HVAC Contractor
St. Catharines, Ontario
Experience Comfort, Trust KMC Heating and Cooling Services Inc – Your Premier HVAC Contractor in St. Catharines, ON, Canada
As one of the most trusted HVAC contractors in the area, we offer energy-efficient, affordable, and professional services designed to meet the specific climate needs of St. Catharines. From routine furnace service to urgent AC repair, we are committed to keeping your home or office at the perfect temperature, no matter the season.


Comprehensive AC and Furnace Repair in St. Catharines, ON, Canada
Air Conditioning Repair and Service
We offer:
- AC repair for issues like refrigerant leaks, frozen coils, and thermostat malfunctions.
- Preventative air conditioning service to improve efficiency and prevent costly breakdowns.
- Expert air conditioner installation for homes looking to upgrade to energy-efficient models.
Furnace Repair, Installation, and Maintenance
Our services include:
- Furnace installation for new homes or system replacements.
- Regular furnace maintenance to keep your system in top shape.
- Prompt emergency furnace repair for unexpected breakdowns.

Emergency Furnace Repair
Professional Tankless Water Heater Service in St. Catharines, ON, Canada

Tankless Water Heater Installation and Repair
- Unlimited hot water on demand.
- Lower energy bills due to reduced heating costs.
- Space-saving design, eliminating bulky storage tanks.
Tankless Water Heater Maintenance
- Flushing out mineral buildup.
- Inspecting heating elements for optimal performance.
- Cleaning filters to maintain steady water flow.


Efficient HVAC Services for Every Season
AC Services to Keep You Cool
Reliable Furnace Services to Beat the Cold
Expert Gas Line Installation and Repair
Add Comfort with KMC's Additional HVAC Services
Fireplace Services for Cozy Winter Nights
Humidifier Installation for Healthier Air



Ready to Experience Reliable Heating & Cooling?
Why choose us?
- Experienced and certified HVAC professionals
- Fast and reliable HVAC service in Malton, ON
- Affordable pricing with no hidden fees
- 24/7 emergency services available
Complete HVAC Services for St. Catharines Homeowners
From furnace repairs and air conditioning installations to indoor air quality upgrades and water treatment solutions, KMC Heating & Cooling provides reliable home comfort services tailored to the needs of St. Catharines homeowners.
Furnace Services
Keep your home warm and comfortable with expert furnace repair, replacement, and installation services.
AC Services
Stay cool all summer with reliable air conditioning repair, replacement, and installation services.
Water Heater Services
Professional water heater repair, replacement, and maintenance for hot water.
Tankless Water Heater Services
Enjoy energy-efficient hot water with expert tankless water heater solutions.
Gas Line Services
Safe gas line installation, repair, and leak detection performed by licensed professionals.
Fireplace Services
Keep your gas fireplace operating safely with expert repair and installation services.
Smart Thermostat Services
Upgrade comfort and efficiency with smart thermostat installation and calibration.
Humidifier Services
Improve indoor comfort and air quality with professionally installed whole-home humidifiers.
HRV Services
Enhance indoor air quality and ventilation with energy-efficient HRV systems.
ERV Services
Balance fresh air and humidity levels with professionally installed ERV systems.
Attic Insulation Services
Reduce energy costs and improve comfort with expert attic insulation solutions.
HEPA Filter Systems
Capture airborne particles and improve indoor air quality with advanced HEPA filtration.
Water Softener Services
Protect your plumbing and appliances by reducing hard water minerals throughout your home.
Reverse Osmosis Services
Enjoy cleaner, better-tasting drinking water with reverse osmosis filtration systems.
Whole House Water Filtration
Filter contaminants throughout your home with comprehensive whole-house water treatment.
Carbon Water Filters
Reduce chlorine, odors, and impurities with effective carbon water filtration systems.
