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Furnace Replacement in Plymouth, MN

Across Plymouth, a new furnace costs $4,500–$9,500 installed with us, set mainly by 80% versus 96–98% AFUE and by any venting and return work. Each quote is flat-rate, in writing, and built on a Manual J. Plymouth's gas comes from CenterPoint Energy, whose heating rebate lets you pick your dealer.

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Furnace replacement in Plymouth: $79 trip charge, waived with the repair.

We'll call or text you back about this request only. Rather talk now? Call 612-429-3465.

Furnace replacement calls in Plymouth homes

A furnace replacement in Plymouth is the time to fix the ductwork the original builder undersized. Many split-levels and 1990s two-stories have too little return air, and a variable-speed blower on a new furnace either runs loud or can't deliver its rated airflow through those returns. We measure static pressure and price added returns or an enlarged return drop with the furnace.

Going from 80% to 96% means PVC intake and exhaust through a side wall, located clear of decks, window wells and drift lines, and the orphaned water heater may need a chimney liner or a power-vent replacement. For the room over the garage, staged firing and a variable-speed blower help, though sealing and insulating that one duct run often matters more. CenterPoint Energy's heating rebate doesn't restrict which dealer you hire. The City of Plymouth's home energy rebate pilot may apply to some households, so check its current rules.

Updated September 23, 2026

How much does a new furnace cost in Plymouth?

An installed furnace from us runs about $4,500–$9,500 in Plymouth: 80% AFUE roughly $4,500–$6,000, 96–98% AFUE roughly $6,500–$9,500. Same prices in Plymouth as in every town we serve. See the furnace replacement cost guide.

Are there rebates for a new furnace in Plymouth?

CenterPoint Energy handles furnace and boiler rebates across Plymouth, and it doesn't restrict which dealer installs the equipment. Heat pump and AC rebates depend on whether your electric bill says Xcel Energy or Wright-Hennepin. Xcel's heat pump rebates may require a registered contractor. Wright-Hennepin pays its air-source and ground-source heat pump rebates as a credit on your bill and wants the paperwork within 90 days of purchase. The City of Plymouth's Home Energy Rebate pilot has its own income and location rules. Rebate programs change every year, so check the utility's current terms before you buy.

Our guides: Xcel and CenterPoint rebates, heat pump rebates.

Outdoor unit of a ductless heat pump on a ledge beside a house wall and window

Signs it's time to replace your furnace

  • A cracked heat exchanger on a furnace that's out of warranty
  • The furnace is 20-plus years old and needs another major repair
  • Rooms far from the furnace never warm up on sub-zero nights
  • Gas bills climbing while your thermostat settings haven't changed
  • Repair calls two or more winters in a row
  • A burner roar or blower noise you can hear across the house
  • Replacement parts for your model are getting hard to find

More detail on our furnace installation page.

Furnace replacement in Plymouth: questions

Can we go from an 80% to a 96% furnace in our Plymouth split-level?

Usually. The new furnace vents through two PVC pipes out a side wall, so we look for a route from the utility room to an outside wall that clears decks, windows and the gas meter and sits above the snow line. The condensate goes to a floor drain or a small pump. If the water heater shared the chimney, it may need a liner. All of that is in the written quote.

Is a modulating furnace worth it in a Plymouth two-story?

It can be. Most of the season a two-story needs a fraction of the furnace's full output, and a modulating furnace can sit at low fire for long stretches, which keeps the upstairs and downstairs closer in temperature and quiets the blower. It costs more than two-stage, and the comfort gap between two-stage and modulating is smaller than the gap between single-stage and either. We price the options side by side.

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Furnace replacement in Plymouth? Call or send a request.

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We'll call or text you back about this request only. Rather talk now? Call 612-429-3465.

Call 612-429-3465Request service