What size furnace do I need for a 4000 sq ft home?
How Many Square Feet Will 30,000 – 120,000 BTU Furnace Heat?
| Furnace Capacity | Square Footage(Hot Climate) | Square Footage(Moderate Climate) |
|---|---|---|
| 80,000 BTU | 2,650 sq ft | 1,760 sq ft |
| 90,000 BTU | 3,000 sq ft | 2,000 sq ft |
| 100,000 BTU | 3,320 sq ft | 2,210 sq ft |
| 120,000 BTU | 4,000 sq ft | 2,650 sq ft |
What size furnace do I need for a 2600 square foot home?
117,000 BTU
Chart For Furnace Tonnages And BTUs For 500 – 3,000 Sq Ft Houses
| House Size (Sq Ft): | Furnace Size (in BTUs): |
|---|---|
| 2400 sq ft home | 108,000 BTU furnace |
| 2500 sq ft home | 112,500 BTU furnace |
| 2600 sq ft home | 117,000 BTU furnace |
| 2700 sq ft home | 121,500 BTU furnace |
What size furnace do I need for 1000 square feet?
A basic rule of thumb is that it takes 30 BTUs for every 1,000 square feet. At the most basic level, if you have a 1,000 square foot house, you’ll look for a furnace that has 30,000 BTU output.
How many BTU do I need for a 2000 sq ft house?
An average 2,000-square foot home will need between 80,000 and 115,000 BTUs to heat efficiently.
What size furnace do I need for a 2400 square foot house?
between 75,000 to 145,000 BTUs
A 2,100-square-foot home will require between 65,000 to 125,000 BTUs. A 2,400-square-foot home will require between 75,000 to 145,000 BTUs.
What size furnace do I need for 1200 sq ft?
between 35,000 and 75,000 BTUs
A 1,200-square-foot home will require between 35,000 and 75,000 BTUs. 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 BTU do I need for a 2500 square foot house?
Once you know your climate zone, and the corresponding BTU requirements for your area, you’ll be able to find a general number for your home. For example, in zone 3 to 4, which typically requires 40-45 BTU per square feet, you can determine that a 2,500 square foot home would need a 100,000 to 112,000 BTU furnace.
How big of a furnace do I need for a 2000 square foot house?
Rough Estimates 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.
What is the correct size furnace for a 1500 square foot house?
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. A 2,400-square-foot home will require between 75,000 to 145,000 BTUs.