HVAC in Seattle, Washington
Best HVAC Companies in Seattle
Seattle (population about 760,000) has a competitive market of hvac companies serving the wider Washington area. Comparing providers on ratings, reviews, licensing, and price is the best way to find a professional who fits your project and your budget.
Seattle at a glance
- Population
- 755,078
- County
- King County
- Size in Washington
- #1 largest city
Source: U.S. Census Bureau, Vintage 2023 Population Estimates (POPESTIMATE2023)
What hvac labor costs near Seattle
That's the Seattle-Tacoma-Bellevue, WA metro-area median for Heating, Air Conditioning, and Refrigeration Mechanics and Installers, 31% above the national median. Because labor is the biggest line item in most hvacjobs, it's a strong signal of what you'll pay to hire in Seattle.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), 2025 · metro-area estimate · Heating, Air Conditioning, and Refrigeration Mechanics and Installers (SOC 49-9021)
Permits & licensing in Seattle
Building permits in Seattle are issued locally — confirm what your project needs with the King County or Seattle building department before work starts. Contractor licensing is handled at the state level by the Washington State Dept. of Labor & Industries — Contractor Registration, where you can verify a company's license.
Verify a license — Washington State Dept. of Labor & Industries — Contractor Registration
Top-Rated HVAC Companies in Seattle
Below are highly rated hvac companies serving Seattle and the surrounding area. Compare providers, request quotes, and find the right professional for your project.