Preventative Maintenance

Besides replacing your filters on a regular basis—preventative maintenance keeps your system operating properly, efficiently and will pro-long 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 keep the heating/cooling systems of many large and small commercial buildings up and running with quarterly, semi-annual, or annual preventative maintenance. Check our gallery page for a few of our current projects.

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.

Your preventative maintenance will include:


  1. Cycle the furnace
  2. Limited blower cleaning
  3. Verify limit operations
  4. Clean flame sensor
  5. Check, clean, and cycle condensate parts
  6. Measure and record amp draw to inducer
  7. Inspect flue pipe
  8. Measure and verify ignition protocols
  9. Clean burners
  10. Tighten all electrical wiring/connections
  11. Clean and adjust the pilot assembly
  12. Measure and adjust the gas pressure (if applicable)
  13. Brush and inspect the heat exchanger
  14. Conduct a bubble test for gas leaks (if applicable)
  15. Clean or change the air filter
  16. Vacuum the burner compartment
  17. Measure and record the delta T
  18. Rate and set the furnace input
  19. Check and calibrate the thermostat
  20. Clean the exterior of the furnace


  1. Cycle the unit
  2. Test total refrigerant pressure
  3. Test the outdoor ambient temperature
  4. Test the indoor ambient temperature
  5. Test amperage draw on the fan motors
  6. Tighten all electrical wiring/connections
  7. Check the indoor coils
  8. Inspect and wash the outdoor coils
  9. Change fuses
  10. Heat Pumps – Check defrost system
  11. Heat Pumps – Check emergency heat operations
  12. Heat Pumps – Check reversing valve

Are you ready? Give us a call at 360-695-1476 or visit our contact page for more options.