- Nov 27, 2012
- 0
Question:
I've noticed BTU output on some wood stove are at 50,000 BTU an hr.
Now my natural gas furnace has a plate on it that says 160,000 btu's?? .
How are wood burning stoves rated when it comes to BTU's?? Are they all per hour?
Answer:
Yes, all per hour.
A furnace might only turn on for 15 minutes each hour, which means 40,000 BTU input x 75% efficiency - or 30,000 BTU for that particular hour. A stove gives output all the time when it is running, so this is the reason for the difference.
I've noticed BTU output on some wood stove are at 50,000 BTU an hr.
Now my natural gas furnace has a plate on it that says 160,000 btu's?? .
How are wood burning stoves rated when it comes to BTU's?? Are they all per hour?
Answer:
Yes, all per hour.
A furnace might only turn on for 15 minutes each hour, which means 40,000 BTU input x 75% efficiency - or 30,000 BTU for that particular hour. A stove gives output all the time when it is running, so this is the reason for the difference.
