Besides replacing your filters on a regular basis—preventative maintenance keeps your system operating properly, efficiently and will prolong the life of your system. A regular ‘check-up’ on your heating/cooling system will ensure that you will have fewer breakdowns during those cold winter months and hot summer days!

Our qualified service technicians specialize in home energy efficiency. Ask us anything!

Our residential customers keep their systems operating smoothly with annual maintenance. Fall maintenance is great for heat pump/furnace systems and spring is a good time for systems with air conditioners.

Here are the preventative maintenance options we provide:

Blairco Maintenance Checks
  • Cycle and test run equipment from the thermostat
  • Check all electrical connections
  • Check amperage to compressor & motors
  • Check and clean evaporator & condenser coils
  • Chemically treat condensate pan
  • Check belt condition & tension
  • Check blower motor & fan
  • Check refrigerant charge
  • Check ignition controls
  • Inspect heating elements
  • Inspect & clean burners
  • Lubricate motors and moving parts
  • Inspect, clean or replace air filters (1″ & 2″ included)
  • Check and calibrate thermostats
  • Check all safety and limit controls
  • Inspect gas lines
  • Check and adjust gas pressure
  • Test and record return air, supply air and outdoor temperatures
Gas Furnace Checks
  • Cycle the furnace
  • Limited blower cleaning
  • Measure and record delta T
  • Clean flame sensor
  • Cycle and clean condensate pump
  • Check condensate drain
  • Rate/set furnace input
  • Measure and record inducer motor amp draw
  • Inspect flue pipe
  • Measure and verify ignition protocols
  • Clean and adjust pilot assy
  • Measure and adjust gas pressure
  • Brush and inspect heat exchanger
  • Conduct bubble test for gas leaks
  • Clean burner compartment
  • Ohm out HSI record reading
Heat Pump/AC Checks
  • Check disconnect
  • Check fuses
  • Check refrigerant service caps and valves
  • Check contactor
  • Check fan blade
  • Check fan motor bearing play
  • Check defrost cycle
  • Check capacitors and record reading
  • Check reversing valve operation
  • Check TXV location & mounting
  • Check unit level
  • Clean debris out from inside of unit
  • Clean outside unit
  • Check lineset insulation/condition


Are you ready? Give us a call at 360-695-1476 or visit our contact page to set up your appointment.