Heating & cooling done right, the first time.
Harrison Heating & Mechanical Ltd. installs, repairs and maintains furnaces, air conditioners, heat pumps and indoor air quality systems for homes across London and the surrounding area.
Comfort systems, covered start to finish
From a noisy furnace to a full system replacement, our technicians handle installs, repairs and maintenance on all major residential HVAC equipment.
Furnaces
Repair, maintenance and installation for gas and electric furnaces.
Air Conditioning
Central A/C repair, tune-ups and new system installation.
Heat Pumps
Efficient heating and cooling from a single system, year-round.
Ductless Systems
Mini-split installs for additions, garages and ductless homes.
Water Heaters
Tank and tankless water heater service and replacement.
Indoor Air Quality
Filtration, purification and humidity control for healthier air.
Ready to get comfortable?
Reach out for a straightforward quote — no pressure, no upselling.