environment | May 14, 2026

What is the best heater for a 2 car garage?

The 6 Best Garage Heaters
  • Mr.
  • Dyna-Glo Pro RMC-FA60DGP 30,000-60,000 BTU Propane Forced Air Heater.
  • Modine HD45AS0111 45,000 BTU Hot Dawg Natural Gas Garage Heater.
  • Heatstar By Enerco F125444 Radiant/Natural Gas Overhead Garage Heater.
  • Fahrenheat FUH54 240-volt, 2500-5000-watt Electric Fan-forced Garage Heater.

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Moreover, what type of heater is best for a garage?

The Best Garage Heater

  • Fahrenheat FUH54 240-volt Garage Heater.
  • Lasko Ceramic Tower Space Garage Heater.
  • Newair G56 5600 Watt Garage Heater.
  • Modine HD45AS0111Natural Gas Hot Dawg.
  • Lasko 675919 Stanley Pro-Ceramic Utility Heater.
  • Patton PUH680-N-U Milk-House Utility Heater.
  • Cadet RCP502S 5,000-Watt Portable Garage Heater.
  • Mr.

Also Know, what is the best propane heater for a garage? Top 7 Propane Heaters for Garage Review 2020

  • Editor's Choice. Dyna-Glo IR18PMDG-1.
  • Best Portable Propane Heater. 60,000 BTU Variable Propane Forced Air Heater.
  • Most Powerful Propane Heater. ProCom PCC80V.
  • Best Wall-Mount Propane Heater. Mr.
  • Best Quiet Propane Heater. Mr.
  • Best Lightweight Propane Heater. Mr.
  • Budget Pick. Mr.

Also question is, how many BTU does it take to heat a 2 car garage?

Installing the heater How many Btu you need depends on variables such as the garage size, your climate zone and the temperature you want to work in. A basic rule of thumb for forced-air heaters is 45,000 Btu to heat a two- to 2-1/2 car garage, and a 60,000 Btu garage heater for a three-car garage.

How can I heat my garage cheaply?

With that information in hand, you'll be able to decide the smartest way to heat your garage.

  1. Install Better Insulation: The Cheapest Way to Heat Your Garage.
  2. Hook Up an Electric Space Heater: The Simplest Way to Heat a Garage.
  3. Fire Up a Combustion Space Heater:
  4. Install a Ductless Mini-Split System:
  5. Add Radiant Heating:
Related Question Answers

Where should I place my garage heater?

Installing Garage Heaters In large spaces, garage heaters like the NewAir G73 should be mounted at least seven feet above the floor and at least four inches below the ceiling. When mounting heaters, place them on interior walls, away from doors, windows, picture frames, and electric circuits.

Will a 1500 watt heater heat a garage?

A watt is a unit of power equal to one joule of energy per second. Therefore, a 1500 watt space heater (120 volts) can heat an area of 150 square feet, and a garage heater rated at 5,000 watts should be able to comfortably heat an area over 400 square feet.

How do I keep my garage warm in the winter?

5 Great Ways to Heat a Garage in Winter
  1. Choose a heat source or two that are sized for the garage's square footage.
  2. Finish the walls with fiberglass batt insulation and paneling.
  3. Insulate the garage door.
  4. Eliminate all other sources of drafts.
  5. Consider radiant heat for your floors.

What is the most efficient way to heat a garage?

Install an Infrared Heater A low-intensity infrared tube heater can be one of the best ways to heat up your garage. (Not the kind that glows red, since that could be a potential fire hazard.) Instead of blowing air like a forced-air unit, a tube heater radiates heat throughout your space.

What's better gas or electric garage heater?

An electric garage heater unit is generally cheaper than the gas powered unit but it is more expensive to operate than gas powered heaters. In most parts of the country, running an electric heater to keep a two-car garage can cost about 20 percent more to operate than forced air gas heater.

How can I keep my garage warm?

Freezing Cold Garage? Here Are 5 Tips to Keep it Warm
  1. Get Warm and Toasty With a Heater.
  2. Insulate the Garage Door.
  3. Insulate the Garage Walls.
  4. Repair Or Replace the Weatherstripping.
  5. Consider Caulking.

Are infrared heaters good for a garage?

Garage heating is the solution. They work great for an out-building or detached work shed. Plus, an infrared garage heater helps the rooms above your garage stay warm too. An infrared garage heater directly heats people and objects, thereby heating the surrounding air to the set temperature.

How big of an electric heater do I need for my garage?

The general guideline when sizing heaters is 10 watts for every square foot of space. For example, the NewAir G56 Electric Garage Heater has a wattage of 5600 watts, which means it can easily and effectively heat an area of up to 560 square feet.

What is a good temperature for a garage?

Ideally, you should keep your garage temperature above the dew point so the moisture can stay in the air where it belongs. Average dew points in the winter in the United States range between 50°F to 65°F in coastal states and between 15°F to 40°F in the interior of the country.

How do you size a heater for a garage?

How to Estimate the Heater Size for a Garage
  1. Measure the length and width of your garage.
  2. Check your garage's insulation.
  3. Divide your total square footage by 200, and then multiply your answer by 9,000 to determine the BTU requirements for an uninsulated garage.
  4. Find a heater with a BTU output that matches your results.

Is a propane heater safe to use in garage?

Yes, you can use a propane heater in a garage. There are only two main stipulations: it must have adequate and combustion air to operate, and you have to keep it away from flammable materials. There are some portable propane heaters that can be used indoors with a disposable propane tank.

How many BTU do I need to heat a 20x20 room?

Rule of thumb, of course. So the space you want to cool ( 20x20=400) should be doable wih a 1 ton (12,000 BTUH) unit. But I'd bump it up to a 15,000 - 16,000 BTUH to handle the hot, humid summer heat of your area.

How do I calculate BTU for heating?

Multiply your square footage by 20 BTUs to get a general estimate. Typically, plan to purchase a heating or cooling unit with 20 BTUs for every square foot of space you have.

How do you insulate a garage?

You can insulate the walls, ceiling, and door of the garage to the highest R-value possible, but if you fail to fill those air gaps, you'll still be wasting a lot of heat. So before insulating, go around the garage with a can of low-expanding spray foam and seal all gaps and cracks that let in the daylight.

How much does it cost to heat a garage?

The forced air heater is going to be least expensive of the two to purchase, however, the low-intensity infrared heater requires less energy over time. To heat an average, two to two-and-a-half car garage you will spend between $600 and $1500.

How many square feet will 15000 Btu heat?

Size and Ceiling Height
Area To Be Cooled (square feet) Capacity Needed (BTUs per hour)
400 to 450 10,000
450 to 550 12,000
550 to 700 14,000
700 to 1,000 18,000

Are garage heaters safe?

One great benefit of electric garage heaters is that they are safe to use around gaseous fumes. Moreover, unlike propane space heaters, there are no fumes to vent from the unit itself with electric heat.

Can you get carbon monoxide poisoning from a propane heater?

Carbon Monoxide is the product of incomplete gas combustion often because appliances are improperly adjusted. Properly functioning propane appliances will produce what is called an "ideal burn" during combustion and present no danger of Carbon Monoxide poisoning.

Do you need ventilation when using a propane heater?

However, if you will be heating a room inside a home or other building, choose an electric space heater instead, because propane heaters can pose a carbon monoxide hazard when used without adequate ventilation. Propane heaters need oxygen to breath.