ECN Forum Forums General Topics of the Trade General Discussion Area How to calculate gas boiler HP?

This site http://www.onlineconversion.com
offers all manner of conversions. A boiler BTU rating is actually BTU/Hr. So, 1 Btu/hour [I.T.] = 0.0003929 horsepower [electric]. Or, 1 Btu/hour [I.T.] = 0.0003985 cheval vapeur for the rest of us.