Proudly Serving King & Snohomish County

Endeavor Heating and Cooling provides expert residential heating and cooling services throughout King and Snohomish Counties. Whether you’re in Seattle, Mill Creek, or Bellevue — we bring comfort crafted just for you. We specialize in heating and cooling system installations, seasonal maintenance, equipment replacements, and diagnostic repairs for furnaces, heat pumps, air conditioners, and mini-split systems.

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

Cities & Zip Codes We Serve

  • Mill Creek – 98082, 98012
  • Everett – 98208, 98204
  • Lynnwood – 98036, 98037, 98087
  • Seattle – 98101–98199 (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, 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, 98141, 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, 98204, 98208, 98223, 98275

Why Local Homeowners Choose Endeavor

Mill Creek: We’re based right here — expect fast, personal service from a neighbor who knows the area.

Lynnwood: From mini-split installations to furnace tune-ups, we’re the trusted local name for year-round comfort.

Seattle: We serve all Seattle neighborhoods with efficient solutions for homes of all shapes and sizes.

Everett & Mukilteo: Our techs are familiar with the unique climate demands of Snohomish County homes — and deliver accordingly.

Helping homeowners across the Puget Sound save energy, lower bills, and reduce their carbon footprint — one install at a time.