What services should an HVAC contractor perform?
Regular maintenance of filters and other parts of your heating and air conditioning units will pay off over the years.
Neglecting necessary maintenance ensures a steady decline in air conditioning performance while energy use increases.
Keep your cooling and heating system at peak performance by having a contractor do annual pre-season check-ups. Contractors get busy once summer and winter come, so it's best to check the cooling system in the spring and the heating system in the fall. Some companies offer discounted packages for two maintenance checkups. Compare three plans before choosing.
A well-trained technician will find and fix problems in your air conditioning system. However, not all service technicians are competent. Incompetent service technicians forsake proper diagnosis and perform only minimal stop-gap measures. Insist that the technician do the following:
Check all gas (or oil) connections, gas pressure, burner combustion and heat exchanger. Improperly operating gas (or oil) connections are a fire hazard and can contribute to health problems. A dirty burner or cracked heat exchanger causes improper burner operation. Either can cause the equipment to operate less safely and efficiently.
Sources: Department of Energy, U.S. Environmental Agency, Estes Heating & Air Conditioning
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