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AC Replacement in Farmington, MN

Plan on $5,200–$9,800 installed for new central air in Farmington, quoted in writing at a flat rate after a Manual J. Most systems being replaced here are builder-installed units from the 1990s and 2000s, and the 2-year labor warranty covers our work on the new one.

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AC replacements in Farmington homes

A Farmington AC replacement usually retires a builder-grade system from the 1990s or 2000s. If it's R-22, the coil comes out with it; if it's early R-410A, the coil still gets replaced to match a new R-454B or R-32 condenser. Builders sized many of those systems by square footage alone, so the Manual J may land on a different tonnage, and a two-stage compressor is worth pricing in two-stories where the upstairs runs warm.

The swap normally needs a mechanical permit, and EPA 608 certified technicians recover the old refrigerant. Rooms over the garage and upstairs bedrooms at the ends of long runs often decide whether the new system feels right, so we measure airflow before settling on equipment.

Updated November 10, 2026

What affects the price of a new central AC in Farmington?

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 Farmington?

Dakota Electric's Energy Wise Rebates cover heat pumps, ductless systems and AC tune-ups, and its quality-installation rebates need a registered contractor. Xcel customers use Xcel's heat pump and cooling rebates; 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.

AC replacement in Farmington: questions

The builder put our Farmington condenser under the deck. Can the new one go somewhere else?

Usually, and it's often worth it. Under a deck, the condenser blows hot air into the boards above and pulls it back in, and it collects leaves and snow. Most manufacturers list a minimum clearance above the unit. Moving it a few feet into open air means extending or replacing the line set and pouring or setting a new pad, which we price as a separate line so you can see what the move costs.

We're on Minnesota Energy Resources gas in Farmington. Does a heat pump make sense instead of a new AC?

It can, as a dual-fuel setup. The heat pump cools in summer and heats in milder weather, and the gas furnace takes over when it gets cold. Whether it saves money depends on your electric rate against MERC's gas rate, so bring a year of both bills. Heat pumps run $7,500–$14,500 installed with us, and Dakota Electric members should check its dual-fuel and heat pump programs.

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