All Four Seasons Heating and Air Conditioning can inspect, repair or replace any centralized heating system to help maximize your efficiency and energy consumption. If you have a gas furnace or heat pump, all heating units need servicing to ensure the best performance and lifespan. Our certified heating technicians have the knowledge and experience utilizing the latest diagnostic tools to quickly resolve your heating system problems. Proudly Servicing Agoura Hills, Thousand Oaks, Oak Park & Los Angeles


Schedule your 21 point Heating Tune upĀ  for only 69.00


  1. Thermostat calibrating and leveling
  2. Cleaning or replacing 1″ filters as needed
  3. Fan Motor Monitoring – Volts/Amps
  4. Bearing lubrication and wear inspection
  5. Blower Motor Diagnostics/ Amperage Reading
  6. Blower Motor Capacitor Testing
  7. Blower Motor Bearings Inspection (oil if possible)
  8. Blower Motor Belts & Pulley Inspection (if applicable)
  9. Blower Inspection
  10. Check for combustion air leaks from return air
  11. Electrical connection inspection and tightening
  12. Safety Devices Inspections – Operations Test
  13. Electrical Wiring Inspections – Checking for exposed wires
  14. Carbon Monoxide Check
  15. Full Heat Exchanger Inspection
  16. Gas Leak Inspection – Thorough check for gas leaks
  17. Temperature Split Measurement – Duct supply/return
  18. Duct Work Inspection – Energy Loss Evaluation
  19. Gas Pressure Measuring and Adjusting for Peak Efficiency
  20. Ignition System Inspection – Checking for proper operation
  21. Inspect Flew vent for proper ventilation


Schedule your appointment today!