Installed AC from 45.99/mo

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$49 / month O.A.C Including Install
$49 / month O.A.C Including Install
Amana Armstrong Ducane Goodman KeepRite Navien GeneralAire Continental Mitsibishi Bosch Panasonic
Full-Service HVAC Care And Maintenance Provider

Welcome to TWINTECH Heating & Cooling

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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Home Stars Award 2018 Home Stars Award 2019 Home Stars Award 2020 Home Stars Award 2021 Home Stars Award 2022 Home Stars Award 2023 Home Stars Award 2024

Heating

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

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Air Conditioning

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

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Gas Fireplaces

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

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Hot Water Tanks

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

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Heat Pumps

At the forefront of the move towards utilizing Heat Pumps as a primary source of Heating and Cooling your home or building.

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Gas Line Installation

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

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Finance HVAC equipment with us today!

At TWINTECH we believe that financing essential equipment for your home should be simple.

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Ask us how!

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Winner of The 2018 HomeStars Best of Award

Grant, Greg & Dave are pictured here with HomeStars CEO Nancy Petersen accepting their Best of 2018 Award. The award is only given to those companies who offer outstanding customer satisfaction time after time.

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See What Our Customers Are Saying:

by Robert Rogers on Twintech Heating and Cooling
We are very glad we went with TwinTech!

Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.

by Robert Mizuno on Twintech Heating and Cooling
Recommend to anyone looking for honest and reliable services

We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!

by Ruth on Twintech Heating and Cooling
I definitely recommend TwinTech!

TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!

by Anna Chin on Twintech Heating and Cooling
Professional and Knowledgeable

Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!

by Connor Agnew on Twintech Heating and Cooling
Great Experience All Around

Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.

Our Blog

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Amana Heat Pump Service Whitby

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - July 14, 2025

If you're a homeowner in Whitby looking to enhance energy efficiency and indoor comfort, installing an Amana heat pump could be the perfect solution. Renowned for their durability, energy savings, and year-round performance, Amana heat pumps a

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Common HVAC Noises You Should Be Aware Of

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - April 14, 2018

Are you suffering from unnecessary noise in your home Are you having a hard time watching and hearing the TV because your vents are too loud There are some noises that are normal, but there are also instances wherein HVAC systems make strange noise

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HVAC 101: Awesome Cleaning Projects

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - May 14, 2018

HVAC systems are important in our daily lives, yet we often forget to take care of them properly (or clean them at least). You might think that you do not have the skills to clean them on your own, but there are still some things you can do in ord

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Oshawa Furnace Leaking

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - January 21, 2025

A leaking furnace can be a cause for concern for homeowners in Oshawa. Not only can it disrupt the comfort of your home, but it may also lead to costly repairs if not addressed promptly. At Twintech Heating & Cooling, we’re here to help you

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