Maintenance -  Kool Air Services

   The old adage is true: an ounce of prevention is worth a pound of cure. That’s why we encourage all AIR CONDITIONER owners to perform preventative maintenance. Below you’ll find our Preventative Maintenance Checklist, which is our proven method to keep your system in the pink and your home in constant comfort.
 When to schedule maintenance:

 If your system heats and cools your home:     Perform maintenance in the spring and fall

 Cooling-only:     Perform maintenance at least once a year, before the cooling season.

 Heating-only:     Perform maintenance at least once a year, before the heating season.

 Outdoor Units

You should expect your service technician to:

  Inspect unit for proper refrigerant level and adjust if necessary

  Clean dirt, leaves and debris from inside cabinet

 Inspect base pan for restricted drain openings—remove obstructions as necessary

 Inspect coil and cabinet—clean as needed

 Inspect fan motor and fan blades for wear and damage—on older models lubricate as needed

 Inspect control box, associated controls/accessories, wiring and connections. Controls may include contactors, relays, circuit boards, capacitors, sump heat and other accessories. All control box and electrical parts should be checked for wear or damage

  Inspect compressor and associated tubing for damage

 Indoor  Units

  Inspect and clean blower assembly (includes blower housing, blower wheel and motor)

  On older models, lubricate motor and inspect and replace fan belt if needed

 Check combustion blower housing for lint and debris and clean as necessary

 Inspect evaporator coil, drain pan and condensate drain lines. Clean as needed

 Inspect for gas leaks in gas furnaces

 Inspect burner assembly—clean and adjust as needed

  Inspect ignition system and safety controls—clean and adjust as needed

  Inspect heat exchanger or heating elements

  Inspect flue system - check for proper attachment to the furnace, any dislocated sections, and for signs of corrosion. Replace if necessary

  Inspect control box, associated controls, wiring and connections

  Clean or replace air filters

  Inspect conditioned airflow system (ductwork)—check for leaks

  While your system is operating

  Monitor system starting characteristics and capabilities

  Listen for abnormal noise

 Search for source of unusual odors

 Monitor air conditioning and heat pump systems for correct refrigerant charge

 Measure outdoor dry bulb temperature

 Measure indoor dry and wet bulb temperature

  Measure high and low side system pressures

  Monitor gas furnace for correct line and manifold gas pressure - make adjustments as needed

  Measure temperature rise and adjust airflow as needed

  Check vent system for proper operation

  Monitor system for correct line and load volts/amps

  Monitor system operation per manufacturer's specifications

  Provide system operation report and recommend repairs or replacement as necessary

NOTE: We recommend all maintenance and service work be performed by a professional air conditioning and heating dealer that holds the appropriate credentials to install and service air conditioning and heating equipment.




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