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Twintech – The Best HVAC Installation in the Durham Region

When it comes to heating and cooling your home, installation quality matters just as much as the equipment you choose.
A properly installed HVAC system delivers better comfort, higher efficiency, and longer lifespan—while a poor installation can lead to higher energy bills and ongoing issues.
That’s why homeowners across the Durham Region and Toronto trust Twintech Heating & Cooling for professional HVAC installation done right the first time.
Expert Installation Makes All the Difference
Even top-tier HVAC systems won’t perform as designed without correct installation.
Twintech’s experienced technicians focus on precision, system design, and long-term performance—not shortcuts.
Every installation includes:
Accurate load calculations
Proper system sizing
Correct airflow and duct configuration
Careful calibration and testing
This attention to detail ensures your system operates efficiently and reliably in all seasons.
Specialists in Heat Pumps, Furnaces, and Complete HVAC Systems
Twintech installs a wide range of HVAC solutions, including:
Cold-climate heat pumps
Hybrid heat pump and furnace systems
High-efficiency furnaces
Central air conditioning systems
Ductless heating and cooling solutions
Our team helps homeowners choose the right system for their home—not just the most popular option.
Designed for Durham Region Homes
Homes in the Durham Region face unique climate challenges, from cold winters to humid summers.
Twintech understands local building styles, insulation standards, and weather conditions—allowing us to design systems that perform reliably year after year.
Whether you live in an older home, a new build, or a growing household, we tailor HVAC installations to your specific needs.
Comfort You Can Feel, Efficiency You Can See
Proper installation directly impacts:
Even heating and cooling
Lower energy bills
Reduced system noise
Improved indoor air quality
Twintech’s professional installations help homeowners enjoy steady comfort without temperature swings, cold spots, or wasted energy.
Protecting Your Investment
Manufacturer warranties often require professional installation by certified technicians.
Twintech follows all manufacturer specifications and industry best practices, helping protect your warranty and your investment.
Our goal is long-term performance—not short-term fixes.
Honest Advice and Transparent Service
Homeowners choose Twintech because we provide:
Clear explanations of options
Honest recommendations
No-pressure consultations
Clean, respectful installation practices
We believe informed homeowners make the best decisions—and we’re here to guide you every step of the way.
Why Homeowners Choose Twintech
Proven local experience
Highly trained installation technicians
Focus on efficiency and comfort
Reliable after-installation support
Commitment to quality workmanship
From the initial assessment to final system testing, Twintech ensures your HVAC installation meets the highest standards.
Your Trusted HVAC Installation Experts
If you’re planning an HVAC upgrade or replacement, professional installation is the key to long-term comfort and savings.
Twintech Heating & Cooling is proud to deliver the best HVAC installation services in the Durham Region—backed by expertise, precision, and customer-focused service.
Twintech Heating & Cooling installed my furnace in 2022 and in fall of 2023 installed my Panasonic Heat Pump. Greg and Mitch did a great job. Helped me through the rebate process. Super happy with the Heat Pump. Only used my furnace 5 times this winter. Energy bills lower, carbon emissions lower.Thank you Twintech. I recommend highly!
Just had a new furnace installed by Twintech. I cant express how great these guys are at what they do. From the sales to installation they were professional all the way. Very reasonable pricing and courteous during the installation and willing to answer any questions I had. Highly recommended !!!
They've cleaned my furnace a couple of times and mentioned that the hot water tank standards were going to change soon so I decided to change mine out.
There were a few challenges during the process but the installers handled the problems without missing a stride! I now have really hot water again!
Highly recommend Twintech Heating company, we got honest and detailed information on what was needed to replace and install a new gas furnace. Bob and Greg made us feel comfortable withe process through their thorough explanation and knowledge of the right furnace for our needs. The professionalism and courteous friendly attitude towards the customer is what we liked the most as they treated us like family. So happy with our decision and new furnace we will be looking into get our rental water heater replaced and installed by Twintech team. We feel better having their knowledge on our side and will only trust them with any further maintenance of furnace.
Customer service and knowledge is priority in this industry, and Twintech has it. I've dealt with their team for maintenance and a furnace replacement. They're accommodating and make great recommendations, and came through at a great price over the big guys in the industry. They'll be my next call when I need service or maintenance.
I decided that the noises and age of the existing furnace which was old and not very efficient to replace it. Gave Greg a call and Grant and Greg got to work on it. Because of supply issues with the current heating type that would be an easier install Greg convinced me to change the location of the system and it would provide me better service for heat and efficiency. I had skeptical but went ahead anyway putting trust in Greg And Grant. Greg, Grant and Mitch came through and in 2 days had completely relocated my heating and A/C system. I can honestly say Greg was right my old house has been warmer and more evenly heated as it ever was. For anyone reading this rather long winded review can take my word for it, Twin Tech can take care of your needs.
I called Twin Tech when my air conditioning stopped working. Greg came over to diagnose the issue - the same day. He was able to diagnose the issue and resolve it quite quickly. Although it was a quick fix, Greg was very thorough in explaining the issue and provided great advice. Not to mention, I felt very comfortable having Greg in my home - which I consider very important when hiring a service provider. Twin Tech will be my go-to from now on. Thank you!!
Great Team! Furnace broke in the weekend, Bob visited same day and Greg installed new one on Monday. Team was professional, respectful and knowledgeable. Installation went very well, Greg found solutions to challenges, like hiding new conduits in the ceiling. Looks nice and new furnace is working great. Five Stars.
I used Twintech to install a new furnace for my home. Bob was terrific in explaining the sizing options and why the 2 stage furnace was the best option for me. Greg did a great job installing, clean and on time. Finished work looks great but the best part is how it works. The 2 stage heating is so much more comfortable. I run the fan continuously to keep the indoor air clean. Great investment! Would highly recommendTwintech!
Im going to start this by saying Im a very particular customer. My background is in mathematics and mechanical engineering so I have an eye for detail and a respect for technical knowledge.
Greg had already done an AC inspection and replaced a water heater tank and there was no question in my mind who to deal with replacing my rickety old furnace after it got pooched.
Bob dropped in ahead of time and clearly (and knowledgeably) outlined all technical, price and operational options.
Greg showed up on time, on the agreed date and did a fantastic job. (The OLD furnace was a house of horrors and was installed in a keystone cops sort of way- careless.)
The work Greg did was HIGHLY PROFESSIONAL and FAR MORE FUNCTIONAL than what I had.
Im also a musician with many instruments so maintaining predictable humidity/temperature is extremely important to me. Greg recognized this as did Bob. You NEVER feel like youre being brushed off.
In summary, if youre looking for PROFESSIONAL, QUALITY results by an EXPERIENCED, THOUGHTFUL team
(that also happen to be FRIENDLY and ATTENTIVE ) then youve come to the right page!!
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We are very happy to recommend this company to everyone. Our furnace broke down on Sunday morning. We phoned them and before noon Grant the owner showed up. He worked on the furnace for about a hour not wanting to give up to fix the problem. The furnace was 17 years old. I was the one talking about replacing it. End result was the next day it was all done. On the Sunday Bob came over with heaters to warm up the house. We decided to replace the water heater at the same time. Thanks Grant for the excellent work. Thumbs up.
Right on time. Explained how to work the HRV in a different way so the house would not be so dry. Changed my whole house water filter for me as well. Friendly, helpful, caring service!
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.
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!
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!
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