# Question: How Do You Properly Size A Furnace For A House?

## How do I know what size furnace I need for my house?

A general rule of thumb is that if your home is well insulated with newer style windows, you can select the smaller size system that falls within your total square footage.

If your home is two story it will place less of a load on the system in the downstairs area as the second floor acts as additional insulation..

## What size furnace do I need for a 2500 square foot home?

However, there are basic “rule-of-thumb” estimations to help select the proper size for your home. In colder climates, you’ll want a furnace that generates 40 to 45 BTUs per square foot. At this amount, you’ll need 100,000-112,500 BTU furnace to heat a home of 2,500 square feet.

## What size furnace do I need for a 2000 square foot house?

A mid-sized home of 2,000 square feet would need approximately 50,000 to 60,000 Btu to heat it properly. With a less efficient furnace operating at 80 percent efficiency this would require a 60,000- to 72,000-Btu furnace.

## How big of a furnace do I need for a 1600 square foot house?

Chart of Recommended Heating BTU Per Square FootRoom/Area Size:Examples:1,400-1,600 sq ftAverage home, large townhouse or home addition1,600-1,800 sq ftAverage home, large townhouse or apartment1,800-2,000 sq ftAverage home, large townhouse, guest house2,000-2,200 sq ftAverage home, 4-bdrm apartment14 more rows

## How many square feet will a 75000 BTU furnace heat?

A 75,000 BTU heater can heat a room of between 1,900 and 3,700 square feet in a cold climate if there is little to no insulation. In more temperate climates the heater fares better, heating an uninsulated room of any size from 2,400 to 4,600 square feet.

## What size furnace do I need for a 1400 square foot home?

STEP 1: Determine how many BTUs of heating and tons of AC you needHouse Square FootageBTUs Needed1,200 – 1,40023,0001,400 – 1,50024,0001,500 – 2,00030,0002,000 – 2,50034,00010 more rows