Forced Air Heating Systems provided by ServiceMagic.com.
One of the most common central heating systems, forced-air heating systems are present in nearly 35 million American homes today. A forced-air heating system draws the room air through ductwork to a furnace, where the air is filtered and heated. The warmed air is then blown back into the rooms through other ductwork. The system's ductwork is usually metal wrapped in insulation to help keep in heat. In some cases, flexible ductwork is preferred.
Note: If you're thinking about replacing pre-existing ductwork with your new heating unit, you should have the ductwork inspected for the presence of asbestos.
Forced Air Heating System Options
It goes without saying that not all forced air heating systems have the same performance standards. The first thing you need to decide is how much many you're willing to spend on your heating installation and what your priorities are. Noise level, energy-efficiency, comfort level, and overall convenience are all important considerations that can vary widely between different heating units.
Take a moment and think about what you've most liked and disliked in heating systems in the past. Are you easily irritated by noise? Do you hate seeing that utility bill every month? Do you feel like you have cold toes and suffocating breathing in the winter? How long and harsh is the winter where you live? This will help you decide which forced air heating system to choose.
Furnace Design in Forced Air Heating Systems
Furnaces come in "upflow," "downflow" and "horizontal" models designed to accommodate basement, attic, or limited-space installation. The terms mean exactly what they seem to mean. With older gravity furnaces, the heated air is delivered by natural convection, not by a blower; the warmed air simply rises through the ducts to heat the rooms above. The larger your home, the bigger furnace you'll need. Larger homes will probably also need to create multiple zones to create relatively even heating throughout your home. It's probably best to talk to a HVAC contractor before determining the best design for your home.
Forced Air Heating Systems
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