HVAC companies in Johnston, IA 50131
3 HVAC companies, with local market data for this ZIP.
General contractors 18Roofing and exteriors 6Remodeling 4HVAC 3Garage doors 2Fences and decks 2Excavation and demolition 2Concrete and masonry 2Painting 2Electricians 1Other construction trades 1
Area profitability, HVAC68 / 100Strong market, balanced field
Typical home value$401,000+0.9% in the past year
New homes permitted, 20254,730Polk County
Homeowners71.1%9,659 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Gilliam Power-Vac Furnace & Duct Cleaning ServiceHVAC contractor · 6130 NW 61st Ave, Johnston(515) 270-0535 · gilliampowervac.com
Kohles and Bach Heating and CoolingHVAC contractor · 5185 NW Beaver Dr, Johnston(515) 207-6569 · kohlesandbach.com
Schaal Plumbing, Heating and CoolingHVAC contractor · 5670 NW Beaver Dr, Johnston(515) 207-2272 · callschaalyaall.com
HVAC in ZIP 50131 at a glance
Local building angle: Polk County permitted 4,730 new homes in 2025, including 2,310 apartment units. 62% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.