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

Furnace Services Oshawa

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

Oshawa Furnace Repair, Service and Installation

furnace service oshawa
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In need of speedy furnace repair? Give us a call!


We understand that a broken furnace can be a most frustrating and uncomfortable experience for the whole family - TwinTech Heating & Air Conditioning Experts are here to help. Any time, any day - our certified technicians are available to quickly get your heat back on.


TwinTech’s furnace knowledge and experience covers a variety of heating units. Our technicians and tools can handle any situation - gas, electric, dual fuel, heat pumps, boilers or oil - they’re all covered. We treat each furnace like a patient, diagnosing the problem before fixing and bringing your furnace back to life!


If you suspect you’re in need of a furnace repair, try the following:

  • 1. Locate the emergency shut off and breaker
  • 2. Turn both off
  • 3. Turn both on again

If this does not resolve your furnace issue, contact us so we may track down the problem.


Be aware if there is a noticeable scent of gas - TwinTech Furnace Repair Technicians should be called right away.


If you are in Oshawa and require a furnace repair, call us at 844-894-6832 to set up an appointment and get your furnace up and running again in no time.

See What Our Customers Are Saying:

by Peter, Pickering on Twintech Heating and Cooling

On coldest night of the year our furnace quit. At 8:40 in the morning Greg arrived and gave us a diagnosis and a recommendation. By 2:30 we had a new furnace and were warm again. Great company. Great customer service. Good reasonable price.

Peter, Pickering

by New Furnace Installed on Twintech Heating and Cooling

Twin tech team was very efficient and prompt. They provided a quote within hours of request and got the job done on time. No disruption to home function. We would highly recommend this team. Job well done.

by John from Toronto on Twintech Heating and Cooling

Our furnace bit the dust, and Twintech came out to troubleshoot and diagnose the problem within a couple of hours. Mitch was super helpful, patient, and answered all of our questions. When we decided to get the furnace replaced, the crew was over first thing the next morning and did a fantastic job. Not only did they complete the job in a few hours, but they cleaned up and respected our house as they went, and answered all of our follow-up questions. I've used Twintech for our HVAC needs in the past and will continue to do so. I'd recommend them to anyone, and it feels good to support a local, family-owned business.

by Ryan k on Twintech Heating and Cooling

Dave and the Twintech team were fabulous from day 1 and helped us through the process to identifying a new furnace and AC unit. This was our first time through this process and Dave did a thorough job explaining all the components and was very patience answering all our questions. Dave provided great insights and fair pricing.

The Twintech team did an awesome installation. Very clean and efficient. I would highly recommended their service.

by Louise in Scarborough on Twintech Heating and Cooling

We had a new Amana furnace installed by Twintech and we were very pleased with the installation. It is nice to have a warm house again.

by Private User on Twintech Heating and Cooling

Excellent job. Excellent service. Competitive price. Its rare to find a company with the knowledge and professional results we have experienced with Twintech. The clean and neat installation with attention to detail and drop sheers to respect our property is a clear indication of Twintechs high level of integrity. The 1-1/2 gas line upgrade they did for our pool 3 years ago was awesome. Can't say enough. Thank-you Twintech.

by Private User on Twintech Heating and Cooling

Twitch did a great job with the installation of our new furnace. I really appreciated their honesty and I could trust what they were telling me. Another company tried to suggest significantly more work at a greater cost claiming it was necessary to meet current building code. Twintech is very fair. All staff I meet were friendly, polite and trustworthy. I would recommend Twitch for a furnace.

by Private User on Twintech Heating and Cooling

This is a professional team that's easy to deal with. I would strongly recommend them

by hj.taggart in OSHAWA on Twintech Heating and Cooling

Very professional firm from start to finish!
They removed the old oil tank and furnace. They installed air conditioning and a new propane furnace.
Professional installation, on time and no mess.
Very pleased with their work and would highly recommend the company. Our house is three stories so they spent the time to do all the calculations to make sure we would have great performance on each floor.
Thank you again!

by susieschoeppler in Oshawa on Twintech Heating and Cooling

Upon a routine yearly maintenance, it was discovered there was a leak in the heat exchanger and a I needed a new furnace. I know nothing about these things and was completely stressed out. The company I had the maintenance plan with quoted me a huge number to rent a furnace, I just wanted to cry. Then I spoke to Dave at Twintech. He was so knowledgeable and calming, provided me a fair quote and within a few days I had an amazing crew show up to my house and install my new energy efficient furnace! I have already recommended these wonderful people at Twintech to a good friend of mine. Thank you Twintech!!

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Oshawa Furnace Repair, Service and Installation

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!

Fine Tuning Your Furnace System

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - March 3, 2024

Fine-tuning your gas furnace is an important aspect of home maintenance, especially before the onset of colder months when you'll rely on it for warmth. Here's a step-by-step guide to help you: Turn Off Power: Before performing any main

Read More

My AC Is Not Blowing Cool Air

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - March 19, 2024

There could be several reasons why your AC isn't blowing cool air. Here are some common issues to check: Thermostat Settings: Ensure that your thermostat is set to "cool" mode and the temperature setting is lower than the curre

Read More

Guide to the Furnace Humidifier

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - December 2, 2024

A furnace humidifier is a valuable addition to your home’s HVAC system, particularly in regions where cold winters often lead to dry indoor air. By maintaining balanced humidity levels, a furnace humidifier helps improve comfort, protects your

Read More

Undersized heat pump?

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - August 28, 2023

Our previous house was a 1968 split level 1600 total sq feet with basement and we had a 13 seer carrier ac 2 to worked well. We also had new triple pane windows and white exterior. Our new house is a bungalow old windows and brown exterior so m

Read More