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10 Best Garage Heaters 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

TEMPWARE Electric Garage Heater, 10,000-Watt Digital Fan-Forced Ceiling Mount Shop Heater with Full-Function Remote, 240-Volt Hardwired with 12-Hour Timer, Ideal for Workshop

Rating
9.9
Chosen by1,455
Heating Capacity (BTUs)
Power Source
Type of Heater

Most important from
1690 reviews

Heating Capacity (BTUs)
This unit heats up quickly, blowing nearly 200 degrees within 15 seconds and reaching high 300s in 2 minutes.
Power Source
Running costs are reasonable, with low mode using only 15% less energy than high mode, making high mode more efficient for quick heating.
Type of Heater
This heater is highly recommended by an experienced electrician for its robust build and versatile power settings.
Thermostat Control
The built-in thermostat is not precise, often giving false readings due to its placement.
Installation and Portability
The heater is impressively constructed and surprisingly lightweight for its power output.

The TEMPWARE Electric Garage Heater is an effective option for those looking to heat a large garage or workshop. With a high heating capacity of 34,120 BTUs, it can comfortably heat an area up to 1,500 square feet. It operates on a 240-volt power source and requires hardwired installation, meaning you will need an electrician for safe setup. This unit is designed as a fan-forced heater, which helps distribute warm air evenly throughout the space.

It does not come with a power cord, which might be a minor inconvenience for some users. However, its sturdy, heavy-duty steel construction ensures durability and longevity. Additionally, it includes safety features such as overheat protection and an ETL certification, which is reassuring for safe usage. The built-in thermostat and ECO mode allow for customizable temperature control between 45°F to 95°F, making it energy efficient.

The adjustable louvers and mounting angle enable you to direct warmth where needed. It also includes a 12-hour timer and a remote control, adding convenience. While the hardwired installation can be seen as a drawback, the heater's robust features and safety certifications make it a reliable choice for maintaining a comfortable working environment in your garage or workshop.

Rating
9.9
Chosen by1,455
Heating Capacity (BTUs)
Power Source
Type of Heater

Most important from
1690 reviews

Heating Capacity (BTUs)
This unit heats up quickly, blowing nearly 200 degrees within 15 seconds and reaching high 300s in 2 minutes.
Power Source
Running costs are reasonable, with low mode using only 15% less energy than high mode, making high mode more efficient for quick heating.
Type of Heater
This heater is highly recommended by an experienced electrician for its robust build and versatile power settings.
Thermostat Control
The built-in thermostat is not precise, often giving false readings due to its placement.
Installation and Portability
The heater is impressively constructed and surprisingly lightweight for its power output.
#2

Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater,Black

Rating
9.8
Heating Capacity (BTUs
Thermostat Control
Installation and Portability

Most important from
1471 reviews

Heating Capacity (BTUs
Heats up a 21'x33' garage with 11' ceilings efficiently, reaching a comfortable 70F even on cold days.
Thermostat Control
A WiFi thermostat like the Sensi ST55 enhances convenience, allowing control from your phone and tracking run time.
Installation and Portability
Easy installation, especially with a horizontal venting kit, and significantly cheaper than other HVAC options.

The Mr. Heater F260550 Big Maxx MHU50NG is a robust natural gas unit heater designed to efficiently heat spaces up to 1,250 square feet, making it a strong choice for garages, workshops, or large indoor areas. With a heating capacity of 50,000 BTUs per hour, it delivers significant warmth, ideal for colder climates or uninsulated spaces. One of its standout features is the powered exhaust which allows for flexible venting options, whether vertically or horizontally, enhancing installation versatility.

Safety is prioritized with a high-temperature safety shut-off switch, which adds a layer of protection, especially in enclosed spaces. The heater can also be converted from natural gas to liquid propane, offering greater fuel flexibility. Additionally, it comes with a conversion kit and mounting brackets, making installation easier for homeowners.

There are some considerations to keep in mind. The heater requires a minimum clearance of 8 feet from the floor, which might limit placement options in lower-ceiling garages. Its weight, at 66 pounds, may also complicate installation if you're doing it alone. While this heater is primarily designed for indoor use, it’s important to ensure proper ventilation to avoid safety hazards. The Mr. Heater F260550 is a compelling option for those seeking a powerful and reliable heating solution for their garage or large indoor spaces, as long as they can accommodate its installation requirements.

Rating
9.8
Heating Capacity (BTUs
Thermostat Control
Installation and Portability

Most important from
1471 reviews

Heating Capacity (BTUs
Heats up a 21'x33' garage with 11' ceilings efficiently, reaching a comfortable 70F even on cold days.
Thermostat Control
A WiFi thermostat like the Sensi ST55 enhances convenience, allowing control from your phone and tracking run time.
Installation and Portability
Easy installation, especially with a horizontal venting kit, and significantly cheaper than other HVAC options.
#3

TEMPWARE Electric Garage Heater, 7500-Watt Digital Fan-Forced Ceiling Mount Shop Heater with Full-Function Remote, 240-Volt Hardwired with 12-Hour Timer, Ideal for Workshop

Rating
9.7
Heating Capacity (BTUs)
Power Source
Type of Heater

Most important from
1690 reviews

Heating Capacity (BTUs)
The heater delivers intense heat almost instantly, reaching high temperatures within minutes, making it highly effective for quick warming.
Power Source
Energy consumption is significant, with low power mode only marginally reducing costs compared to high, so running on high often provides better value.
Type of Heater
The unit’s design is compact and lightweight compared to expectations for its wattage, which may surprise some but does not compromise its heating capability.
Safety Features
The heater’s durable steel construction and thoughtful features like a cool-down timer enhance longevity and safety during operation.
Thermostat Control
The built-in thermostat placement leads to inconsistent temperature readings, making it challenging to maintain precise room temperatures without an external controller.
Installation and Portability
Installation requires hardwiring and proper wiring gauge due to high current draw, so professional installation is necessary to ensure safety and optimal performance.

The TEMPWARE Electric Garage Heater is a powerful ceiling-mounted option designed to heat large indoor spaces up to 1,250 square feet. It offers strong heating capacity with up to 25,590 BTUs and adjustable power settings between 6,250 and 7,500 watts, allowing you to customize the heat output depending on your needs. The built-in thermostat lets you control temperatures from 45°F to 95°F, making it easier to maintain a comfortable workshop environment. Safety is well covered with overheating protection and ETL certification, so you can trust it to operate securely. The ECO mode and timer function help save energy by adjusting operation based on the room temperature or turning off automatically after a set time, which is great for efficiency.

This heater requires hardwired installation by a qualified electrician, as it doesn't come with a plug-in cord. This might add to upfront setup costs and reduce portability compared to plug-in models. The durable steel build and adjustable louvers for directing airflow add to its practical design for garage or workshop use. This heater is well suited for users seeking robust, reliable heating for larger indoor spaces and who are comfortable with professional installation. Those preferring a simpler plug-and-play unit or needing portability may want to consider other options.

Rating
9.7
Heating Capacity (BTUs)
Power Source
Type of Heater

Most important from
1690 reviews

Heating Capacity (BTUs)
The heater delivers intense heat almost instantly, reaching high temperatures within minutes, making it highly effective for quick warming.
Power Source
Energy consumption is significant, with low power mode only marginally reducing costs compared to high, so running on high often provides better value.
Type of Heater
The unit’s design is compact and lightweight compared to expectations for its wattage, which may surprise some but does not compromise its heating capability.
Safety Features
The heater’s durable steel construction and thoughtful features like a cool-down timer enhance longevity and safety during operation.
Thermostat Control
The built-in thermostat placement leads to inconsistent temperature readings, making it challenging to maintain precise room temperatures without an external controller.
Installation and Portability
Installation requires hardwiring and proper wiring gauge due to high current draw, so professional installation is necessary to ensure safety and optimal performance.

Buying Guide for the Best Garage Heaters

Choosing the right garage heater can make a significant difference in maintaining a comfortable and functional workspace during colder months. When selecting a garage heater, it's important to consider factors such as the size of your garage, the type of heater, and your specific heating needs. Understanding the key specifications will help you make an informed decision and ensure that you get the best fit for your situation.
Heating Capacity (BTUs)Heating capacity, measured in British Thermal Units (BTUs), indicates the amount of heat a heater can produce. This spec is crucial because it determines how effectively the heater can warm up your garage. To navigate this, consider the size of your garage: small garages (1-1.5 car) typically need 5,000-10,000 BTUs, medium garages (2-3 car) may require 10,000-20,000 BTUs, and large garages (3+ car) might need 20,000+ BTUs. Choose a heater with a BTU rating that matches the size of your garage to ensure efficient heating.
Power SourceGarage heaters can be powered by electricity, natural gas, propane, or kerosene. The power source is important because it affects installation, operating costs, and convenience. Electric heaters are easy to install and use but may have higher operating costs. Natural gas and propane heaters are more cost-effective for larger spaces but require proper ventilation and installation. Kerosene heaters are portable and powerful but can be less convenient due to fuel storage and odor. Choose a power source that aligns with your garage setup and heating preferences.
Type of HeaterThere are several types of garage heaters, including forced-air, infrared, and convection heaters. Forced-air heaters blow warm air to heat the space quickly, making them ideal for larger garages or those needing rapid heating. Infrared heaters warm objects and people directly, providing consistent and efficient heat, suitable for smaller or well-insulated garages. Convection heaters circulate warm air naturally and are best for maintaining a steady temperature in medium-sized garages. Select the type that best matches your heating needs and garage size.
Safety FeaturesSafety features are essential to prevent accidents and ensure safe operation. Look for heaters with features like overheat protection, tip-over switches, and automatic shut-off. Overheat protection turns off the heater if it gets too hot, preventing fires. Tip-over switches shut off the heater if it is knocked over, reducing the risk of accidents. Automatic shut-off ensures the heater turns off after a set period or if it detects unsafe conditions. Prioritize heaters with robust safety features, especially if your garage is used frequently or has flammable materials.
Thermostat ControlA thermostat control allows you to set and maintain a desired temperature in your garage. This spec is important for energy efficiency and comfort. Basic heaters may have manual controls, while more advanced models offer digital thermostats with programmable settings. For occasional use, a manual thermostat may suffice. However, if you spend a lot of time in your garage or need precise temperature control, opt for a heater with a digital or programmable thermostat to maintain consistent warmth and reduce energy consumption.
Installation and PortabilityConsider whether you need a fixed or portable heater. Fixed heaters are mounted on walls or ceilings and are ideal for permanent heating solutions, providing consistent heat without taking up floor space. Portable heaters can be moved around as needed, offering flexibility for spot heating or temporary use. If you need a long-term heating solution, a fixed heater might be best. For occasional use or if you need to direct heat to specific areas, a portable heater would be more suitable. Choose based on how you plan to use the heater in your garage.

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