We Can Save You Money

At Johnston Heating & Air Conditioning, our goal is to provide you quality service at an affordable price. We offer a Maintenance Agreement that helps us do that for you more effectively.

Our Maintenance Agreement states that we agree to provide you with a complete equipment check and professional cleaning semi-annually as described below for your heating and/or air conditioning equipment during the term included.

Once you have you Maintenance Agreement in place, you become a Priority Customer with our company! This means you are entitled to a 15% discount on all repair service, labor and materials! You will also enjoy improved efficiency from your equipment, which saves you money all year long!

Semi-Annual Equipment Check

  • Outdoor coil will be inspected for heat transfer loss
  • Refrigerant checked for proper charge to assume no leaks
  • Exposed duct work around indoor unit will be checked for leaks
  • Thermostats will be checked and calibrated, if possible
  • Motors and bearings will be lubricated as required
  • Controls and safeties will be tested, as needed
  • Drain will be checked
  • Crankcase heater checked for proper operation
  • Measure volts/amps on motors
  • Relays and contacts will be inspected
  • Unit wiring and electrical disconnect will be inspected
  • Humidifier operation will be checked, where applicable
  • Refrigerant temperatures and pressures will be recorded
  • Indoor coil will be inspected
  • Air filters will be replaced 2 times per year
  • Outdoor coils will be washed 2 times per year
  • Furnish inspection report and advise of abnormal conditions