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Mini splits

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HeatCoolFix is a repair guide for the machines that heat and cool a home: furnaces, air conditioners, heat pumps, mini splits, thermostats and water heaters. One fault per page, checked in the order a technician checks it.

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How this site works

Every guide is a fault, not a product review. The steps are in the order a technician checks them, and the parts and numbers come from the makers’ own manuals.

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