How to Size Central AC for a Twin Cities Home
Why square-foot rules oversize Minnesota air conditioners, what Manual J load calculation measures and how to read your current unit. Installs $5,200–$9,800.
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AC Replacement in St. Louis Park, MN
New central air in St. Louis Park runs $5,200–$9,800 installed, with a Manual J load calculation and a written flat-rate quote. Unducted upstairs rooms in story-and-a-halfs often get a ductless head alongside it.
AC replacements in St. Louis Park homes
An AC replacement in St. Louis Park starts with where the condenser can go. Lots are narrow, side yards can be a few feet wide, and the unit needs clearance for airflow and service plus distance from windows. Sometimes the existing spot is fine; sometimes the better place is the back of the house, which changes the line-set length and the price.
Inside, the coil sits on the furnace in a low basement, and a new matched coil can be taller than the old one. The bigger question in a story-and-a-half is the upstairs. A new central system cools the main floor well and does little for unducted upper rooms, so a common fix is to pair it with a ductless mini-split heat pump upstairs, which also heats those rooms in spring and fall. Xcel Energy is the electric utility, and since its program rules shift from year to year, ask whether a rebate needs a registered contractor.
Updated November 10, 2026
What affects the price of a new central AC in St. Louis Park?
What moves an AC quote within that range: tonnage from the Manual J load calculation, the SEER2 rating, a new coil and line set, and any electrical work. See the AC replacement cost guide or furnace and AC together.
Are there rebates for a new air conditioner in St. Louis Park?
St. Louis Park adds its own Climate Champions for Homes cost share, which can add to utility rebates on cold-climate heat pumps and heat pump water heaters. See heat pumps in St. Louis Park for how Climate Champions works. Ask us which rebates apply when we quote. Rebate programs change every year, so check the utility's current terms before you buy.
Our guides: Xcel and CenterPoint rebates, heat pump rebates.
AC replacement in St. Louis Park: questions
Is a ductless system upstairs a substitute for central air in a St. Louis Park story-and-a-half?
For the upstairs rooms, yes; for the whole house, usually not. One ductless head handles the finished upper level, where central ducts don't reach, while the main floor and basement still cool best from the ducted system on the furnace. Replacing the central AC and adding one ductless head in the same project is a common approach. Ductless systems run $4,200–$12,500 installed with us, depending on heads and capacity.
Will a new AC coil fit in our low St. Louis Park basement?
Usually, if the new coil fits under the joists. A new coil can be taller than the one coming out, and in a low basement the furnace, coil and plenum stack can run into the joists or a beam. Options include a shorter cased coil, a horizontal coil or reworking the plenum. We measure the space on the quote visit so the written price covers whatever the fit requires.
More in St. Louis Park
- Furnace repair in St. Louis Park
- Furnace replacement in St. Louis Park
- AC repair in St. Louis Park
- Heat pumps in St. Louis Park
- Mini-splits in St. Louis Park
- Boiler service in St. Louis Park
- Tune-ups in St. Louis Park
- All HVAC service in St. Louis Park
AC replacement near St. Louis Park
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Brands we install and service
Guides on AC replacement
2-Stage vs Variable-Speed AC: Which Fits a Minnesota Home?
Two-stage or variable-speed AC for a Minnesota home? How each handles humid July days, SEER2 vs EER2, furnace needs, and $5,200–$9,800 installed pricing.
Read the guideFurnace and AC Replacement Cost in Minnesota
Replacing the furnace and AC together in Minnesota costs $9,700–$19,300 installed with us. Matched coils, AHRI ratings, and when to split the job instead.
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Heat out? AC quit? Call or send a request.