furnace





11/19/2014
A reader wonders how often to change furnace filters to keep the air clean in her home. Learn the frequency with which homeowners should replace a furnace filter.
10/3/2013
MOTHER EARTH NEWS Associate Editor Thaddeus Christian discusses the best firewood for your wood-burning furnace so you can enjoy wood heat all winter.
12/10/2009
Our recent article about energy-recovery ventilators stated that using a “true high-efficiency particulate air (HEPA) filter” in your forced-air heating or air conditioning system would reduce allergens more effectively than regular filters. But one reader pointed out that this could be dangerous. So we went to the experts for their advice.




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