Furnace Maintenance in Portland & Southern Maine

Our tune-up works the whole system, not just the burner: fresh filter, burner cleaning and inspection, heat exchanger inspection for cracks and corrosion, flame sensor and ignitor cleaning, blower assembly cleaning and lubrication, combustion analysis with instruments to verify efficiency and CO, safety-limit and control testing, venting and draft check, thermostat calibration, and — on oil furnaces — a new nozzle and oil filter with the burner tuned to spec afterward.

The heat exchanger inspection is the part that matters most and gets skipped most. A cracked exchanger can pass carbon monoxide into the air your blower distributes through every room, and it is invisible unless someone actually looks. Someone on our crew actually looks, every visit.

Run the numbers: an annual tune-up costs a fraction of a single mid-winter emergency call, keeps the manufacturer’s warranty valid (most require documented annual service), recovers efficiency lost to dirt and drift on every gallon or therm you burn, and extends equipment life by years. Insurance against a February no-heat night is the part you cannot price until you have lived one.

And a promise, because franchise-brand "tune-up specials" have taught homeowners to expect a sales ambush: our maintenance visit is a maintenance visit. Aces Highlands is locally owned, our techs have no upsell quota, and a healthy furnace gets reported as a healthy furnace. If we find something real, you get the finding, the price, and the honest urgency level — then it is your call. Check our coupons page before booking; we usually run a seasonal special.