000 watt –which is enough to see you through those cold winter days. It is designed to last longer containing a thermostat that allows you to adjusts the output from 45-135 degrees Fahrenheit. This industrial-grade quality heater is also designed with an adjustable free-mounted louver that will help you direct the heat from the heater to wherever you want.

It comes with a built-in mounting bracket that will help you in installing your heater either on the ceiling surface, vertical or horizontal. So, what are the key features for this garage heater?


Industrial-grade build quality: It is a heavy-duty heater suitable for workshops, outside buildings, basements, and garages.

Ceiling mount bracket: This feature helps for an easy vertical or horizontal mounting style.

Builtin adjustable louvers: for directing heat to the desired area.

An automatically shuts off and on feature: which helps in cutting out current in case of overheating. It also restarts the heater after the temperature is back to normal.

  • It is an industrial-grade build quality heater.
  • Can be mounted horizontally or vertically since it comes with mounting brackets.
  • It is a very powerful heater.
  • Allow you to control output direction by suing an adjustable free-mounted louver.
  • IT has an In-built bracket for ceiling mounting.
  • It is a space-safer heater.
  • Has no power settings.
  • It requires a complex electrical installation process.
  • It is not perfect for warming larger spaces since it only suits both small and medium-sized garages.

3. Dr. Heater DR966 240-volt Hardwired Shop Garage Commercial Heater, 3000-watt/6000-watt, DR966 240V

Dr. Heater DR966 is one of those garage heaters that are of affordable budget but still poses higher performance. So if you need an affordable heater that will deliver for your medium or large garage, then this is definitely the best choice for you. It produces 3000-watt to 6000-watt power which makes it suitable for big garages and industrial use.

DR966 can be installed quickly and can either act as an auxiliary or primary heat source for your workshops, garage, factories, warehouses, schools, dorms, hospitals, or churches, etc. This heater provides a uniform heat with guaranteed long-term service by using coiled steel metal sheath electric heating elements to generate heat. DR966 also comes with an in-built adjustable thermostat which permits to set your desired heater performance.


  • It has 5 Adjustable Louvers: These are important in directing the airflow from the heater.
  • 3000 to 6000 watt: It is a heavy-duty heater therefore suitable for warming larger spaces.
  • Designed with an inbuilt thermostat: This is one of the features that are essential when it comes to the controlling amount of heat being produced by the heater.

    Has a sizeable dynamical fan: This feature ensure that the heat produced by heater spreads as far and wide as possible. Pushing/blowing out the heated air, thus facilitating quick air circulation within the workshop or garage.  

    Ceiling mounting bracket: Which helps in installing your heater either in a horizontal or vertical position – (UL/CUL listed wall heater).

    • It is a very affordable heater.
    • Has multiple adjustable louvers.
    • Has wall and ceiling mounting brackets for ease in the installation process.
    • Has a two-setting thermostat -high and low settings.
    • Provides a steady heat supply making it perfect fit for large workspaces -1,000 sq. ft.
    • Despite its excellent performance, this heater lacks an auto-shutoff feature that guarantees safety for users.

    4. Fahrenheat Ceiling-Mount Industrial Heater - 7500 Watt, Model# FUH724

    Fahrenheat Ceiling-Mount Industrial Heater is one of the best large space heaters with high power dissipation ability and it is from Fahrenheat USA.  This electric garage heater is designed to last long and automatically turns on the blower once the desired temperature has been attained. This fan-forced garage heater gives you total control since it has an inbuilt single-pole thermostat which allows you to set your desired temperatures.

    This heater can be installed in any place you want –either basements, garage, stores, warehouses, open areas spaces, or workshops. Since it is a fan-forced heater, it starts by converting electric power into heat within the heating element, and when the heater has attained the desired temperature, it will automatically start circulating the hair until the heating element cools down.


    Has a ceiling mount bracket:  This help in precise positioning inside your workspace, -you can either install this heater horizontally or vertically or any other angle to manage the direction of airflow.

    Single-pole thermostat: While you are working in your garage, you may desire to have certain temperature conditions. Therefore, this feature allows you to set your desired requirements.

    Adjustable Louvers: This feature helps you to control the direction of airflow without changing the angle or positioning of your heater inside your workspace.

    Automatic fun blows: This feature delays the cold air bust up until heating elements reaches the desired heat, then it turns fan on.

    7500 Watt, Model # FUH724: Heavy-duty garage heater that suitable for ample space.

    • Easy installation
    • It is a space-saving heater since it can be mounted anywhere in the ceiling.
    • Gives you the freedom to choose your desired heat setting by using single pole thermostat.
    • Has adjustable louvers for ease management of airflow direction.
    • This garage heater lacks the auto-shutoff protection feature for overheating hence affecting the longevity of the heate

    5. KING KBP2406 KBP Multi-Wattage Compact Unit Heater, 5700W / 240V / 1 Ph

    KING KBP2406 KBP Compact Unit Heater is an entirely US-made electric model heater. This heater works by pulling the air from behind the heater then discharges it out in front; hence heating more space is possible. It is a high-quality heater that is suitable for both commercial and residential application. This heater is also adorned with an accurate inbuilt thermostat and a 3-position switch.

    KBP2406 heater allows you to tailor your specific requirements by selecting the range using a dual Pic-A-Watt steel fin. It is an all year round heater since it designed to offer consort to you from summer to winter with an additional option to only turn the fan on during summer.


    Thermostat Control: This feature allows you to choose the desired temperature for your garage.

    Mounting brackets: It has a universal wall and ceiling mounting brackets that allow easy installation process.

    5,700-watt power: A powerful heating ability that can warm a 600 square feet workspace.

    Patented smart-limit protection: Which gives you a peace of mind by automatically shutting off the heater in case of an unusual event.

    Integral fan delay feature: Allows heat dissipation from elements during the period cooling down.

    • Ability to choose the exact temperature that you want for your garage with the aid of thermostat controls.
    • Has a custom design that allows easy installation either on the wall or ceiling.
    • Delivers a 5,700-watt power thus great heating ability for your garage with smart-limit protection.
    • 600 square feet heating capacity.
    • Easy to use, durable, and high-quality heater.
    • Has a -5-year warranty.
    • suitable to be used only in smaller and medium spaces, for bigger spaces you will need more than one to achieve effective heating.
    • Not easy to install due to its complex wiring that requires an expert.

    6. 50k NEW STYLE Hydronic hanging heater, w/CORD, RHEOSTAT & THERMOSTAT!

    This is one of the best and unique heaters that uses water to heat your workspace. 50k NEW STYLE Hydronic hanging heater with 50,000 BTUs or 100 PSI that is suitable for large heating spaces such as greenhouses, warehouses, garages, etc. Both inlet and outlet pipes are strategically placed next to each other at the top of the unit, thus making it more efficient with no air can be trapped within the heater.

    This unit has both thermostat and rheostat that are useful in regulating heating temperature and fan speed, respectively. It is also adorned with an ETL approved programmable Lux Speed Dial Armchair that helps in separating programs for cooling and heating. Its settings range from 45 Degrees F to 90 Degrees F. So, what are the cool features in this garage heater.


    Programmable LuxPro 300 thermostat 5-2 Day: Help in regulating the temperature within your workspace by providing options to choose from (low to high). You can program the temperature to be different during the weekdays.

    Comes with a rheostat: This feature is essential in regulating the ratting speed of a fan.

    Programmable Lux Speed Dial Armchair: This feature helps to separate heating programs and cooling programs.

    • It has a programmable thermostat which allows you to set your desired temperatures differently throughout the week
    • Ability to control fan speed.
    • Comes with a 3-year warranty that covers any production’s flaws and corrosion defects that may arise.
    • It doesn’t have a variable-speed blower.

    7. Comfort Zone CZ798 5120 BTU Multi-Purpose Utility Heater Fan

    ENERGY EFFICIENT: Reduce your heating bills with this safe and durable electric portable heater. Its compact and powerful 1500 Watt performance provides targeted heating in an enclosed garage. 

    POWERFUL SETTINGS: Choose from low and high heat settings on this utility heater and enjoy the convenience of a fan-only setting that eliminates the need for additional appliances.

    ADJUSTABLE THERMOSTAT: It’s easy to find the perfect temperature and take control of your comfort zone with the adjustable rotary thermostat on this compact utility heater.

    SAFETY FIRST: This portable utility heater is equipped with power and caution indicator lights, a tip-over switch and an overheat protection sensor to help ensure safe operation.

    DURABLE AND PORTABLE: The durable stay-cool all-metal housing and oversized carry handle on this portable heater allow for safe and easy transport as needed.


    Product Dimensions: 10.5 x 7.4 x 14.4 inches

    Item Weight: 4.38 pounds

    Manufacturer: World and Main


    Discontinued By Manufacturer: No

    • Easy installation It is a space-saving heater since it can be mounted anywhere in the ceiling.
    • Gives you the freedom to choose your desired heat setting by using single pole thermostat.
    • Electricity issue is available.

    Best Garage Heaters Buying Guide:

    After going through our top six list on some of the current best garage heaters, it is now time for the next step. This step is about knowing what you should be looking for in a garage heater. And since there are a lot of heaters out there, this step will be essential in helping you make the right decision on which is the best heater for your garage or workshop.

    Therefore, it is not hard to pick one that suits your need only if you know what you are looking for in a garage heater. First, we start with types of heaters.

    Types of Garage Heaters

    Before you head into buying any garage heater, first, you should know which kind, model or style do you need that will fit well to your work space. So start by finding types of garage heaters that you can buy and that can fulfill its purpose. It can fan-forced garage heater, Infrared or radiant garage heater or Natural gas, Kerosene, propane or Diesel garage heaters.

    Infrared or Radiant Garage Heaters

    This is a type of garage heaters that works by directing heat to the nearby objects. They produce a more comfortable temperature than fan-forced heaters, but you will need to be close enough to them to enjoy the warmth, unlike fan-forced heaters.

    Fan-Forced Garage Heaters

    It is one of the most popular type of heaters that have an integrated fan and are powered by electricity. The fan-forced garage heaters work by sucking air from behind after the electricity has been converted into heat by the heating elements, and then after the air has been heated the fun also blows out that air out through the front. These heaters produce a lot of heat that quickly warms the garage.

    Diesel, Propane, Natural Gas, or Kerosene Garage Heaters

    This types of garage heaters are powered by fuels instead of electricity. They are portable, heats the work space quit faster since they don’t depend on electricity voltage and are suitable for heating larger spaces.

    Power Rating

    After defining your preferred kind of heater, you will then have to determine the amount of space that needs to be warmed. If it is a small space, then you will need a small heater that can heat 200 to 400 square feet depending on the amount of space in your garage. The same case will apply to medium and large space. You will choose by either having power rating or type of heater as your considerable primary key.

    Safety Features

    This is usually the third and most crucial factor to consider before buying any heater since guaranteeing your safety is an essential thing for a safe and secure environment. Features like automatic shut off due to heater being tipped over, low oxygen in garage or heater overheat should be included. Cool touch heater can be another important feature since it will protect your heater surface from overheating. This feature does not only protect you but also your heater. So, to be sure about protection assurances, you can check online reports for safety information to understand more about that heater.


    If you need a garage heater that you can take it from place to place, then you need to check if it that heater is highly portable. Can you pick it up and move it around with ease? Does it have wheels or casters? –so these are some of the things you should check out first.

    Adjustable features

    Does this or that heater allows you to change heat directly to your preferred direction, or does it allow you to manage fan speed? –This features are crucial because it will help you regulate direction and amount of heat produced by that heater. So be sure to check for features like a thermostat, adjustable lovers, and fan speed control.

    Installation complexity

    Finally, the last but not the least and also an important thing that you should look for in garage heater. This important since it bears the questions –can you install it by yourself or expert is needed? what is the length of power cord length? Many might overlook this, but it is still relevant factor, for instance, about the length of the power cord is essential in that you can install it anywhere within your work space.

    Best Garage Heaters FAQ:

    What is the cheapest way to heat a garage?

    The cheapest way to keep your garage warm is by using a garage heater. It is not only the most inexpensive way but also quick, easy and effective way to ensure that there is no freezing damage that will occur on some of your components. Using electricity heater is relatively cheaper and effective as compared to fuel-powered heaters that may need fuel purchase at all times to work. Before doing this, you should first do garage insulation to make it as sealed as possible then head for a cheap and effective garage heater.

    How do I keep my garage warm in the winter?

    By installing a garage heater, but before you do that, there are must-do things that should be accomplished first. Start by cleaning up your garage to prepare that space for free air circulation and removing cobweb and dust to avoid messy air circulation. Then head to winterizing your garage by doing insulation to seal up any leaks. You can also replace any cracked or broken areas since this will help to limit cold air outside from coming in. While doing insulation ensure you align weather-stripping properly at any to effectively seal opening –mostly in windows and doors. Then head into insulating walls by using fiberglass batt insulation, and you are now set to install your heater.

    How many BTU does it take to heat a 2 car garage?

    How many BTU for a 2 car garage depends on certain variables such as climate zone, your preferred temperature, and off Couse size of your garage. Also, different types of heater matter when it comes to determining the BTU needed to heat your car garage. So for force-fan heaters, you will require 45,000 BTU to heat a 2 car garage. And the low-intensity infrared tube heaters suggest that a 30,000 BTU will be adequate to heat a two-car garage. Therefore, you should note that there are variables to be considered to define BTU fit for your two-car garage.

    Will a 1500-watt heater heat a garage?

    Yes, it will, but it all depends on the size of that particular garage. Since a watt is equal to 1 joule of energy per second, which means 120-volt heaters are rated up to 1500-watt in their maximum settings. Therefore, a 120 volt (1500 watt) heater can effectively heat a 150 to 200 square feet of space and 5,000-watt heater can heat 400 square feet space.

    Where should the heater be placed in garage?

    Heater placement is a significant factor to consider to enjoy its effectiveness. Therefore, you should start by determining the cold corner in your garage, after that, make measurements within that corner from the ceiling to the bottom. Then when mounting it, make sure it is 6-7 feet from the bottom and set it at an angle such that it faces the middle of the garage. This helps in ensuring that there is even distribution of heat. The final and also most important step is to ensure that all combustible materials in your garage are around 3 feet away from the garage heater.

    What is the best electric garage heater?

    The best electric heater is the one that serves your need to the fullest. Despite everyone having different preferences and garage spaces, there are still essential factors that the best electric heater should have. These factors include adjustable features, inbuilt protection features, high and efficient performance, and long-lasting performance. This feature defines whether this or that electric heater is really the best.

    What is the best type of electric heater for a garage?

    There are many different types of electric heaters for a garage. To determine the best, it needs to suits most of the user’s needs, be useful, efficient, and should have safety features. These two are some of the most ranked electric heaters currently –Fahrenheat FUH54 and Dr. Heater DR966.


    Since a garage at most occasions is not recognized as part of the living space constructors will not install heating vents to warm it, so adding heater is the preferable solution by many. Therefore, to do this you should have a primary and clear understanding of things like watts, volts, and BTU or else you will get stuck with heater that produces less heat, or worse, a heater that doesn’t fit your standard two-prolonged outlets.

    Other features you should consider to ensure that you and your garage are safe at all times is by ensuring you get the best garage heaters that will provide you with a variety of safety features regardless of the what type heater it is. Overall, thanks to us because all these factors have been addressed within this article, otherwise thanks for your time.

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