$49 / month O.A.C Including Install
$49 / month O.A.C Including Install

ajax furnaces

24 / 7 Emergency Service Available. Call Us Now: 1.844.894.6832

Ajax Air Conditioning Repair, Service and Installation

ajax furnaces
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Winters in the Durham region can be cold and harsh, which is why all Ajax furnace repairs and replacements should be entrusted to Twintech's experienced technicians. With more than 30 years of professional experience, our company helps families maintain home comfort without breaking the bank.


Finding the right furnace for your home can be a tricky process without the right tools and experience. Our local experts create custom made-to-measure sheet metal to ensure every furnace installation produces the correct amount of heat. This process is put in place to save energy, as it stops your furnace from overheating and reduces energy bills significantly. If you go with Twintech, you can expect professional service and a reliable, long-lasting heating system.


If your furnace breaks down on you, don't get left in the cold! Our team will come to the rescue - we will come to your home, pinpoint the issue, and get your furnace up and running again in no time. Our friendly experts have experience with a large variety of makes and models, which is why you can rely on Twintech for your next Ajax furnace repair.


For more information on Twintech's furnace repair and installation services, give us a call at 1.844.894.6832.


ajax furnaces


See What Our Customers Are Saying:

by Eric Y, Greenbank on Twintech Heating and Cooling

Dave was great in helping me get the proper units for my property, as well as getting them installed. The installers arrived when they said they would, and completed the project on time, and professionally. If I needed another furnace, I would use Dave again.

by Ed B., Whitby on Twintech Heating and Cooling

I have known Greg and Grant Dainty for many years and have used their company for my house and business. I recommended them also for my parents and sister and they all have been very satisfied with the quality of work for a reasonable price. I just recently had them install a new HVAC system in an older house and was very pleased with their work. Craig in Pickering. After meeting with various heating and air conditioning contractors I was referred to Twin Tech Heating and Cooling through a family member. Greg and Grant arrived at my home and provided me with an estimate and a plan as to how they were going to remove and replace my furnace and air conditioner. On the day of install Greg and Grant arrived at my home on time and were very professional and extremely courteous as to any questions or concerns that I had. The removal and install was truly professional and the attention to detail was exactly what I was looking for. I’ve seen many installs from other contractors and I couldn’t be any happier to have had such a clean looking install. The sheet metal work, ducting and venting all look fantastic. Upon completion Greg and Grant left me feeling extremely happy and very fortunate of a job well done. Thanks again Twin Tech!!

by Floreene in Whitby on Twintech Heating and Cooling

My old furnace had finally broken down for the last time when contacted twintech to have a new furnace installed…They were prompt, knowledgeable and very reasonably priced. They did such a great job i tell all my friends and family about this company.

by Damien McIsaac. Ajax on Twintech Heating and Cooling

To whom it may concern, I recently had TwinTech (Greg and Grant Dainty) replace my furnace and service both my gas fireplaces and air conditioning unit. They were professional, courteous and very fair in their pricing. I would gladly recommend TwinTech to anyone needing work done. I can be contacted at 905-626-XXXX.

by Blair N. - Toronto on Twintech Heating and Cooling

My Fiancé and I have relied on Twintech Heating and Cooling now for the better part of the last 10 years. In that time, Greg has installed a furnace, an air conditioner, and a heat-pump at our residence in Toronto. In each instance Greg and his team were a pleasure to deal with. They were courteous and professional throughout the whole process and the quality of their work is first rate. Our experiences have always been extremely positive and we have referred his services numerous times to our friends and family. Without hesitation, I would recommend Greg and TwinTech Heating and Cooling to anyone looking to service or replace their existing heat/AC equipment

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See What Our Customers Are Saying:

by Aaron on Twintech Heating and Cooling

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.

by Linda on Twintech Heating and Cooling

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!

by Robert Rogers on Twintech Heating and Cooling

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

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

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!

How Heat Pumps Operate in Different Climates

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - May 12, 2025

Heat pumps have become an increasingly popular choice for homeowners looking to heat and cool their homes efficiently. Thanks to advancements in technology, heat pumps now offer reliable performance across a variety of climates—from the sunn

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Spring HVAC Maintenance Checklist

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - March 23, 2025

Here’s a Spring HVAC Maintenance Checklist to keep your system running efficiently as the weather warms up: Indoor Unit Maintenance Replace the Air Filters — Change filters to ensure better air quality and system performance (typica

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Benefits of an Indoor A/C Unit

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - September 19, 2023

Indoor air conditioning units, also known as ductless mini-split systems or ductless air conditioners, offer several benefits for cooling indoor spaces. Here are some of the advantages of using an indoor A/C unit: Zoned Cooling: Ductless min

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The Amazing Flexibility of Heat Pumps for Modern Homes

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - January 6, 2026

One of the biggest reasons heat pumps continue to grow in popularity across Ontario is their remarkable flexibility. Unlike traditional heating systems that are limited in how and where they can be used, heat pumps adapt easily to different home s

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