HSPF2 and COP: Heat Pump Ratings for Minnesota Winters
HSPF2 is a seasonal average; COP is efficiency at one temperature. For a Minnesota winter, compare capacity and COP at 5°F. Our heat pumps run $7,500–$14,500.
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Expect $4,200–$12,500 installed for ductless mini-splits in New Hope, on a flat-rate written quote, for finished split-entry lower levels. They are a practical fix for finished lower levels with supplies and no returns, and for split-entry floors that never balance on one thermostat.
A finished lower level in a New Hope split-entry usually got supplies without returns. Those rooms are cool in winter and stuffy in summer, and the air has nowhere to go. A mini-split head in a finished lower level gives it its own heating and cooling, independent of the original ducts.
Split-entries have a second problem: the upper level gets the sun and the lower runs cool, with one thermostat in between. A head on the warmer floor lets you cool it without chilling the other. For the family room that is always off from the rest of the house, it often works better than adjusting dampers.
The outdoor unit goes on a side-yard pad or a wall bracket, clear of the dryer vent and the roof drip line, and a multi-zone cabinet lets two heads share it.
Updated November 10, 2026
Our $4,200–$12,500 installed price comes as a written flat-rate quote, with a 2-year labor warranty on top of the manufacturer's parts warranty. Lower levels finished with supplies and no returns need one head each, and a split-entry's imbalance between upper and lower floors may justify a second. Compare central AC vs ductless costs.
Both work, and the choice depends on the room. Adding a return to the existing system fixes the air path and costs less if the ductwork is reachable. A mini-split gives the room its own control and doesn't depend on the old ducts. We look at the basement and quote whichever fits, or both.
Usually a small multi-zone unit, sized to the combined load of the two rooms rather than the whole house. We calculate each room, add them, and match the outdoor cabinet. Oversizing wastes money and cycles too often. We quote the exact setup in writing before anything is ordered.
HSPF2 is a seasonal average; COP is efficiency at one temperature. For a Minnesota winter, compare capacity and COP at 5°F. Our heat pumps run $7,500–$14,500.
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