# FAQ: What Size Btu Heater Do I Need?

## How many BTUs do I need to heat 1500 square feet?

A 1,500-square-foot home will require between 45,000 to 90,000 BTUs. A 1,800-square-foot home will require between 55,000 to 110,000 BTUs. A 2,100-square-foot home will require between 65,000 to 125,000 BTUs.

## How many heating BTUs do I need?

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.

## What size room will a 5000 BTU heater heat?

“5000 BTU air conditioner can cool a 100 to 150 sq ft room.” Energy Star guidelines for 5000 BTU AC room sizing also recommends that you: Increase capacity for a room with high sun exposure; +10% cooling output.

## How many BTUs do I need to heat 1000 square feet?

Calculating the number of BTUs needed to heat an area 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.

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## 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.

## 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.

## Does higher BTU mean more heat?

In a heat pump or furnace, the BTU number refers to the heat output of the particular unit. The higher the number the more heat the unit can produce. The larger your home, the higher the BTU you will want because it means the heating or cooling unit will be able to produce more heated or cooled air.

## Is 5000 BTU enough for a bedroom?

A 5000 BTU air conditioner is suitable for cooling a room that’s 100-150 sq. If placed in a bigger room, it will result in energy inefficiency because the AC will run for longer to cool the room. On the upper scale, a 12,000 BTU AC is good for a 450-550 sq. ft room.

## Is 8000 BTU enough for a bedroom?

Recommended BTU By Room Size Once you get into 340 and 400 square feet per room, you’d need an 8,000 or 9,000 BTU air conditioner, respectively. High ceilings or unusual floor plans also require additional cooling power, which means you should plan for another 10 percent above the standard BTU level.

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## 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.

## How many square feet will a 30000 BTU gas heater heat?

Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater ( 1000 sq. ft. Range) with Blower Fan Kit: Patio, Lawn & Garden.