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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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Merry Christmas and happy holidays! Cute little children girls sitting by the window and looking at the winter forest. Room decorated on Christmas. Kids enjoy the snowfall. December 28, 2017

Unusual Ways to Keep Your Home Warm for Winter

We are always on the lookout for new and inexpensive ways to heat our home, because that bit of comf

Feet in wool socks near fireplace in Christmas time concept December 21, 2017

Home Heating Myths Debunked

There is one wives’ tale for almost everything – even your home heating! These mind-boggling myt

Mature Couple Standing In Front Of Air Conditioner And Adjusting The Temperature By Remote December 14, 2017

HVAC Conundrum: Why You Should Let the Pros Handle It

We are living in a digital age where everything you need to know is just a few clicks and swipes awa

December 13, 2017

3 Compulsory Qualities of Professional HVAC Contractors

A HVAC system transforms a house in to a home. The system cools your home when it is hot outside. Th


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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