ThermiFlow delivers precision HVAC systems for commercial, industrial, and residential buildings across the GTA — built for efficiency, designed to last.
Offices, Retail & Mixed-Use
Precision climate systems engineered for productivity. From high-rise towers to retail complexes, we deliver energy-efficient solutions that keep your tenants comfortable and your operating costs low.
Learn MoreWarehouses, Plants & Facilities
Heavy-duty HVAC for demanding environments. Process cooling, ventilation systems, and industrial-grade installs built to perform under pressure — 24/7, year-round.
Learn MoreHomes & Multi-Unit Buildings
Whole-home comfort systems designed for the GTA climate. High-efficiency furnaces, central air, and smart thermostats — installed right the first time.
Learn MoreFounded by engineers, not salespeople, ThermiFlow was built to deliver HVAC systems that actually last — designed to spec, installed with care, and backed by a team that stands behind its work.
20+
Years in the GTA
"ThermiFlow redesigned our entire HVAC infrastructure across three office towers. The energy savings in year one exceeded projections by 18%. Exceptional engineering team."
David Marchetti
VP Facilities, Meridian Properties
Commercial"Our manufacturing plant runs 24/7. When our cooling system failed, ThermiFlow had a crew on-site within two hours and had us back online before the next shift. That kind of reliability is priceless."
Sandra Kowalski
Plant Manager, Apex Manufacturing
Industrial"From the quote to the final walkthrough, the whole process was seamless. Our new system is quieter, more efficient, and the smart controls are a game-changer. Highly recommend."
James & Priya Okafor
Homeowners, Mississauga
ResidentialReady to Get Started?
Get a detailed assessment and free quote from our certified engineers. No obligation, no pressure — just expert advice tailored to your building.