When your home comfort depends on reliable heat and cool air, turn to Superior HVAC Service, Heating & Air Conditioning for prompt, dependable care backed by practical know-how. As a heating contractor and furnace repair service, we troubleshoot strange noises, short-cycling, and weak airflow with care that restores safe, steady performance. Our team also supports you as a boiler supplier and heating equipment supplier, helping you select solutions that fit your space and budget goals. For summer readiness, count on us as an air conditioning contractor and air conditioning repair service to diagnose refrigerant issues, airflow restrictions, and thermostat problems, plus we can act as your air conditioning system supplier when replacement is the smarter choice. Homeowners searching for furnace repair st catharines will find responsive scheduling, clear communication, and workmanship that respects your time. We serve St. Catharines, Ontario with seasonal HVAC maintenance that keeps systems efficient, reduces surprise breakdowns, and extends equipment life—so your home stays comfortable when the weather swings. Hours: Mon-Sun: 07:00 to 23:00 Services: HVAC