Furnace Repair and Replacement That Keeps Your Home Warm All Winter

NMS Mechanical provides dependable furnace repair and replacement in Lakeville, MN, and across the Twin Cities Metro and surrounding areas. When the temperature drops, a struggling furnace is more than an inconvenience, so our skilled team works to find the problem quickly and explain your options in plain language. Call (952) 451-8923 to schedule furnace service and get the heat back where it belongs.

Warning Signs Your Furnace Needs Attention Before the Next Cold Snap


Small symptoms often point to bigger problems. Watch for these red flags:

Uneven or Weak Heat

Some rooms stay chilly while others run warm.

Climbing Energy Bills

Heating costs rise even though your habits have not changed.

Strange Noises

Banging, rattling, squealing, or grinding from the unit.

Frequent Cycling

The furnace shuts on and off more often than it should.

Cool Air From the Vents

The blower runs, but the air never warms up.

Advancing Age

Your furnace is 15 years old or more.

Catching these early can mean a simpler fix and fewer surprises in the middle of January.

Furnace Repair for Every Make and Model


We work on all brands of furnaces, not only the ones we install. Our technicians are trained to pinpoint the root cause quickly, so you are not paying for guesswork. Common repairs include:

Full system diagnostics

Full system diagnostics to identify what is really going wrong

Ignition and burner problems

Ignition and burner problems that keep the furnace from starting or staying lit

Blower and airflow issues

Blower and airflow issues that leave rooms underheated

Thermostat and control problems

Thermostat and control problems that cause erratic temperatures

Worn part replacement

Worn part replacement to restore dependable operation

Seasonal tune-ups

Seasonal tune-ups that help prevent breakdowns before winter hits

Basement furnace and HVAC system with metal ductwork and a humidifier unit.

Furnace Replacement Options From Carrier, Liberty, and Lennox


Furnace and HVAC ductwork in a basement utility area beside storage furniture.

As an authorized Carrier, Liberty, and Lennox dealer, we can match your home with a high-efficiency furnace built for Minnesota winters. Your replacement can include:

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Equipment matched to your home and comfort goals

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Quieter operation options for a more peaceful house

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Smart thermostat installation for easier temperature control

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Ductwork review so your new furnace performs the way it should

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Boiler-to-furnace conversions that replace an old boiler, piping, and radiators with a forced-air system and new ductwork

Modern furnaces use fuel more efficiently than older models, which can help lower your heating costs over time.

Furnace Repair and Replacement FAQs


  • How long does a furnace usually last?

    Many furnaces last about 15 to 20 years, depending on how well they are maintained and how hard they work. If yours is approaching that range and needs frequent repairs, replacement may be the smarter investment.
  • Why is my furnace running but blowing cool air?

    Causes can include a thermostat setting, a dirty filter, or an ignition or airflow problem. Check your thermostat and filter first, and if the air still runs cool, schedule a service visit.
  • What should I do if I smell gas near my furnace?

    Leave the house right away and avoid using light switches or phones inside. Call your gas utility or 911 from outside, and contact us for furnace service once it is safe.
  • Will a new furnace lower my heating bills?

    Newer, higher-efficiency furnaces use less fuel to produce the same amount of heat. Your savings depend on your current equipment, your home, and how you use it.
  • Can I have a furnace replaced in the middle of winter?

    Yes. Replacements can be scheduled whenever you need one, and we will work with you on timing based on our availability.
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Get Your Furnace Running Strong Again Today


Call (952) 451-8923 to schedule furnace repair or replacement with a family-run team that treats your home with care.


Available Monday through Friday, 8 a.m. to 6 p.m.