⭐ 4.9 Stars · HVAC Maintenance Scarborough · (416) 424-4328
DIY vs Professional HVAC Maintenance — What You Can Do vs What Needs a Certified Tech
Safe DIY HVAC Maintenance Tasks
- ✅ Replace furnace/AC filter (every 30–90 days)
- ✅ Clear debris from outdoor AC/heat pump unit
- ✅ Rinse outdoor condenser coils (garden hose, NOT pressure washer)
- ✅ Replace thermostat batteries
- ✅ Test CO detectors and smoke alarms
- ✅ Keep vents open and unobstructed
Always Requires a TSSA-Certified Technician
- ❌ Any gas work (burner adjustment, gas valve, gas line)
- ❌ Refrigerant check or recharge (EPA/Environment Canada regulated)
- ❌ Heat exchanger inspection (crack detection requires trained eye and combustion analysis)
- ❌ Electrical component testing (capacitors, contactors)
- ❌ Evaporator coil cleaning (access requires refrigerant handling)
What HVAC maintenance can I do myself in Ontario?
Safe DIY HVAC maintenance in Ontario: replace filter every 30-90 days, clear outdoor unit, rinse condenser coils with garden hose, replace thermostat batteries, keep vents open. Professional TSSA-certified tech required for: gas work, refrigerant handling, heat exchanger inspection, electrical component testing. Call Madina Mechanical at (416) 424-4328.
Annual HVAC Tune-Up Scarborough: (416) 424-4328
