If you turn on the air conditioning unit to stay cool in the summer, or if you turn on the heat to stay warm in the winter, you have an HVAC system, or Heating, Ventilation and Air Conditioning. This ...
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You should clean your air ducts every three to five years, but the specifics depend on your home. If you turn on the air conditioning unit to stay cool in the summer, or if you turn on the heat to ...
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