12 Best Plumbing & Heating in Duluth, MN (2026) — Vetted
Why Duluth winters make timely Plumbing & Heating essential
Long, lake-effect winters and frequent subzero spells mean timely furnace repair is essential in Duluth. Finding the best furnace repair companies in Duluth, Minnesota helps homeowners schedule fast repairs before a cold snap. This is especially important for older brick homes that lose heat quickly on nights with high winds.
Quick Picks
Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.
Compare top Furnace Repair providers in Duluth
| # | Provider | Score | Years | Best for | |
|---|---|---|---|---|---|
| 1 | KKrause Heating & Cooling | 83 | 5.0 (90+) | 44+ | ★ Highest Vouched Score |
Editorial: Same-day emergency response and 24-hour furnace service during the heating season are advertised. Union-trained technicians and in-house sheet metal work support precise repairs. Family-run since 1982, with 40+ years serving Duluth and Superior. Duluth winters bring long cold snaps, and local crews note fast on-call availability. The website lists free, no-obligation estimates and financing options. Strengths:
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| 2 | SStone Plumbing and Heating Inc. | 81 | 4.9 (475+) | 20+ | Commercial Furnace Repair |
Editorial: Stone Plumbing and Heating advertises 24/7 emergency response and same-day service. Stone Plumbing and Heating notes over 20 years serving Duluth and nearby towns. The company lists commercial furnace repair and light-commercial heating capability. Reviews reference fast, same-day no-heat repairs after hours in Duluth's cold winter conditions. Strengths:
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| 3 | NNorthStar Heating and Cooling | 80 | 4.8 (380+) | 27+ | Most Transparent Pricing |
Editorial: NorthStar Heating and Cooling states a repair-first approach to furnace diagnostics and repairs. NorthStar Heating and Cooling notes specialization on Amana furnaces while servicing all makes. NorthStar Heating and Cooling advertises same-day appointments and 24/7 emergency response. NorthStar Heating and Cooling has been serving Duluth-area homeowners for 25+ years. NorthStar Heating and Cooling earns reviewer praise for quick scheduling and clear explanations. Strengths:
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| 4 | KKalkbrenner Plumbing & Heating Inc | 79 | 5.0 (230+) | ||
Editorial: Furnace repair and diagnostics appear prominently in Kalkbrenner's service listings. Kalkbrenner states flat-rate, upfront pricing for jobs. Kalkbrenner advertises 24/7 emergency service with same-day response. Kalkbrenner notes over 30 years serving Duluth-area homes. Kalkbrenner's testimonials cite on-time arrivals and quick repairs. Strengths:
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| 5 | AA G O'Brien Plumbing & Heating Co | 78 | 4.8 (405+) | 92+ | |
Editorial: A.G. O'Brien says they provide residential and commercial furnace repair and service. A.G. O'Brien has operated in the Northland for 90+ years. The website notes free estimates for heating and plumbing projects. Duluth's lake-effect cold makes reliable furnace service essential in winter months. Strengths:
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| 6 | AAdvantage Air Plumbing, Heating, & Cooling | 72 | 4.6 (65+) | 12+ | |
Editorial: Advantage Air advertises 24/7 emergency and same-day heating response for no-heat calls. Advantage Air notes serving the Twin Ports since 2014, about 10+ years. Advantage Air lists maintenance plans with priority scheduling and discounted repairs. Technicians install cold-climate-rated equipment for Duluth's subzero winters. Testimonials cite clear explanations from technicians on diagnostic findings. Strengths:
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| 7 | PPlumbing and Heating Solutions Inc | 71 | 5.0 (80+) | ||
Editorial: Plumbing and Heating Solutions lists furnace and heating services, including installations and diagnostics. Strengths:
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| 8 | VVeterans Heating & Cooling | 71 | 4.9 (100+) | ||
Editorial: Veterans Heating & Cooling lists furnace repair and heating services on its website. The company maintains a local office at Jeffrey Road in Duluth. Veterans Heating & Cooling shows 100 Google reviews, indicating repeated local work. Duluth winters demand reliable heating during cold snaps and local crews understand that urgency. Strengths:
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| 9 | DDesign Heating, LLC | 71 | 4.9 (110+) | 10+ | Combustion-Safety DiagnosisGas Valve & Combustion RepairNATE-Certified Shop |
Editorial: Design Heating leads with NATE-listed technicians and geothermal credentials per their site. Manual J sizing is used for every system design. Combustion analysis and commissioning are documented for manufacturer warranties. Design Heating notes 10+ years serving Duluth's cold winters and Twin Ports neighborhoods. Reviews cite fast diagnosis and thorough project follow-through. Strengths:
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| 10 | HHarbor Mechanical Inc | 71 | 4.9 (115+) | 30+ | |
Editorial: Lists a 24-hour emergency access line for no-heat calls. Notes over 30 years of experience on its website. Serves commercial furnace customers and light-commercial projects. Site testimonials mention quick, efficient installations. Duluth winters mean frozen pipes and urgent heating needs, and the company highlights emergency availability. Strengths:
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| 11 | MMMT Heating & Cooling | 63 | 4.7 (25+) | 33+ | Manufacturer-Authorized Repair |
Editorial: MMT Heating & Cooling lists furnace repair and diagnostics as a core service. Manufacturer partnerships include Bryant authorization and Mitsubishi Diamond Contractor status. MMT notes 24-hour emergency response for Duluth-area no-heat calls. MMT reports 30+ years in business, founded in 1993. Website testimonials emphasize prompt emergency repairs and timely service. Strengths:
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| 12 | CCarlson Duluth Company | 55 | 4.0 (60+) | ||
Editorial: Carlson Duluth Company lists furnace repair and diagnostics among its core services. The company advertises 24/7 emergency response for no-heat calls. Per their site, free estimates and financing are available for repairs. Their portfolio highlights work across Southern St. Louis County, relevant to Duluth's cold winters. Carlson Duluth cites four generations of experience and union-trained crews. Strengths:
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Typical Furnace Repair costs in Duluth, MN (2026)
Last updated
Estimated ranges for Duluth, MN. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Furnace service call / diagnostic fee | $80–$210 |
| Flame sensor cleaning / replacement | $85–$260 |
| Hot surface igniter replacement (installed) | $155–$465 |
| Furnace gas valve replacement (installed) | $310–$780 |
| Draft inducer motor replacement (installed) | $310–$830 |
| Furnace control board replacement (installed) | $415–$935 |
| Heat exchanger replacement (repair-vs-replace inflection) | $1,050–$3,650 |
| Emergency / after-hours no-heat service premium | $155–$520 |
Nearby Minnesota furnace repair pricing: Blaine · Bloomington · Brooklyn Park
See broader context: Furnace Repair pricing in Minnesota · Furnace Repair pricing nationwide
How were these Plumbing & Heating providers evaluated for Duluth homeowners?
This evaluation compared 12 Duluth furnace repair providers on Google review scores, years in business, emergency availability, pricing models, and self-reported credentials. Primary signals were Google Maps review data and provider-published service details such as flat-rate pricing, emergency response, and certification claims.
- NorthStar Heating and Cooling lists flat-rate pricing and 24/7 emergency response, per their published service details.
- Krause Heating & Cooling reports same-day emergency response and 40+ years in business on its site.
- Stone Plumbing and Heating Inc. notes 24/7 emergency availability and shows a high Google rating of 4.9/5.0.
- Kalkbrenner Plumbing & Heating Inc lists flat-rate pricing and 24/7 emergency response, per provider materials.
- Design Heating, LLC states NATE certification and Manual J sizing capability on its listings.
- A G O'Brien Plumbing & Heating Co advertises free estimates and 90+ years in business on public profiles.
- MMT Heating & Cooling reports a Bryant Authorized Dealer relationship, per its manufacturer-dealer listing.
- Carlson Duluth Company says they offer free estimates and emergency service, but their Google sentiment score is lower than peers.
Aggregate signals came from Google Maps review counts and ratings, plus provider-published claims about pricing, emergency hours, certifications, and dealer status.
Key public data sources used include Google Maps review data and provider-published service pages; some credential claims were cross-checked against BBB or state licensing records where available.
How do I choose a Plumbing & Heating Company in Duluth?
- Verify license and insurance information with the state licensing board.
- Compare Google review ratings and total review counts for recent patterns.
- Confirm emergency response windows and any advertised same-day availability.
- Request written pricing estimates and check for flat-rate options.
- Check certifications and manufacturer-dealer status for installed equipment compatibility.
4 furnace problems Duluth homeowners see most during winter storms
The most common furnace problems Duluth homeowners see during winter storms stem from prolonged lake-effect cold and frequent subzero spells. Those conditions drive cracked heat exchangers, frozen condensate or drain lines, ignition failures, and blocked vents, all worsened by extended runtimes and heavy snow.
- Cracked heat exchangers: Prolonged lake-effect cold and frequent subzero spells force furnaces to run continuously, increasing thermal stress that can crack heat exchangers.
- Frozen condensate or drain lines: Extended cold snaps in Duluth freeze condensate and PVC drains, causing blockages or high-limit trips that shut systems down.
- Ignition and pilot failures: Repeated start-stop cycles during storms and cold-soaked control components make ignition modules and pilots fail more often, requiring diagnostic service.
- Blocked vents and exhaust: Heavy snow and drifting from lake-effect storms can bury outdoor vents, causing poor combustion, elevated carbon monoxide risk, and safety shutdowns.
Why Duluth’s population size and seasonal swings affect Plumbing & Heating timing
Local furnace repair reviews Duluth Minnesota show prolonged lake-effect winters and frequent subzero spells drive urgent repair demand. Homeowners book service faster in those months, increasing call volume and after-hours requests for emergency response and diagnostic service.
Duluth's long, cold winters raise runtime and failure rates for residential furnaces.
Long runtimes increase thermal stress. That raises heat-exchanger and ignition failure risk during storms.
Because regulators require licensed and bonded contractors, look for evaluated providers who list NATE certification or similar credentials.
How furnace repair timing Duluth Minnesota shifts through the seasons
- Early fall: preventive tune-ups reduce emergency calls during the first deep cold snap.
- Peak winter: many providers report higher same-day and emergency service bookings.
- Spring thaw: condensate and venting problems surface after heavy snow melt and drifting.
Impact on capabilities and what to prioritize when choosing a repair crew:
- Emergency service availability is crucial. About two-thirds of evaluated providers advertise 24/7 emergency service.
- Flat-rate pricing reduces surprise costs during urgent winter repairs. Several evaluated providers offer flat-rate options.
- NATE-certified technicians improve diagnostic speed for complex ignition or heat-exchanger issues.
- Providers familiar with common furnace types in Duluth can shorten repair time and parts sourcing delays.
What Duluth homeowners ask most about Plumbing & Heating — quick answers
- How do I get a quote from these furnace repair companies?
- Submit one request on this page and we send it to the vetted furnace repair pros in Duluth, MN listed here. They send quotes back — no obligation.
- What does furnace repair service typically run in Duluth, MN?
- Furnace service call / diagnostic fee typically runs $80–$210, and hot surface igniter replacement runs $155–$465 in Duluth, Minnesota. See the Furnace Repair pricing table on this page for the full per-service breakdown.
- Do Duluth furnace repair companies need a business license and bond?
- Yes. Duluth requires a business license and bonding for contractors performing furnace repair within city limits. Bonding helps protect homeowners if work is incomplete or defective. Confirm the contractor shows a current city business license and proof of bond before scheduling work. Check the license number on any written estimate and ask for a copy of bonding documentation when comparing providers.
- Is insurance and workers' compensation required for furnace repair contractors in Duluth?
- Yes. Contractors must carry insurance and workers' compensation to lawfully perform furnace repairs. These cover jobsite injuries and property damage claims. Ask providers for an insurance certificate that names the company and shows active workers' compensation coverage. Keep a copy of the certificate with the invoice for warranty or claim support.
- When is Duluth's busiest season for furnace repair and emergency no-heat calls?
- Peak demand occurs during the first deep cold snaps and through the coldest winter months. Providers receive the most same-day and emergency bookings then. Book preventive inspections in early fall to avoid urgent winter outages. If a repair is needed during a storm, expect longer lead times and higher competition for same-day slots.
- How soon should I schedule a preventive furnace tune-up before Duluth's winter arrives?
- Schedule a tune-up in early fall, ideally several weeks before the first sustained subzero spell. A pre-winter inspection reduces the chance of mid-winter failures and speeds diagnostics if problems appear. Request a checklist with filter, ignition, blower, and safety control checks so the work scope is clear when comparing quotes.
- How can homeowners tell if a heat exchanger needs replacement after heavy winter use?
- Visible cracks or a persistent combustion odor often indicate a heat-exchanger issue requiring replacement. Carbon monoxide alarms tripping or repeated flame-rollout faults are also warning signs. Have a licensed technician perform combustion and CO testing and document results before authorizing a heat-exchanger replacement.
- What should I expect from gas furnace combustion and safety testing in Duluth?
- A licensed technician will inspect burner operation, venting, and perform a combustion analysis and CO check. They will also test safety switches and pressure switches. Ask for written test results and any corrective recommendations. Retain those records for permit or insurance follow-up if further work is required.
- What are common causes of intermittent blower failure during Duluth cold snaps?
- Blower issues often stem from motor wear, electrical control faults, or frozen condensate and venting problems after heavy snow. Diagnosing requires motor amperage checks and control-board inspection. Look for providers who document electrical tests and provide a parts-versus-repair recommendation when motors show high current draw.
- How quickly do Duluth technicians typically respond to ignition or flame-sensor failures?
- Response times vary with season and provider; winter storms increase wait times significantly. Many evaluated providers advertise emergency service availability. Confirm same-day or next-business-day options when booking during peak months. Ask whether the visit includes diagnostic fee credit if repairs follow the inspection.