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Published on Apr 5, 2012
When determining the correct size for a heating and air conditioning system, a HVAC contractor needs to get the home's square footage, take into account how much insulation is found in the attic and walls, conduct a heat gain/heat loss calculation and more.
Watch this How it Works video by Aire Serv to make sure your heating and AC contractor is properly measuring your home before replacing your heating and air conditioning system.