Our Work
HVAC Installation Gallery
Real jobs, real results — browse photos from furnace, AC, heat pump, ductwork, and tankless water heater installations across Trenton, Quinte West, Brighton, and Belleville.
High-Efficiency Furnace Installation — Trenton, ON
New RUUD high-efficiency gas furnace installation.
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Basement Mechanical Room — Quinte West, ON
Full mechanical room build-out for new home construction.
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Outdoor AC Unit Service — Brighton, ON
Central air conditioning service and installation.
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Oil To Gas Ductwork Fabrication — Quinte West, ON
Custom ductwork fabricated and installed during oil-to-gas conversion.
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Furnace Installation w/ Heat Pump— Quinte West, ON
High-efficiency gas furnace paired with heat pump installation.
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Heat Pump Installation — Quinte West, ON
Cold-climate heat pump mounted on concrete pad.
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Oil To Gas w/ Heat Pump — Trenton, ON
Ductwork fabrication paired with heat pump installation on oil-to-gas conversion.
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Furnace Installation— Brighton, ON
Basement HVAC system with furnace and water softener integration.
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Heat Pump Installation — Quinte West, ON
Central air conditioning unit installed on elevated platform.
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Heating System Upgrade — Brighton, ON
Furnace replacement and heating system upgrade.
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Instant Hot Water/Tankless — Brighton, ON
Navien tankless water heater installed in utility closet.
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Johnston Mechanical HVAC LTD serves Trenton, Quinte West, Belleville, Brighton, and surrounding areas. TSSA certified. Brandon on-site on every job.