How Long Do Heat Pumps Last, and What Cuts It Short
Ducted systems average 10 to 15 years and mini splits 15 to 20. Where your system lands is decided at installation more than by anything you do afterwards.
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How heat pumps actually work, in plain English. No jargon, no sales pitch.
Ducted systems average 10 to 15 years and mini splits 15 to 20. Where your system lands is decided at installation more than by anything you do afterwards.
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Contractors use these terms assuming you already know them. Here is what each one measures, and which ones actually change what you pay.
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A heat pump does not make heat. It moves heat that already exists, which is exactly why it can deliver three or four units of warmth for every unit of electricity it drinks.
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The short answer is yes, and modern cold-climate units are rated to keep producing useful heat down to -13°F. The longer answer is about capacity, not failure.
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The comparison everyone gets wrong, because they compare efficiency percentages instead of comparing the price of a delivered BTU.
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COP is the cleanest efficiency number in HVAC and the one manufacturers are least eager to put on the box. Here is how to read it.
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Equipment brand accounts for a small share of how your system performs. Installation quality accounts for most of it. Screen the installer harder than the box.
Start with the two possibilities that are completely normal, then work through the five that are not. Most cases resolve without a service call.
Mitsubishi reports faults as two-character codes and as LED blink patterns. Here is how to retrieve a code and what the major families of codes point to.
A light coating of frost in winter is expected. A block of ice encasing the coil or ice on the top of the unit is a problem you should not ignore.