your trusted HVAC & Water Treatment Experts

Proudly Serving Barrie, Midland & Muskoka

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our proven solutions

Powerful, Efficient, and Proven HVAC Systems for Every Space.

Boilers

Advanced thermal efficiency.

Air Conditioning

Superior SEER performance.

Furnaces

High AFUE ratings.

Water Heaters

On-demand heating.

HVAC

Providing modern Heating & Cooling solutions engineered for efficiency and total comfort.

Designed for Ontario homes and climate conditions. We install high-efficiency heating, cooling, and heat pump systems that deliver quiet performance, improved indoor comfort, and long-term energy savings, all backed by expert craftsmanship and industry leading warranties.

We supply and install commercial HVAC systems centred around high-efficiency boilers and rooftop units. Our solutions are engineered for accurate load management, optimal combustion efficiency, and seamless BAS integration, delivering consistent performance, lower operating costs, and extended equipment lifespan.

Water Treatment

Delivering advanced water treatment systems for safer, cleaner, and better tasting water.

Advanced water softening systems that remove hardness minerals and protect your home from scale buildup. Designed for efficiency, our metered systems deliver reliable soft water while conserving salt and water.

Targeted water filtration systems designed to remove iron, sulphur, tannins, and turbidity. Professionally sized systems eliminate odours, discolouration, and metallic taste for clean, reliable water throughout your home.

Reverse osmosis systems provide ultra-pure drinking water by removing up to 99% of dissolved solids and contaminants — compact, efficient, and professionally installed.

Protect your home’s water with chemical-free UV sterilization. High-intensity UV-C light neutralizes harmful microorganisms, delivering safe, clean water with low energy use and reliable performance.

Why call LaFontaine Mechanical?

Locally Owned & Operated

Proudly based in our community, we know the neighbourhoods, and what local homes and businesses need. We’re your neighbours, offering honest dependable service.

24/7 Service & Warranty

We stand behind our work with round the clock support and industry leading warranties that guarantee long term comfort, reliability, and confidence no matter the season.

Certified HVAC Specialists

Our G1/G2 Licensed Gas Technicians are TSSA-certified and CWQA-trained, bringing expert knowledge to every heating, cooling, and water treatment installation.

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Call us today at 888.436.8895 or request a service online today!

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designed for your comfort

Systems built to perform, last, and impress. LaFontaine Mechanical is for those who value quality craftsmanship over quick fixes delivering reliable, efficient HVAC and water solutions.

24/ 7 Service

Trusted Warranties

Certified Technicians

Canadian Owned & Operated