AirProHQ
Duluth, MN · Updated Oct 2026

54 HVAC contractors in Duluth — 53 with a license we could verify.

AirProHQ lists 54 heating and cooling companies in Duluth, MN; 53 (98%) match a license on the Minnesota DLI register. The 55803, 55811, 55806 ZIP codes hold 54% of them. Of those 53, 45 are current and 8 have passed the expiry date shown on the register; those listings say so. These listings come from the license register rather than review sites, so most carry no public rating — a verified license with no reviews is normal here, not a warning sign.

Duluth at a glance
License boardMinnesota DLI
Licenses renewing within 90 days7
Verify a license on the Minnesota DLI lookup

How we check every listing: our full verification methodology.

54Contractors listed
53License-verified · 98%

53 license-verified shown first, then 1 unverified · distances from the center of the listed offices

Sorted: license status, then name

HVAC contractors in Duluth, MN

14 more in DuluthZIPLicenseContact
Simco Electric LLC55803VerifiedMB100481CallProfile
Stone Plumbing And Heating Inc55803VerifiedMB695195CallProfile
Sundland Plumbing & Heating LLC55803VerifiedMB003345CallProfile
The Jamar Company55807VerifiedMB003320CallProfile
Veterans Heating & Cooling55810VerifiedMB728643CallProfile
A W Kuettel & Sons Inc55811ExpiredCallProfile
Blesener Heating & Air Conditioning55803ExpiredCallProfile
Carlson Bros Inc55802ExpiredCallProfile
Design Heating LLC55803ExpiredCallProfile
Guthrie Plumbing & Heating LLC55811ExpiredCallProfile
Krause Sheet Metal & Heating Inc55806ExpiredCallProfile
Mmt Heating & Cooling Inc55811ExpiredCallProfile
Zenith City Mechanical, LLC55810ExpiredCallProfile
Krause Heating & Cooling, LLC55806Not on fileCallProfile
Where they're based

7 ZIP codes hold 91% of Duluth's listed offices

Counted from the office address on each record. A contractor based near you usually means a shorter response window on a hot afternoon.

  1. 015580312
  2. 02558119
  3. 03558068
  4. 04558048
  5. 05558075
  6. 06558024
  7. 07558103
A G Obrien Plumbing & Heating CoA W Kuettel & Sons IncArtisan Renovations And Builders LLCBills Plumbing And Heating LLCBlesener Heating & Air ConditioningBluestone Construction LLCCarlson Bros IncCarlson Duluth CoD G Solem & Sons LLCDesign Heating LLCDuluth Stove & Fireplace LLCEasyliving Services LLCGartner Refrigeration CompanyGuthrie Plumbing & Heating LLCHarbor Mechanical IncorporatedHeirloom Property ServicesHietala Plumbing & HeatingHumes Plumbing & Heating LLCIntegrity Mechanical Services LLCJsn Mobile Home HeatingKb Plumbing & HeatingKrause Heating & Cooling, LLCKrause Sheet Metal & Heating IncL & S Plumbing & Heating LLCLetourneau Heating & Refrigeration LLCMedlin Construction LLCMicks Plumbing LLCMmt Heating & Cooling IncModern Mechanical And Automation LLCMurphs Plumbing & Heating LLCNorth Lakes Plumbing Heating And Air LLCNorthern Sun Plumbing & Heating LLCNorthland AirNorthstar ServicesPlumbing And Heating Solutions IncPolar Plumbing Heating & Air IncPremier Companies IncR J Mehrman & Sons IncRg Brown Plumbing & Heating LLCRn Plumbing And Heating LLCSheet Metal Solutions LLCShubitz Plumbing & Heating LLCSimco Electric LLCStone Plumbing And Heating IncThe Jamar Company 55803558115580655804
49 of 54 listings have a geocoded office address. Dots are offices, not service areas.License verifiedNot verified24/7
Know the fair price

What HVAC work costs in Duluth

National 2026 ranges from our cost guides. Ask any contractor for a written, itemized quote and compare it against them.

JobTypical cost
Diagnostic / service call$75 – $200
Capacitor replacement$100 – $250
Refrigerant recharge$200 – $600
Compressor replacement$1,300 – $2,800
Central air conditioner$3,900 – $7,900
Full HVAC (furnace + AC)$5,000 – $12,500
Sources: AC repair cost guide · HVAC replacement cost guide
Duluth FAQ

Hiring an HVAC contractor in Duluth

Answers built from Duluth's own listing data.

01

How do I check a Duluth HVAC contractor's license?

Ask for the license number and search it on the Minnesota DLI lookup (official site). 53 of the 54 listings here already match an active license; each of those profiles links straight to the lookup.

02

Why do most Duluth listings show no reviews?

Our Duluth data comes from the Minnesota DLI license register, not from review sites, so many licensed one-truck operations have no public review profile. A verified license with no reviews is not a red flag — ask for two recent local references instead.