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 cost $4,200–$12,500 installed in Golden Valley, depending on the number of heads. They are a common answer for mid-century modern houses with low-slope roofs, no attic and no practical place for ducts, plus additions at the end of long duct runs.
Golden Valley's best-known houses are the mid-century modern designs near Tyrol Hills and Sweeney Lake, and many have no attic and no place to hide a duct. Cooling them often means adding a central system through finished ceilings, which is expensive and visible. A ductless head can cool a living room or a primary bedroom with only a small line set to the outside.
The houses also have glass walls and open plans, so one room can run hot while another is fine. A mini-split lets you cool or heat the problem room without changing the rest of the house, and we choose head styles that sit quietly against clean lines.
The ramblers and split-levels have a different issue. Additions such as sunrooms and family rooms often sit at the far end of the ductwork, with weak airflow. A single head there is often cheaper than rebuilding the duct run.
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. Mid-century houses with glass walls and open plans may need only a head or two, but an addition at the end of a long duct run adds one. Compare central AC vs ductless costs.
For a mid-century house going ductless, Xcel's heat pump rebates list mini-splits and cold-climate mini-splits, and they run through its Trade Partner Network, so 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.
Yes, it is often the best fit. Without an attic, central cooling needs ducts through ceilings or soffits, which is costly in a finished house. A ductless system needs only a small hole for each head. We look at where the head and line set can go so that they stay out of the architecture.
Often, yes. A sunroom or family room at the end of the duct run gets weak airflow, so one head in the room can cool it without altering the existing system. Whether it also supplies winter heat depends on the room's size and glass. We size from the room itself and quote the work 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 guideThe Daikin FIT is a slim, side-discharge heat pump for tight lots. Its cold ratings, snow setup, backup and warranty in Minnesota, from $7,500 installed.
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 guideHeat out? AC quit? Call or send a request.