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Posted by HeatPro on December 12, 2005 at 14:34:27:
In Reply to: Do boilers decrease in efficiency over time? posted by Mike on December 12, 2005 at 14:18:43:
Actually, the post begs the question of whether living in an uninsulated house makes sense at all with today's fuel prices. Insulating houses to modern standards cuts the fuel bill 75% and requires a smaller boiler or the thing runs so little that it is off most of the time in the coldest weather. Considering that my fairly-well insulated house of 1100 sq ft can't use more than 28,000 btuh in the coldest weather, the question of using a 210,000 btuh boiler for a house twice the size of my house borders on ludicrous. A modern-insulated house of 2000 sq ft would use about 50,000 btuh in my area, so moving would be a very intelligent option. Some examination of why living in a 2000 sq ft house and getting a Humvee to go to the store for groceries could be a theoretical pastime. But ssshhhh, don't talk too loud about it or the furnace and boiler salesmen could have a cat fit if people learn they make most heaters too big for modern houses.