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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Ductless mini-splits in Prior Lake cost about $4,200–$12,500 installed, for lake-home sunrooms and screened porches turned four-season. They are a natural fit for lake-home sunrooms, screened porches turned four-season and cabin additions that never got ductwork.
Around Upper and Lower Prior Lake, a lot of the best rooms sit at the edge of the house's heating system. A sunroom or enclosed porch facing the water is mostly glass, and a duct from the main furnace rarely keeps it comfortable in January or July. A mini-split head on that wall, sized for the glass, gives the room its own heating and cooling.
The old cabins and rebuilt lake homes bring other cases. Some have no ducts at all, and cutting in new runs through finished ceilings is hard. Thin line sets for ductless heads are easier to hide on the exterior and through a closet.
The Wilds and the nearby subdivisions have bonus rooms and lofts that run hot. Because lake lots can be tight, we pick the outdoor unit's location for sound and sightline, and then wire a head in each room.
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. A glass-walled sunroom or screened porch turned four-season needs a head sized for the glass, and old cabins with no ducts at all may need several. Compare central AC vs ductless costs.
Shakopee Public Utilities has its own rebates for ENERGY STAR heat pumps and ductless systems. Ask whether the rebate needs a registered contractor. Rebate programs change every year, so check the utility's current terms before you buy.
Our guides: Xcel and CenterPoint rebates, heat pump rebates.
Symptom guides: Extreme cold · Uneven room temperatures · Blank thermostat · Signs a mini-split makes sense for your house
A ductless head is often the right fit for a Prior Lake four-season porch. A cold-climate head can handle a glassy porch through most winter days, and it cools it in summer. Because glass loses heat quickly, we size for your coldest weather and tell you plainly if the room will stay at living-room temperature or run cooler on the coldest nights.
Yes, and additions are one of the most common uses. The addition usually has no duct connection, and extending ductwork can mean major remodeling. A head with a short line set to an outdoor unit solves it. We pick the outdoor unit location with your neighbors and sightlines in mind, then put the price in writing.
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.
Read the guideA ductless heat pump usually beats electric baseboard in a Minnesota house. We install them for $4,200–$12,500 and keep the baseboards as backup.
Read the guideMitsubishi Hyper-Heat keeps heating to -13°F, and standard models cost less. See which Minnesota rooms need it; our ductless installs run $4,200–$12,500.
Read the guideHeat out? AC quit? Call or send a request.