# Question: What Size Electric Garage Heater Do I Need?

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

However, an electric garage heater with 3,000 watts is usually needed to heat a 2-car garage. The best gas garage heater for a 2-car garage usually has a rating of about 18,000 BTUs to adequately heat the space.

## How do you size an electric garage heater?

How to Estimate the Heater Size for a Garage

1. Measure the length and width of your garage.
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.

## How many BTU’s do I need to heat my 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.

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## How many BTUs do I need for a 1000 sq ft garage?

There are calculators available to help homeowners factor the right sized unit, but there are also some rules of thumb that can be followed. For example, a 300 square foot room typically requires 7,000 BTUs to maintain a comfortable temperature, while a 1,000 square foot room requires 18,000 BTUs.

## 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 are the best heaters for a garage?

Our Top Picks

• Best Overall. Fahrenheat FUH Electric Heater for Garage. Photo: amazon.com.
• Runner Up. Lasko 755320 Ceramic Space Heater.
• Best Wall Mounted. Broan-NuTone 198 High Capacity Wall Heater.
• Best Ceiling Mounted. Comfort Zone CZQTV5M Ceiling Mounted Quartz Heater.
• Best Bang for the Buck. GODCRYSTAL Space Heater.

## How many square feet will a 5000 watt electric heater heat?

A 1500 watt space heater can heat an area of 150 square feet, and a 5000 watt garage heater can comfortably heat an area of 400 square feet.

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

Roughly the formula comes out to this: (Insulation * Cubic Feet of Garage * Temperature Rise) / 1.6 = # of BTU. In an area of 3,840 cubic feet, with a 35 degree temperature rise with average insulation (or 1) would come out to this: (1 * 3840 * 35) / 1.6 = 84,000 BTU.

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

What Size Heater

1. Multiply the length times the width times the height to calculate the volume in cubic feet.
2. Multiply the room’s cubic footage by 4 if its walls contain fewer than 3 inches of insulation.

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

To determine the number of BTUs per square foot that you need to heat a room, simply multiply the square footage by 20 BTUs per square foot. For example, if a room has 1,000 square feet, you would require 20,000 BTUs to heat it.

## How much does it cost to heat a garage per month?

The average price for an electric garage heater ranges from around \$100 to \$400. Most units can be installed manually. Be warned that their use of energy can boost your electric bill about \$20 to \$100 a month.

## How much does it cost to install a garage heater?

Homeowners spend between \$1,200 and \$4,000 to install a garage heater, but it can cost up to \$5,000 or more. Costs vary based on how big your garage is, and what kind of garage heater you choose. There are several types of garage heaters, such as electric, infrared, and natural gas-powered units that vary in cost.

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

How many BTUs do I need to heat my 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.

## How many BTUs do I need to heat my 24×24 garage?

There is a basic rule of thumb for forced-air heaters, which is to heat a two- to 2-1/2 car garage and a three-car garage with 60,000 Btu.

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## How many BTU do I need for a 20×20 garage?

As a basic rule, the figure will be between 30 and 60 BTUs per square foot.