❄️ Official Rankings
10 Best HVAC in Duluth, MN (September 2026)
We compared 10 hvac serving Duluth and Saint Louis County, Minnesota, and ranked the top providers by verified reviews, ratings, and local reputation — 477 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Krause Heating & Cooling. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 477
- Area code
- 218
⭐ 5.0 · 90 reviews
2020 W 1st St, Duluth, MN 55806
⭐ 5.0 · 13 reviews
5102 1/2, 5102 Dodge St, Duluth, MN 55804
⭐ 4.6 · 62 reviews
4929 Matterhorn Dr Ste 6, Duluth, MN 55811
⭐ 5.0 · 5 reviews
2231 W 1st St, Duluth, MN 55806
⭐ 5.0 · 3 reviews
1905 W Superior St, Duluth, MN 55806
⭐ 4.5 · 12 reviews
1922 W Superior St, Duluth, MN 55806
⭐ 5.0 · 2 reviews
2331 W Superior St, Duluth, MN 55806
HVAC listed here serve Duluth, Saint Louis County, and nearby ZIP codes including 55801, 55802, 55803, 55804, 55805, 55806, 55807, 55808, 55810, 55811, 55812, 55814 and more.