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Heat Pump Myths Ontario Homeowners Should Stop Believing
Posted On: November 30, 2025
Heat pumps have surged in popularity across Ontario thanks to their efficiency, cold-climate performance, and ability to replace or supplement traditional heating systems.
But with the rise in interest comes a rise in misinformation.
Many Ontario homeowners still hesitate to make the switch because of outdated assumptions or myths that no longer reflect today’s technology.
Below are the most common heat pump myths—debunked—so you can make informed decisions about your home’s comfort and energy efficiency.
Myth #1: Heat Pumps Don’t Work in Ontario Winters
This may have been true for older heat pump models, but modern cold-climate heat pumps are engineered specifically to operate efficiently in freezing temperatures.
Many systems continue delivering dependable heating at temperatures below –25°C.
Thanks to advancements like variable-speed compressors and improved refrigerants, today’s heat pumps maintain strong performance even through harsh Ontario cold snaps.
Myth #2: Heat Pumps Only Provide Air Conditioning
Heat pumps both heat and cool your home.
In summer, they work like an air conditioner; in winter, they extract heat from outdoor air and move it indoors.
Even in frigid weather, there is enough thermal energy outside for a cold-climate heat pump to operate.
That means one system provides year-round comfort.
Myth #3: Heat Pumps Are Too Expensive to Run
Many homeowners assume heat pumps cost more to operate than natural gas systems.
In reality, heat pumps are among the most efficient home heating systems available, and they can significantly reduce electricity consumption compared to electric resistance heating, baseboards, or older furnace/AC setups.
With Ontario’s energy prices and incentives, heat pumps often deliver substantial long-term savings.
Myth #4: Heat Pumps Can’t Heat Large or Older Homes
Heat pump systems come in a wide range of sizes and configurations.
With proper load calculations and professional installation, they can heat:
Older homes
Multi-level houses
Homes with additions
Larger floor plans
Ducted, ductless, and hybrid systems ensure there’s a solution for virtually any home type in the Durham Region and Toronto.
Myth #5: Heat Pumps Are Noisy
Modern heat pumps are remarkably quiet—many operate at noise levels lower than a conversation.
Thanks to variable-speed technology, the outdoor unit often runs at low, steady speeds instead of loud on/off cycles.
If noise is a concern, your HVAC installer can recommend models specifically designed for ultra-quiet performance.
Myth #6: They Don’t Last as Long as Furnaces
Heat pumps have become more durable in recent years, especially cold-climate models built for regions like Ontario.
With proper maintenance, many systems last 15–20 years, similar to furnaces and air conditioners.
Some premium brands also offer extended or top-tier warranties, protecting your investment long-term.
Myth #7: Heat Pumps Require Major Renovations
Heat pump installation is usually straightforward.
Depending on your home, you may need:
A ducted unit that connects to your existing ductwork
Ductless wall-mounted units
A combination of both
In most cases, homeowners don’t need extensive upgrades—just a professional assessment to ensure proper sizing and setup.
Myth #8: Heat Pumps Aren’t Environmentally Friendly
Heat pumps are one of the greenest HVAC options available.
Because they move heat instead of burning fuel, they reduce greenhouse gas emissions and lower your home’s carbon footprint.
Pairing a heat pump with Ontario’s increasingly clean electricity grid makes them even more environmentally beneficial.
Heat Pumps: A Smart Choice for Ontario Homes
Modern heat pumps are efficient, quiet, reliable, and perfectly suited for Ontario’s winter climate.
If you've been unsure about switching to a heat pump because of outdated information, now is the perfect time to explore your options.
Twintech Heating & Cooling proudly installs, services, and maintains heat pumps across the Durham Region and Toronto—helping homeowners stay comfortable while saving energy.
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See What Our Customers Are Saying:
Jun 5, 2018
All interactions from sales to installation were Courteous and professional. The installation was seamless and the attention to detail including clean up was outstanding. I highly recommend TwinTech Heating and Cooling.
May 17, 2018
Twintech's Salesman Dave arrived promptly was friendly and courteous, listened and assured us the installation would be completed according to our requests. The crew arrived early morning on May 11th, 2018 and worked through till late afternoon non-stop. They were very friendly, very professional, their expertise was excellent, their workmanship outstanding and the installation was completed in a timely and efficient manner. We were completely satisfied and happy with the quality of the work.
May 9, 2018
I had cold and hot spots all over my 70 yr old home. My furnace is quite new and Greg optimized the fan and furnace. The original installer just took it out of the box with factory settings and installed it- basically running at 50% of capacity. Greg also routed heat into my laundry room, yeah - so now I can renovate laundry room - thanks Greg. He is honest, professional and knowledgeable. I will be calling him back in the spring to optimize my AC as well.
May 8, 2018
Wonderful from beginning to end. I tend to fret and worry about home improvements but the excellent team at TwinTech put my mind as ease. They listen, they are patient and best of all ... the work they did is amazing! I chose the Goodman 80K BTU 2 stage furnace and the matching Goodman air conditioner. Greg, Grant and Poitr "Peter" arrived on time, took great care, explained everything to me and they answered all of my questions. They carefully adjusted the factory settings to optimize the furnace for my house and they also checked the duct work in the basement. Dave, the Sales Manager, came by to say "hello" and to see if I was happy. YES, I am happy with the work! The furnace is very quiet. I have it running on low just to circulate the air in the house and it's so much quieter than my old furnace. When I need new duct work for an upcoming basement renovation TwinTech will be my first choice. I highly recommend TwinTech. PS. They were even nice to my dogs.
Apr 21, 2018
Greg was prompt on the scheduled day of installation and the work was done well within the time estimated beforehand. Installation was neat and the equipment and scope of work was as specified in the quote. One item I must point out is that we were faced with a "No Heat" situation the day before the scheduled installation and Greg came out to address it free of charge. Not only that, but he also corrected an installation fault with our smart thermostat that was not part of the original job, again free of charge.
Mar 16, 2018
Greg came by to do a routine furnace checkup. He was very knowledgeable and professional, letting me know what's being checked/adjusted and giving me tips to ensure everything runs smooth. Very honest and upfront about what's working fine vs. what may need to be fixed/replaced. He didn't attempt to up sell anything that wasn't necessary. I'm glad to have finally found someone I can trust and rely on for all my HVAC needs - furnace, A/C, and hot water tank.
Mar 4, 2018
I'm very happy with the work that was done. Everyone from salesperson to the installers were friendly and professional. They were on time and cleaned up the job site after it was installed. They also answered all my follow up questions promptly. I wouldn't hesitate to work with them or recommend them again.
Feb 28, 2018
Thanks to the team at Twin Tech for a great job installing my new heat pump/ac unit. The guys were very polite and professional. When they left you would never have known they had been there except for the new Mitsubishi unit on the wall!! would highly recommend the Twin Tech team.
Feb 28, 2018
Installed professionally, no delays, no rework needed. Very reliable contractor and sales person. Also installed BBQ gas line and some duct work.
Feb 19, 2018
Greg and Grant are friendly, reliable, and knowledgeable HVAC professionals. The twins, Dave and the entire team provided efficient top quality service. Our family plns to use Twintech for all of our future HVAC needs.
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