Maintenance Corner | November 2018

Heating and AC Maintenance Services

You know that regular maintenance improves your car’s mileage and 
performance – but you may not know that regular maintenance can also 
improve the longevity and performance of your heating and air-conditioning 
units. 

According to the U.S. Environmental Protection Agency, regular 
maintenance on your heating and AC systems gives you these great advantages:

     ●Increases the lifespan of your units by 5-7 years
     ● Decreases service calls by 25 – 35% 
     ● Cuts your utility bills by helping your system work more efficiently 
     ● Saves you additional money by fixing small problems before they turn 
         into big ones 
     ● Keeps dust and allergens down in the home

21 Point Annual Maintenance

This 21-Point Annual maintenance is the perfect way to check up on your 
HVAC system:

     ● Chemically clean and thoroughly wash your air 
        conditioner’s condenser coil(s). 
     ● Wash or Replace up to 1′′ air filter. 
     ● Check its condensing unit for level and proper motor and 
        bearing wear (if accessible.) 
     ● Lubricate its motor and fan bearings if applicable. 
     ● Clean and inspect its evaporator coil if readily 
         accessible. 
    ● Clean, level and check its thermostat operation. 
    ● Adjust and clean its blower motor and fan assembly. 
    ● Clean and inspect its condensate drain lines and fittings. 
    ● Inspect, tighten and test all electrical connections 
       including the electrical disconnect switch.
    ● Inspect, tighten and test its low voltage cooling wiring. 
    ● Test the system starting and running capacitors.
    ● Test all controls, switches, relays, transformers, contactors, motors and 
        fans. 
    ● Measure starting and running amperes, line voltage, and control voltage.
    ● Test the system’s starting capabilities.
    ● Check the system for proper air flow (supply and return differential).
    ● Inspect and test all of its safety controls. 
    ● Check its refrigerant pressures and temperatures. 
    ● Test and record its super-heat and sub-coooling
    ● Monitor the fan motor and compressor operating temperatures. 
    ● Test and record the AC system for proper production and capacity. 
    ● Complete and present to you a full written report and make any necessary  
       recommendations

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