Annual Equipment Maintenance

Annual HVAC Maintenance & Tune-Up

Regular annual maintenance is the single most important thing an Oshawa homeowner can do to protect their HVAC investment, prevent unexpected breakdowns, and keep monthly energy bills as low as possible. Modern Home Energy provides comprehensive annual tune-up and inspection services for furnaces, heat pumps, central air conditioners, boilers, and water heaters across Oshawa and all of Durham Region.

Why Annual HVAC Maintenance Is Essential for Ontario Homeowners

Ontario’s climate puts real demands on home heating and cooling equipment. Furnaces work hard through cold winters, and air conditioners carry heavy loads through summer heat waves. Without regular servicing, small issues become expensive repairs, efficiency drops steadily, and equipment lifespans shorten. Most HVAC manufacturers also require annual maintenance as a condition of honouring warranty coverage.

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What’s Included in Our Annual Maintenance Service

Furnace & Air Handler Tune-Up

  • Burner and heat exchanger inspection for cracks and carbon monoxide risk
  • Blower motor cleaning, lubrication, and belt inspection
  • Flame sensor, igniter, and safety control testing
  • Air filter inspection and replacement (filter cost extra if needed)
  • Flue and venting inspection for proper draft and combustion
  • Gas pressure check and manifold pressure adjustment
  • Thermostat calibration and operation verification
  • Full safety check — carbon monoxide test included

Heat Pump & Air Conditioner Service

  • Outdoor coil cleaning and inspection for damage or debris
  • Refrigerant level check and leak inspection
  • Electrical connection tightening and capacitor testing
  • Contactor inspection and replacement if worn
  • Indoor coil and drain pan cleaning
  • Airflow measurement and duct system inspection
  • Defrost cycle testing for heat pump systems
  • Full seasonal startup or shutdown procedure

Boiler & Hydronic System Check

  • Burner assembly cleaning and combustion analysis
  • Pressure and relief valve testing
  • Circulator pump and zone valve inspection
  • Expansion tank pressure check
  • Flue gas analysis for combustion efficiency
  • Heat exchanger inspection for corrosion or leaks
  • Water quality test and inhibitor level check

How Often Should You Service Your HVAC System?

The general recommendation for Ontario homeowners is once per year for each major system. For homes with a furnace and separate central AC, schedule the furnace tune-up in September–October before heating season and the AC service in April–May before cooling season. Heat pump systems should be serviced twice per year — once in fall and once in spring — as they operate year-round.

What Happens If You Skip Annual Maintenance?

Homeowners who skip annual HVAC maintenance often end up paying more in the long run. Dirty heat exchangers can reduce system efficiency by 10–15%, leading to higher monthly energy bills. Undetected refrigerant leaks may cause compressor failure — a major repair that regular maintenance could have prevented. In addition, most HVAC manufacturers require annual maintenance as part of their warranty terms. Missing even one year can void parts warranty coverage.

HVAC Maintenance FAQ

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