Proudly Serving King & Snohomish County

Endeavor Heating and Cooling is your trusted partner for residential HVAC services throughout King and Snohomish Counties. Whether you're in Seattle, Mill Creek, or Bellevue, we provide expert installation, seasonal maintenance, diagnostics, and system replacement for furnaces, heat pumps, air conditioners, and ductless mini-splits.

Licensed & Insured
Locally Owned & Operated
Fast Response Times
5-Star Rated Service

Cities & Zip Codes We Serve

  • Mill Creek – 98082, 98012
  • Everett – 98208, 98204
  • Lynnwood – 98036, 98037, 98087
  • Seattle – 98101–98199 (See Full List Below)
  • Bothell – 98011, 98021
  • Edmonds – 98020, 98026
  • Shoreline – 98133, 98177
  • Kirkland – 98033, 98034
  • Mountlake Terrace – 98043
  • Mukilteo – 98275
  • Bellevue – 98004, 98005, 98006
  • Woodinville – 98072
  • Kenmore – 98028
  • Redmond – 98052
  • Lake Forest Park – 98155
📍 View Complete Zip Code Coverage

98004, 98005, 98006, 98007, 98008, 98009, 98011, 98012, 98015, 98019, 98020, 98021, 98026, 98027, 98028, 98029, 98030, 98031, 98032, 98033, 98034, 98035, 98036, 98037, 98039, 98040, 98041, 98043, 98046, 98052, 98053, 98055, 98056, 98057, 98058, 98059, 98064, 98072, 98073, 98074, 98075, 98077, 98082, 98083, 98087, 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108, 98109, 98111, 98112, 98113, 98114, 98115, 98116, 98117, 98118, 98119, 98121, 98122, 98124, 98125, 98126, 98127, 98129, 98131, 98132, 98133, 98134, 98136, 98138, 98139, 98144, 98145, 98146, 98148, 98151, 98154, 98155, 98158, 98160, 98161, 98164, 98165, 98166, 98168, 98170, 98171, 98174, 98175, 98177, 98178, 98181, 98184, 98185, 98188, 98190, 98194, 98195, 98198, 98199, 98203, 98204, 98208, 98223, 98258, 98270, 98272, 98275, 98290

Why Local Homeowners Choose Endeavor

Mill Creek: We're proud to be based here. Expect fast, neighborly service from a team that knows the area.

Lynnwood: From ductless installs to furnace tune-ups, we’re the go-to crew for reliable HVAC work.

Seattle: We service all residential neighborhoods — no high-rises — with tailored heating and cooling solutions.

Everett & Mukilteo: We design systems to match Snohomish County’s unique climate and home types.

Helping homeowners across the Puget Sound stay comfortable, reduce energy use, and save money — one system at a time.