What Size HVAC System Do I Need?

What Size HVAC System Do I Need?

What size air conditioner or furnace do I need for my home? We get this question a lot and it’s an important one. Because if you buy an HVAC system that’s too big, you’ll end up wasting money and energy. And if it’s too small, you won’t get enough cool or warm air flowing through your home. Figuring out an accurate HVAC size involves 2 basic steps. But there are a lot of details to consider in the process.

1) Determine how many BTU’s of heat and Tons of AC you need.

House Square Footage BTUs Needed
100 – 150 5,000
150 – 250 6,000
250 – 300 7,000
300 – 350 8,000
350 – 400 9,000
400 – 450 10,000
450 – 500 12,000
500 – 700 14,000
700 – 1,000 18,000
1,000 – 1,200 21,000
1,200 – 1,400 23,000
1,400 – 1,500 24,000
1,500 – 2,000 30,000
2,000 – 2,500 34,000