# Question: How Many Watts Do You Need To Heat A Garage?

## Will a 1500 watt heater heat a garage?

Garage Size A good rule to follow for choosing an adequate garage heater is for every 10 watts of output, you can heat 1 square foot of space.

For instance, a 150-square-foot garage or shop will be fully heated by a 1,500-watt electric garage heater..

## How do I calculate what size heater I need?

To calculate the size unit heater required for your space, use the following formula: Calculate the cubic footage of the space to be heated by multiplying building length x width x ceiling height. A 30 x 40 pole barn with 14 foot average ceilings* will have (30x40x14=) 16,800 cubic feet of space to heat.

## How many square feet will 40000 Btu heat?

To heat a 2,000 square foot home, you will need approximately 40,000 BTU’s of heating power.

## What size heater do I need for my garage?

Since electric garage heaters are rated according to their wattage and gas garage heaters are rates according to BTUs, you can estimate the required size of a gas heater by multiplying by the wattage by 3.41. 5280 x 3.41 = 18,005 BTUs. To convert that into watts, divide by 3.41.

## How many watts does it take to heat a 3 car garage?

Insulated 3 Car Garage50°F Temperature Rise70°F inside 20°F outside3 car, 8 ft ceilingup to 900 sq ft8,200 watts3 car, 10 ft ceilingup to 900 sq ft9,900 watts3 car, 12 ft ceilingup to 900 sq ft11,500 watts

## How much does it cost to run a 1500 watt heater for 24 hours?

A common wattage for space heaters is 1,500 watts. Apply the formula 1,500 x 24 ÷ 1,000 x \$0.20 to determine the cost to run the space heater for a day. (Dividing by 1,000 changes watt hours to kilowatt hours.) In this case, it will cost \$7.20 if it was running for 24 hours straight.

## What is the most economical way to heat a garage?

Perhaps the most cost-effective way to maintain heat in a garage is with portable space heaters. These are inexpensive to purchase and, if you choose one rated for energy efficiency, you can run several of them if needed without a major impact on the cost of electricity.

## How many BTUs is 1500 watts?

A standard space heater provides approximately 5,100 BTUs, or 1,500 watts. That means that a standard size space heater is more than sufficient for a room with 144 square feet. But before you decide on what size space heater you need for your home or office, consider these factors.

## What is the safest heater for a garage?

What Type of Heater is Best for a Garage?The Best Garage Heater Models.Reviews.#1 Modine HD45AS0111Natural Gas Garage Heater.#2 Heavy Duty Fan Forced Ceiling Mounted Heater by Fahrenheat.#3 Mr. Heater MH18BRV Portable Propane Heater.#4 Stanley ST-60HB2-GFA Gas Forced Air Heater 60K BTU.#5 Stanley ST-222A-120 Heavy-Duty Electric Heater.#6 Mr.More items…

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

Two-car garages (450-700 sq ft) require a 3600-7000 W unit (electric heaters) or 12,000-24,000 BTUs/hr (for the propane ones) Three-car or bigger garages (700-900 sq ft) need a 7000-9000 W unit (or 24,000-31,000 BTUs/hr).

## How many BTUs do I need to heat my garage calculator?

Divide your total square footage by 200, and then multiply your answer by 9,000 to determine the BTU requirements for an uninsulated garage. Multiply by 6,000 instead of 9,000 if your garage is insulated.

## How many Btus do I need to heat a 24×24 garage?

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. The makers of low-intensity infrared tube heaters say that 30,000 Btu can heat a two to 2-1/2 car garage, and suggest 50,000 for a three-car garage.