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Furnace Maintenance

Keep your unit in optimal condition

1st Air ensures that your furnace maintenance is performed with care and your equipment is operating safely and efficiently.

Why You Should Choose Us?

  • We Are A Reliable Company

    1st Air has been providing the Greater Toronto Area with exceptional Heating and Cooling services. Through the supply and installation of industry-leading heating, ventilation and air conditioning (HVAC) products and solutions, we are always striving for excellence.

  • Award-Winning Lennox Dealer

    We are proud to be a premier dealer of the Lennox brand. Lennox is a leading provider of innovative, home heating and cooling systems. We are honored to win the Lennox Industries’ Centurion Award in 2015, 2016 and 2017!

  • Licensed Technicians

    It’s important to remember the complex and technical nature of HVAC technology. When you hire 1st Air for your heating and cooling needs, you hire licensed and certified technicians who will ensure all issues are dealt with professionally.

Furnace Maintenance

Regular Furnace Maintenance Checklist

  • Check over all condition of the furnace
  • Safety test for carbon monoxide (CO)
  • Safety check for fire and explosion hazard
  • Inspect for hazardous debris
  • Check gas piping for gas leaks
  • Check furnace safety switch
  • Check limit/rollout switches
  • Check electrical ground
  • Check polarity for 115 volts
  • Check furnace wiring and field wiring
  • Retrieve stored fault codes
  • Clean Condensate Drain and Trap
  • Clean Burners and Flame Sensor
  • Flushing collector box and drainage system
  • Service hot surface igniter or pilot assembly
  • Check thermostat operation and batteries
  • Change or clean furnace filter
  • Measure air flow and temperature
  • Check vent pipes
  • Full cycle testing the furnace

Reach Out About Our Services