Keeping families comfortable for over 30 years. Check out our seasonal promotions.

TWINTECH is a full-service HVAC care and maintenance provider located in Durham, Ontario. The company is owned and operated by Grant and Greg Dainty, third generation HVAC technicians.

Over the years, TWINTECH has developed an outstanding reputation for both the quality of our installations and high level of customer service in the GTA and surrounding areas.

TWINTECH recognizes the need for crucial preventative maintenance and repair of residential HVAC systems, and as a result, our company has gone to great lengths to bring together a highly trained service team whom our customers can count on during any heating and air conditioning emergency.

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Gas & Electric Furnaces Pickering Here in Durham Region, winters can be harsh and frigid and the...

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Air Conditioning

Air Conditioning Pickering Hot. Sweaty. Sweltering. Oven-like. These are words we try to avoid w...

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Gas Fireplaces

Gas Fireplaces Pickering Nothing says escape from a cold winter day like curling up by a fire. F...

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Tankless Water Heaters

Tankless Water Heater Installation & Repair Hot water is an essential part of a comfortable Cana...

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Hot Water Tanks

Hot Water Heaters Pickering There are few everyday pleasures more satisfying than a hot shower. ...

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Custom Ductwork

Pickering Custom Ductwork A lot of money and effort gets spent on getting the right furnace or a...

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Maybe it’s your furnace or your air conditioner or your ductwork but you’re getting the sens...

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Gas Line Installation

Pickering Gas Line Installation When it comes to heating systems or high-energy use appliances g...

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Reviews On


Dealing with Uneven Home Cooling Concerns September 28, 2017

Dealing with Uneven Home Cooling Concerns

If you live in a multi-story hoe and you notice uneven home cooling, you are not alone. When you hav

What Happens When I Clean My Air Ducts? September 21, 2017

What Happens When I Clean My Air Ducts?

You probably have asked yourself at one point or another if you should have the air ducts in your ho

Water Heaters – Tankless or Traditional? September 14, 2017

Water Heaters – Tankless or Traditional?

If you are looking for a new water heater, there is a great selection of options and varieties avail

Furnace 101: Why is Mine Leaking Water? September 7, 2017

Furnace 101: Why is Mine Leaking Water?

There could be several reasons your furnace is leaking water, but the most likely one is a condensat


I have used Greg Dainty for over 15 years in 3 different homes, for heating, cooling, pool heaters, appliances and bbq lines. Greg has always been so professional, friendly and the workmanship nothing short of fantastic. Greg has always discussed my

Leslie B, Pickering

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