Home Maintenance :: Heating A furnace works by drawing air inside a heat exchanger, where it is warmed with a flame of natural gas, propane or fuel oil, or with heated electric coils. A blower sends the warmed air through the house via metal ducts; it enters the room through a register or grill in the floor or wall. Indoor air is circulated continuously through the system, so a furnace filter is used to contain dust, pollen and other airborne particles. An older home might have a boiler, fueled by natural gas, liquid propane or fuel oil. A boiler works by heating water and circulating is through pipes to radiators, where it warms the surrounding air. Unlike a furnace, a boiler doesn't circulate air throughout the house, which is why the air in a boiler-heated home might seem "stuffier." • Air Conditioning • Bath Resurfacing • Bathrooms • Carpets • Curtains • Home Theatre • Hot Water Systems • Kitchens • Paints • Verandahs • Doors • Floorings • Asbestos Removals • Heating • Mirrors • Nameplates • Restumping

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