HVAC companies in Duluth, MN 55806

8 HVAC companies, with local market data for this ZIP.

Area profitability, HVAC21 / 100Soft market, crowded field
Typical home value$214,000+4.2% in the past year
New homes permitted, 2025412St. Louis County
Homeowners42.1%4,459 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Dryke Plumbing & HeatingHVAC contractor · 1028 W 4th St, Duluth(218) 590-2003 · drykeplumbing.com
Gartner Refrigeration CompanyHVAC contractor · 2331 W Superior St, Duluth(218) 722-4439 · gartner1.com · 3 drivers, 3 trucks
General Heating and Mechanical Co.HVAC contractor · 1922 W Superior St, Duluth(218) 524-0734 · general-heating.com
Krause Heating & CoolingHVAC contractor · 2020 W 1st St, Duluth(218) 722-6354 · krauseheating.com
P&R Plumbing & Heating Inc.HVAC contractor · 2306 W Superior St, Duluth(218) 722-3645 · pandrplumbingandheatinginc.com
Randalls Heating and CoolingHVAC contractor · 2901 Helm St, Duluth(218) 879-4886 · RandallsHeating.com
Sid Harvey IndustriesHVAC contractor · 2023 1st St, Duluth(218) 720-6202 · sidharvey.com
General Heating and Mechanical Co.HVAC contractor · 1922 W Superior St, Duluth(218) 628-2526 · 2 drivers, 1 truck

HVAC in ZIP 55806 at a glance

Local building angle: St. Louis County permitted 412 new homes in 2025, including 164 apartment units. 6% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.