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

Cold-Climate Heat Pumps Explained

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Cold-Climate Heat Pumps Explained

Posted On: February 2, 2026

Cold-Climate Heat Pumps Explained

If you’ve heard that heat pumps don’t work in cold weather, you’re not alone.


That used to be true.


Today’s cold-climate heat pumps are designed specifically to handle freezing temperatures—and they’re becoming one of the most efficient heating options for homes in cold regions.


At Twintech Heating & Cooling, we install and sell modern cold-climate heat pumps, and homeowners are often surprised by how well they perform—even during harsh winters.


Let’s break it down.


What Is a Cold-Climate Heat Pump?


A cold-climate heat pump is a high-efficiency heating and cooling system engineered to operate in temperatures well below freezing, depending on the model.


Instead of generating heat by burning fuel, a heat pump:


Pulls heat from the outside air (yes, even cold air contains heat)


Compresses and transfers that heat indoors


Reverses in summer to provide air conditioning


Cold-climate models use:


Advanced inverter-driven compressors


Enhanced refrigerants


Improved defrost cycles to maintain consistent heat in winter.


Do Heat Pumps Really Work in Cold Weather?


Yes—when you install the right system for the climate.


Older heat pumps struggled below certain temperatures.


Modern cold-climate heat pumps are specifically designed for winter performance and can:


Maintain indoor comfort in sub-zero temperatures


Deliver steady heat without temperature swings


Operate far more efficiently than electric resistance heat


In many homes, they can replace a traditional furnace—or work alongside one in a dual-fuel setup.


Heat Pump vs Furnace in Cold Climates


Here’s how cold-climate heat pumps compare to traditional systems: Heat Pumps


Extremely energy efficient


Lower operating costs


Provide both heating and cooling


Reduce reliance on fossil fuels Furnaces


Very strong heat output in extreme cold


Often paired with heat pumps for backup


Higher fuel costs over time


Many homeowners choose a dual-fuel system, where the heat pump handles most heating, and a furnace kicks in only during extreme cold.


What About Ice and Defrost Cycles?


You may notice frost on the outdoor unit in winter—that’s normal.


Cold-climate heat pumps use automatic defrost cycles to:


Melt ice buildup safely


Maintain heating performance


Prevent damage to the system


A properly installed heat pump will manage this seamlessly without affecting indoor comfort.


Are Cold-Climate Heat Pumps Worth It?


For many homeowners, absolutely.


Benefits include:


Lower monthly energy bills


Fewer mechanical parts than combustion systems


Quiet operation


Long system lifespan


Possible rebates and incentives


The key is professional sizing and installation.


An undersized or improperly installed system won’t perform as intended.


Is a Cold-Climate Heat Pump Right for Your Home?


Cold-climate heat pumps are ideal for:


Homes with moderate to good insulation


Homeowners looking to reduce energy costs


Properties replacing older furnaces or AC units


New installations or system upgrades


At Twintech Heating & Cooling, we evaluate your home, climate needs, and comfort goals to recommend the right heat pump system—not a one-size-fits-all solution.


Professional Heat Pump Installation Matters


Performance depends heavily on:


Correct system sizing


Proper refrigerant charge


Smart thermostat integration


Quality installation


That’s why working with an experienced HVAC contractor is critical.


Schedule a Heat Pump Consultation


If you’re curious whether a cold-climate heat pump will work for your home, Twintech Heating & Cooling is here to help.


We install, sell, and service high-efficiency heat pump systems designed for real winter performance.


Contact us today to schedule a consultation or request a heat pump estimate.



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See What Our Customers Are Saying:

by Private User on Twintech Heating and Cooling

This review is late coming so my apologies to the amazing Twin Tech team! I contacted Dave at Twin Tech for a quote this past Feb (as I was collecting a few) and his recommendation was excellent. From the first meeting with Dave to the team installing the new furnace, not once did i feel uncomfortable . The team were extremely professional yet personable and clean and tidy. Decent companies still exist!
The new furnace just purrs and its just amazing the difference it has made!
(PS my sibling ended up getting a furnace from them as well)

by Private User on Twintech Heating and Cooling

The service was Twintech was excellent.
Dave our salesperson was easy to talk to and was professional. The unit recommended meets our needs and budget.
Greg and his team arrived on time for the installation and even got rid of the garbage the contractors left in our furnace.
Would definitely recommend Twintech.

by Steve V, Toronto on Twintech Heating and Cooling

Our old water tank was installed in 1997. Wasn't working as well as it should so we looked into a tankless as it is more efficient and a space saver! we had used Twintech in the past for a furnace cleaning and were satisfied with that so we decided to ask for a quote for the changeover. Gary arrived and provided the options and the quote fit within our budget so we decide to go with them after receiving a few alternative quotes from other companies. They did what the said would be done and it was completed within a reasonable time frame! Removal and cleanup of the old tank was seamless. We are now enjoying consistent and efficient Hot water! I recommend Twintech and would use them for future projects!

by New AC Unit + Humidifier on Twintech Heating and Cooling

One of the most honest HVAC companies out there! Dave was very helpful and informative in helping us choose a new AC unit. While they weren’t the lowest quote, we went with them because we trusted Dave and he was the most honest guy out of the companies that quoted us.
Greg and his crew who installed the unit were very professional and did a great job. If I could do it over again I would choose Twintech again.

by Private User on Twintech Heating and Cooling

Relocated and replaced our air conditioning unit. Fast, professional, and high quality service. We would definitely use them again for future projects!

by Ian, Toronto on Twintech Heating and Cooling

The term excellent or incredible does not seem high enough praise for the Twintech Heating and cooling company that recently replaced our 15 year old furnace. To start with, the response from Dave at Twintech to our original pricing request was the quickest and most professional of the 5 prices we received which included two of the primary natural gas providers. The Twintech pricing was the most competitive by a considerable margin.
We had Dave visit our home to confirm all pricing which he did and scheduled us for next day installation which was not offered my the majority of the other providers.
The installation; the team arrived on time and provided coverings to all of the hardwood flooring and stairs and proceeded with the removal and reinstallation of the new furnace, the workers predicated six hours and were completed in five hours. I have to mention how courteous and polite the workers were each time we interacted with them from start to finish.
The final result was amazing, all materials were cleaned up and removed from the house and the workmanship very impressive.
One feature that really stood out for me which shows a high level of professionalism was that we had various condensation hoses from the furnace , humidifier and an air filtration unit meeting at the one drain, the installation crew ran PVC tubing including elbows along two sides of the furnace to guide the hoses into one PVC tube at the drain, it looks great!
When the install was completed and tested the Twintech technician guided us through the features and recommendation's for care of the new furnace.
We highly recommend Twintech to anyone for the outstanding service provided to us.

by Stephen, Pickering on Twintech Heating and Cooling

I didn't hesitate to call Twintech in for a 2nd time as they did an outstanding job installing my new furnace last year. This time my 18 year old air conditioner was on its last legs. Greg and the team are top notch, highly skilled technicians. The job was executed in a timely and professional manner. Greg was extremely thorough and went the extra mile to make sure everything was operating efficiently. Lastly, Dave is a true gentleman and really made the customer experience pleasurable and worry free. Always remember that good work ain't cheap and cheap work ain't good.

by Derek, Whitby on Twintech Heating and Cooling

It's so hard to find solid companies these days, but I was very pleased to find one in Twintech. Greg and his crew were very clean, respectful and professional. We were most impressed at how all the things they said they would do, were done. Sounds strange, but usually when a contractor comes to your home they say they will take care of this and that, make sure this is done, etc but when the work starts you have to constantly remind them of your previous discussions. Greg ensured every item he said he would do was done, no reminders required. The work was done right, at a fair price and on time. We will be sure to call them when our A/C unit dies (fingers crossed that's not going to happen too soon :) )

by Patrick, Toronto on Twintech Heating and Cooling

Replaced our aging hot water tank with a tankless system. Excellent work, fast efficient and clean.

Walked us through the new system and recommended maintenance schedule.

This is our second time working with TwinTech and we are very happy with the quality of their work and professionalism.

by Troy, Toronto on Twintech Heating and Cooling

Efficient work and great follow up by the team at Twin Tech. Great product and communication.

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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!

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