Furnace Safety Issues - A list of safety concerns and inspection points, put out by a Dallas, Texas heating company, but some of the points made are applicable anywhere.
FurnaceCompare.com - Provides information to help consumers and HVAC professionals compare the efficiency, capacity and cost of more than 17,500 oil and gas furnaces.
The Furnace-Free House in Vermont - Discussion reported in Environmental Building News about designing a house that uses alternate forms of energy.
