étrendszabályok hu-hu.bestforsupplements42.eu


If you live in a house that’s 20 years

If you live in a house that’s 20 years or older, use the higher number if you live in a newer house, use the lower number the result tells you roughly what size boiler to get this is an imperfect way to calculate your afue, but it will keep you from buying a 125,000 btu boiler when all you need is a 75,000 btu one. Sometimes, you may be required to have insurance for the drain to your property you should.

Added: 2020-05-07 | Category: one
Comments: 0