Thus if your house totals 2000 sq.ft.: it would be 2000 x 40 = 80,000 btu/hour to heat the house & the size boiler needed. We are a reliable family company giving the very best service for your drainage systems. A large gas field was discovered in groningen at the end of the 1950s it soon became clear that this natural gas was extremely suitable for heating homes and buildings burning coal and oil was.
Added: 2020-05-08 | Category: one