HVAC companies in Seattle, WA 98118
4 HVAC companies, with local market data for this ZIP.
General contractors 24HVAC 4Garage doors 3Carpentry, drywall and windows 2Other construction trades 2Roofing and exteriors 2Concrete and masonry 1Electricians 1Painting 1
Area profitability, HVAC77 / 100Strong market, balanced field
Typical home value$707,000−2.4% in the past year
New homes permitted, 20258,505King County
Homeowners57.1%18,593 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
MacDonald-Miller Facility SolutionsHVAC contractor · 3701 S Norfolk St, Seattle(206) 763-9400 · macmiller.com
Mark’s Mini SplitsHVAC contractor · 4527 Rainier Ave S, Seattle(206) 752-2869 · marksminisplits.com
Nortech Heating, Cooling & RefrigerationHVAC contractor · 9630 49th Ave S, Seattle(206) 366-5600 · nortechservices.com
Universal Appliance and RefrigerationHVAC contractor · 9243 Martin Luther King Jr Way S, Seattle(206) 790-8142 · uaacr.com · 2 drivers, 1 truck
HVAC in ZIP 98118 at a glance
Local building angle: King County permitted 8,505 new homes in 2025, including 5,102 apartment units. 25% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.