Dominion Heating & Cooling is a local HVAC company serving London, Ontario and surrounding communities. We provide residential heating, cooling, water heating, heat pump, maintenance, and HVAC repair services.

Yes. Dominion Heating & Cooling provides residential furnace repair in London, Ontario. We diagnose common furnace problems including no heat, ignition problems, airflow issues, unusual noises, thermostat problems, and heating system failures.

Yes. Regular furnace maintenance can help identify potential problems, improve system operation, maintain airflow, and prepare your heating system for the winter season.

Yes. Dominion Heating & Cooling provides residential AC repair in London, Ontario. We diagnose cooling problems such as poor cooling, electrical issues, airflow problems, refrigerant-related issues, and outdoor unit problems.

Dominion Heating & Cooling provides residential heat pump installation and service, including cold-climate heat pump options suitable for Ontario’s heating and cooling requirements.

We install and service tankless water heating systems, including Navien tankless water heaters. We can help determine the appropriate system based on household size and hot-water demand.

We provide residential HVAC service for heating and cooling problems. If your heating or cooling system stops operating, contact Dominion Heating & Cooling to discuss the problem and available service options.

It depends on the furnace’s age, condition, repair cost, efficiency, availability of replacement parts, and expected remaining service life. Dominion Heating & Cooling can inspect the system and explain the available repair or replacement options.

We provide furnace repair and installation, furnace maintenance, air conditioner repair and installation, heat pump services, water heater services, tankless water heater installation and descaling, HVAC maintenance, and indoor air quality solutions.

Our diagnostic service call is $120 + HST. If you approve the recommended repair, the diagnostic fee may be waived according to the repair terms provided at the time of service.

For most residential systems, annual professional maintenance is recommended. Fall is a popular time to schedule furnace maintenance before the heating season begins.

Yes. We provide residential central air conditioner installation and replacement. We can help homeowners choose an appropriately sized system based on the home and existing HVAC system.

Modern cold-climate heat pumps can provide both heating and cooling and are designed to operate in colder temperatures. The right system depends on the home’s size, insulation, existing heating system, electrical capacity, and homeowner’s goals.

Tankless water heaters should generally be professionally descaled periodically. The recommended frequency depends on water quality, usage, and the manufacturer’s requirements.

Dominion Heating & Cooling serves London, Ontario and surrounding communities, including areas such as Komoka, Ilderton, Lucan, Strathroy, St. Thomas, Ingersoll, Aylmer, Belmont, Mount Brydges, Port Stanley, Thorndale, Thamesford, Tillsonburg, Dutton, and Glencoe

Common warning signs include no heat, frequent cycling, unusual noises, weak airflow, an ignition problem, thermostat issues, unusual smells, or a furnace that repeatedly shuts down. If your furnace is not operating normally, professional diagnosis can identify the cause.