AC + Heat Pump Service + Repair
Tell us about your project and we'll route your request to the right Denoco branch.
Same-week diagnostics, repairs, and tune-ups for central AC, ductless mini-splits, and heat pumps across Kingston and surrounding communities. Live business-hours answering — call now or book online.
Most "my house is not cool" calls come down to a small set of issues — but the right fix depends on whether it is a central AC, a mini-split, or a heat pump in cooling mode. We diagnose first, then explain options in plain language.
Heat pumps cool with the same components as an AC, but the control logic, reversing valve, and defrost cycle add their own failure modes. If your heat pump is not cooling, the diagnostic path is different from a typical AC. Same with mini-splits — the indoor head, communication wiring, and outdoor inverter all matter. We approach each system on its own terms.
Sometimes the right answer is a clean diagnostic and a small repair. Sometimes it is a seasonal tune-up to prevent the same call next summer. And occasionally the honest answer is replacement, because the cost of repair on a 15-year-old unit does not pay back. We tell you which it is.
Live answering during business hours; fallback voice AI if we are stacked. We confirm the issue, book the right type of visit (diagnostic, tune-up, or repair), and keep you in the loop on scheduling.
Most common causes: low refrigerant (often a leak), a frozen coil, a tripped breaker, a failed capacitor, or a clogged filter blocking airflow. We diagnose before we recommend.
Heat pumps share components with AC but add a reversing valve, defrost board, and control logic. The fix could be similar to an AC problem — or specific to heat pump cooling mode. We diagnose first.
Check that the remote and indoor head are in cool mode and the filters are clean. If that does not help, call us — ductless systems can have inverter board, communication-wire, or refrigerant issues that need a technician.
If the indoor coil is icing or there is water leaking, yes — turn it off at the thermostat to prevent damage. Then book service.
For scheduled service, diagnostics, and tune-ups we book the next available slot in your area and tell you the realistic timing up front. If your system is fully down right now and the home is uncomfortable, our same-day Emergency HVAC dispatch is a faster path — call your local branch and ask for emergency dispatch.
Cleaning the outdoor coil, checking refrigerant charge, electrical connections, capacitor health, thermostat operation, filter and airflow check, and condensate drain. The goal is fewer breakdowns and steady efficiency.
Big factors: age of the system (12+ years usually tips toward replacement), repair cost vs replacement cost, refrigerant type, and how much comfort you are losing. We give you a straight call after the diagnostic.
Serving Kingston, Amherstview, Bath, Napanee, Odessa, Sydenham, Verona, Gananoque, Brockville, and surrounding Eastern Ontario communities.
Denoco Kingston is TSSA Fuel Safety registered as FS-R-53391. Family-owned for 40+ years across Eastern Ontario.
