HVAC companies in Great Falls, MT 59404

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

Area profitability, HVAC50 / 100Moderate market, balanced field
Typical home value$390,000+3.0% in the past year
New homes permitted, 2025253Cascade County
Homeowners84.9%11,019 households

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

B & B Heating & Air ConditioningHVAC contractor · 415 Vaughn Rd, Great Falls(406) 761-1581 · aol.com · 3 drivers, 8 trucks
Brennan Heating & CoolingHVAC contractor · 815 21st St NW, Great Falls(406) 452-1133 · brennanhc.com
Falls Mechanical ServicesHVAC contractor · 400 Central Ave W, Great Falls(406) 761-7283 · fallsmechanical.com
Gibney & SonsHVAC contractor · 6100 Vigilante Ln, Great Falls(406) 452-2300 · gibneyandsons.com
Preferred Heating & CoolingHVAC contractor · 204 38th Ave NE, Great Falls(406) 788-2919 · preferredheatingandcoolingmt.com

HVAC in ZIP 59404 at a glance

Local building angle: Cascade County permitted 253 new homes in 2025, including 76 apartment units. 19% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.