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HVAC tech breaks down what happens to heat pumps in bitter winter conditions: 'Should you run [it] in this kind of weather?'

He braved cold and snowy weather to prove just how well heat pumps work.

Despite being one of the most efficient and reliable HVAC systems out there, heat pumps have been the subject of years of disinformation regarding their performance in winter.

Photo Credit: iStock

Despite being one of the most efficient and reliable HVAC systems out there, heat pumps have been the subject of years of disinformation regarding their durability in cold climates. 

To disprove incorrect notions about the technology, one HVAC expert uploaded a post to Facebook. He braved cold and snowy weather to prove just how well heat pumps work, regardless of the temperatures outside.

"I know there's been a lot of controversy on 'should you run your heat pump in this kind of weather?'" he said in the post.

Our owner instructs to let 'em run!!! This video demonstrates the durability of our OXBOX brand piece of HVAC equipment that we've been proudly installing for five years. Also, tonight we're going to demonstrate how the heat pumps can actually heat efficiently even in single-digit conditions.

Posted by Arctic Refrigeration Heating and Air LLC on Sunday, January 25, 2026

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Even in frigid conditions, the heat pump system in the Facebook post chugged along. Many heat pumps offer an auto-defrost mode to remove ice from the outdoor units. This can prevent efficiency loss and damage to the system during cold weather. 

After this process, the heat pump can return to its heating function and warm your home without issue. If you're looking for reliable advice about home heating upgrades, TCD partner Mitsubishi can help you understand your HVAC options and slash your energy bills via a new, efficient system.

Smart upgrades that slash monthly bills

Whether you install a heat pump or another high-efficiency HVAC system, you have plenty of options to get the best deal possible. This includes everything from purchasing a system to leasing one.

Mitsubishi can help you find efficient heating and cooling solutions for your home and connect you with trusted installers
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