Trusted HVAC services in Pickering & Durham Region.

Tired of unreliable HVAC service? Meet the twins keeping Durham Region comfortable since day one. Third-generation expertise meets modern reliability. From emergency repairs to premium Amana installations, Grant and Greg Dainty deliver the quality your home deserves.
Twin brothers Greg and Grant, owners of Twintech Heating & Cooling in Durham Region, Ontario.
Contact us today for your free estimate on a new HVAC system, maintenance plan, or repairs.

Active HVAC rebates, promotions & savings in Durham Region.

Three generations of integrity. One goal: your comfort.

At Twintech, HVAC isn’t just a job — it’s a family legacy. As third-generation technicians, Grant and Greg Dainty have built a reputation across the GTA for doing things the right way the first time.

We don’t just send a random contractor to your door. You get a highly trained service team hand-picked by the owners to handle any heating or cooling emergency with precision and care.

The Twintech Heating and Cooling team posing in their HVAC workshop in Durham Region, Ontario.
Group of Amana HVAC heating and cooling equipment including furnaces, heat pumps, and a digital thermostat.
Amana Advantage Specialist
Children arriving home in a cozy, temperature-controlled house entrance.

Total comfort that fits your monthly budget.

A new HVAC system is a big investment, but it shouldn’t be a financial burden. Twintech offers flexible financing options to help you get the system you need today while paying over time.

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Vista

Old-school values. Modern HVAC mastery.

Why choose Twintech?

Emergency Repair

Don’t wait in the cold. Our team is ready to respond to your heating and air conditioning emergencies when you need us most.

Precision Installations

From new builds to retrofits, we specialize in high-quality HVAC installations that maximize your Durham Region home’s airflow and efficiency.

Preventative Maintenance Experts

Stop breakdowns before they start. Our crucial maintenance plans extend the life of your unit and lower your utility bills.

Mastering home climate, one degree at a time.