David McCall (Street Articles Author)
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David McCall is the owner and general manager of McCall's Air Conditioning and Heating in Mesa, AZ. He has been in business since 1995. As a licensed HVAC technician with many years of experience, he has extensive knowledge of HVAC and air conditioning systems.

Tips for Hvac Energy Efficiency
HVAC TIPS Your home HVAC unit is an expensive and important investment. You want it to run efficiently, quietly and for many years. To get the most out of your HVAC, follow these simple steps that will help you avoid expensive repairs or even replacement. MAINTENANCE Your HVAC unit needs…
By:  in  Home Improvement  >  Heating and Air Conditioning   Sep 20, 2012  
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