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Oct 17, 2024

6 Best Garage Heaters in 2024 For a Winter-Ready Workspace

By Allison T.S. Robicelli Updated on Oct. 14, 2024 Whether you use your garage for storage, vehicle parking or a DIY workshop, the best garage heater can make all the difference. Our editors and

By Allison T.S. Robicelli

Updated on Oct. 14, 2024

Whether you use your garage for storage, vehicle parking or a DIY workshop, the best garage heater can make all the difference.

Our editors and experts handpick every product we feature. We may earn a commission from your purchases.Learn more.

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If you live in a place that gets cold, installing the best garage heater will transform your garage from an icebox to a comfortable DIY refuge. Whether you’re trying to keep the garage toasty-warm or merely prevent stored items from freezing, let heat output be your guide. Garage size determines the overall heating power required, as well as whether you’ll need a blower on the heater. However, sizing can be complicated, so looking into our HVAC sizing guide is a good starting point.

Aside from providing comfort during colder months, installing a garage heater is beneficial for several reasons, says Brad Roberson, the president of Aire Serv, a Neighborly company specializing in HVAC services for residential and commercial clients. It helps prevent damage to vehicles, protects valuable belongings and enhances functionality. “These heaters ensure a warmer and more controlled environment within the garage, creating a more usable and versatile space for various activities, such as workshops or home gyms,” he says. Keep reading to find the best garage heater to suit your needs.

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This 6,000-watt garage heater from Heat Storm produces up to 20,000 British thermal units (BTUs), warming up to 1,000 square feet, making it a smart choice for most garages. It’s Wi-Fi enabled, allowing it to be monitored and controlled from a smartphone app or through your Alexa. Use its interconnectivity to start warming up the garage before you get there—simply set a timed on/off schedule and adjust the temperature. This best garage heater runs on 240-volt service and needs to be hardwired to a dedicated circuit.

“I researched a lot of heaters and looked at a lot of reviews, including a lot of YouTube install/reviews. Although this heater was among the more expensive units, I believe the value justifies the price,” writes Jacob Miller, a five-star reviewer. “It is a good quality build, it works well and there’s no extra dinking around needed. You unpack the box, wire it up, turn it on and it just works.”

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If your primary concern is budget, then this Pelonis space heater might be the right choice for you. The least expensive heater on this list, it runs on 120-volt power and gives off approximately 5,000 BTUs. That’s not enough to heat an entire garage, but enough to keep you warm at a workbench or treadmill.

This radiator-style best garage heater has three settings—600, 900 and 1,500 watts—so you can control how much heat it puts out. Heavy-duty caster wheels let you roll it around the garage to wherever it’s needed, and a carrying handle lets you move it to other rooms that may get drafty. Moreover, this option comes equipped with automatic shutoff protection and a tip-over switch for added safety.

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If you work with running engines or products that give off fumes, you probably leave the garage door open. If you’re working in an open-air environment, you’ll need serious air movement and high BTUs. The Dyna-Glo forced-air heater runs on kerosene (recommended) or diesel fuel, and can heat a whopping 4,000 square feet.

This best garage heater is not meant for enclosed or smaller spaces—it’s noisy, requires significant ventilation and creates moisture that will condense on your tools. But with an open overhead door, all the negatives drop away, ultimately leaving you with a much warmer work environment.

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If you love controlling your devices remotely, take a look at this smaller-size Heat Storm infrared heater. Not sure if you turned off the heat before heading up to bed? Just check the app on your phone. Want to preheat your workspace before starting on your latest project? Open the app and you’re good to go.

The Heat Storm is a wall-mounted heater, which keeps it out of the way, and the 110-volt plug means easy installation. You can expect this energy-efficient heater to give off up to 5,200 BTUs, which is plenty for insulated garages that need just enough warmth to take the edge off. Additionally, this fan-favorite unit boasts more than 11,000 five-star ratings on Amazon. One happy shopper, Heather784, calls it the “best garage heater yet,” adding, “this thing is the best bang for the money for a garage and small space heater.”

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If you’re only heating a small area or simply taking the chill out of the air, go with a mid-sized electric heater. The NewAir G73 electric heater is a wall- or ceiling-mounted electrical unit (240-volt) good for about 500 square feet. The manufacturer rates it at 17,000 BTUs, ideal for a single-car garage. The built-in fan helps circulate air and raise the temperature faster.

“I’ve had this in the garage for three years now. It has never given me any issues,” shares verified purchaser, Brooke. “It keeps our garage warm all winter and the temperature controls work well. Couldn’t be happier with this.”

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If you have a spacious garage or need to raise the temperature significantly, you’ll need a heater with a larger blower and higher BTUs. This gas-powered Modine ceiling heater combines operating value, ease of use and reliability. According to Robertson, as a general guideline, a heater with an output of 20,000 to 30,000 BTUs is often suitable for a well-insulated two-car garage. With an impressive 45,000 BTUs, this model is sure to warm most garages while also conserving valuable floor space.

This heater won’t have you playing outlet Tetris while operating corded power tools, either. Connect it to a programmable thermostat to maintain a cooler temperature overnight, and it kicks on only when you’re in the garage. Among the many positive reviews, one happy shopper writes: “Heater works excellent in a Wisconsin attached garage. Brings the temp up to 80 degrees in 15 minutes. Runs quiet and smooth.”

In addition to considering the size of your garage, it’s important to think about the following factors when looking for the best garage heater:

The best garage heaters were hand-chosen by Dan Stout, a former residential remodeler, commercial site supervisor and maintenance manager. He’s worked on a wide range of areas in the building and DIY world, including project planning and permitting, basic electric and more.

For this article, we also got advice from Brad Roberson, the president of Aire Serv, a Neighborly company that provides HVAC services to residential and commercial clients. Aire Serv is a trusted name in the field of heating and air conditioning installation, maintenance and repair; and Robertson has almost 20 years of experience.

Our best garage heater picks were selected by a former residential remodeler who worked on nearly all aspects of building and DIY, referencing reviews of dozens of different garage heaters and evaluating how they stack up in real-world conditions. Only those with exceptionally good consumer reviews made the cut. From there, those with the highest scores and most relevant benefits and features were chosen as winners. When a garage door insulation kit isn’t enough, the best garage heater comes to the rescue.

The best kind of heater for a garage is entirely dependent on the size of your garage and the severity of your winters. Consider all the factors listed above to determine the right model for your home. When in doubt, Robertson suggests consulting with a heating professional to help determine the most appropriate unit based on your specific needs.

According to Robertson, the size of the heater you’ll need depends on factors like insulation, local climate and desired temperature. For climates with cold-to-moderate winters, here are some general guidelines to follow:

Garage heaters can be safe if used properly and in accordance with manufacturer guidelines. It’s crucial to select a heater with safety features such as tip-over protection and overheat shut-off. Additionally, ensure proper ventilation in the garage to prevent carbon monoxide buildup. Regular maintenance, following safety instructions and keeping flammable materials away also contribute to a safer heating environment.

While some individuals with technical proficiency may attempt to install a garage heater on their own, Robertson says it is generally recommended to hire a service professional to get the job done correctly. “Garage heaters involve electrical or gas connections, ventilation considerations and safety measures that require expertise to ensure proper installation, compliance with local codes and safe operation,” he says. “Professional installation helps prevent potential hazards and ensures optimal performance and efficiency of the garage heating system,” he adds.