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Ductless Mini-Splits in Columbia Heights, MN

Ductless mini-splits for Columbia Heights homes cost $4,200–$12,500 installed, depending on how many rooms and heads you need. They are the usual answer for radiator-heated bungalows that have no ducts at all, giving those houses cooling without opening the plaster.

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Mini-split installs in Columbia Heights homes

Columbia Heights has a lot of houses where ducts never existed. A pre-1930 bungalow heated by a boiler and cast-iron radiators can be hot in July with no practical way to run cooling ducts through plaster walls. A mini-split puts a head on a wall in the living room or bedroom, connected to the outdoor unit by a thin line set that fits through a small hole.

Story-and-a-halfs are the other common fit. Their upstairs bedrooms sit under the roof slope, behind knee walls, with at most a duct or two reaching them. One head upstairs usually fixes the summer heat without disturbing the rest of the house.

Basements are cramped here, so mini-splits also help in an ordinary rambler where a taller furnace and coil won't fit. We plan the line-set route and the outdoor unit location before drilling.

Updated November 10, 2026

What affects the price of a mini-split in Columbia Heights?

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. Pricing follows the pre-1930 bungalow layout: radiator-heated houses need a head per living space, and a story-and-a-half's upstairs bedrooms often need one more. Compare central AC vs ductless costs.

Are there rebates for a mini-split in Columbia Heights?

Xcel's heat pump rebates, which include mini-splits and cold-climate mini-splits, work 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.

Mini-splits in Columbia Heights: questions

Does a Columbia Heights mini-split mean cutting into our plaster walls?

Very little. Each indoor head needs one core hole a few inches across through the exterior wall behind it for the line set and condensate drain, and the head mounts on a plate screwed to the wall. The boiler and radiators stay as they are. A cold-climate model can also supply some heat in spring and fall, which lets the boiler rest.

How many heads does a small Columbia Heights house need?

Many need only one or two. A 1,000-square-foot bungalow often cools well with a head in the main living area and one upstairs or in the largest bedroom. More heads raise the price toward the top of the range. We look at where you actually spend your time and quote that, in writing.

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