How Many BTU Do I Need To Heat 1,500 Square Feet?

How Many BTU Do I Need To Heat 1,500 Square Feet?

Trying to add heat to your homestead or shop is.. well, complicated. While know the size of the space is the first step, that’s not the only thing you need to know to accurately calculate BTU needs!

Where do you live?

The climate zone you live in has a big impact on your BTU usage. For example, if you live in Minnesota, you’re going to need a lot more than if you live in Florida!

There are 7 main climate zones.

Have a look at the map above to pinpoint your climate zone. Then, we can use that information, a long with the desired square footage to calculate the necessary BTU as seen below!

1,500 Square Feet of BTU By Climate Zone

  • Zone 1: 45,000 BTU
  • Zone 2: 52,500 BTU
  • Zone 3: 60,000 BTU
  • Zone 4: 67,500 BTU
  • Zone 5: 75,000 BTU
  • Zone 6: 82,500 BTU
  • Zone 7: 90,000 BTU

In closing, there’s a big, big difference in BTU needs depending on your zone! So, make sure you get it right when you’re doing your estimating.

By Bob Womack

Bob learned about farming from his grand dad. So, the decision to leave the city and start homesteading was not a difficult transition. He now lives with his wife and two kids on their 30 acre property in Ohio.