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A comment on How a Heat Pump Works. Parent comment

Re:How a Heat Pump Works by snozolli on Friday February 10, 2023 @04:59PM (#34746520)
Most heat pumps in the United States have 100% efficiency down to about 20 degrees F. Below that they "lose efficiency."

Most things that are already installed are worse than the latest technology that's available.

That's not an argument against the latest technology.

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Re:How a Heat Pump Works by peterhunt on Friday February 10, 2023 @05:36PM (#34746942)
I’m talking about the ones sold in the United States in the last few years. Mine is a Carrier manufactured in 2022
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