Central AC vs Ductless: Which Costs Less to Install?
Central AC ($5,200–$9,800) or ductless ($4,200–$12,500)? Which costs less to install in Minnesota depends on your ducts, with national ranges and close calls.
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Mini-split installation in Bloomington costs $4,200–$12,500, from one head to several zones, for finished basements and added rooms. They suit finished basements and added rooms that the original ducts never reached well.
Bloomington's postwar ramblers were ducted for the house as it was drawn. When someone finishes a corner of the basement or closes in a back porch, the old trunk lines rarely stretch far enough, and a single wall head fills the gap without cutting into floor joists. The line set can usually follow a basement wall to the outside, which keeps the work tidy in a house where the furnace room is already crowded.
On the west side, the 1970s and 80s split-levels and walkouts have floors that never match each other. A bedroom level that runs warm in July or a lower level that stays cool in January can get its own head instead of a duct rebuild. We plan head locations around furniture and windows before drilling, and we tell you plainly when a duct fix would cost less than a head.
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. The price tracks how many finished basement corners or closed-in porches need heads, and whether each line set can follow a basement wall instead of crossing joists. Compare central AC vs ductless costs.
CenterPoint's heating rebates cover high-efficiency furnaces and boilers and let you choose your own dealer, and it pays toward a ducted heat pump when the heat pump is paired with a gas furnace. Xcel's heat pump and central AC rebates are handled 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.
Symptom guides: Refrigerant change · Aux vs emergency heat · Blowing cold air · Signs a mini-split makes sense for your house
Yes, and it is one of the most common fits. A wall head or a ceiling cassette between joists heats and cools the basement without adding to the existing ducts, and the furnace keeps running upstairs. We size the head to the actual room, since a basement with newer insulation needs less than the same space did decades ago.
A multi-zone outdoor unit can feed several heads on different floors, which means one condenser on the lot instead of two. The heads share a compressor, so each room should be close to the size its head is rated for. If the rooms are far apart, two separate single-zone systems can be the better answer.
Central AC ($5,200–$9,800) or ductless ($4,200–$12,500)? Which costs less to install in Minnesota depends on your ducts, with national ranges and close calls.
Read the guideHVAC zoning gives each floor its own thermostat and motorized dampers on one furnace and AC. HomeGuide puts a 2–3 zone retrofit at $1,700–$3,500 nationally.
Read the guideMini-split or central air? In Minnesota it turns on your ducts and heat source. Installed with us, AC runs $5,200–$9,800 and ductless $4,200–$12,500.
Read the guideHeat out? AC quit? Call or send a request.