Your HVAC Experts Since 1968

Servicing East King and Snohomish County

Servicing East King and Snohomish County

Evergreen State Heat & AC designs, installs, and maintains residential systems that keep your home comfortable for decades. Union labor, clear communication, relentless consistency, and our “No Surprises” 10-Year Comfort Guarantee™ on qualifying systems.

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Book Replacement or Service

99-Point Inspection

Find small problems before they become big expensive ones. No trip charge, no fees.

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Evergreen “No Surprises” 10-Year Comfort Guarantee™

Total Peace of Mind

Zero Repair Bills on Covered Systems for 10 Years

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Air Conditioning

New installs, repairs and seasonal tune-ups on all major brands of central AC.

Cooling Services
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Ductless Heat Pump

Mini-split systems for additions, older homes and zone-by-zone comfort control.

Go Ductless
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Furnaces

Gas, propane and high-efficiency furnace installation, repair and maintenance.

Furnace Services
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Heat Pumps

Trane & Mitsubishi heat pumps — heat AND cool with one efficient system.

Heat Pump Services
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Indoor Air Quality

Filtration, air purifiers, humidifiers and energy recovery ventilators.

Clean Air Services
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Commercial HVAC

Need light commercial work? Visit our sister site for commercial services.

Commercial HVAC

Evergreen State Heat & AC Standards

Your go-to for complete residential HVAC services

Evergreen State Heat & AC was established in 1968 and has grown our customer base through our dedication to quality services and products. We have the experience needed to advise, recommend, and provide HVAC and electrical repair, installation, and maintenance services for residential homes and commercial businesses. Our customers have come to recognize and appreciate the reliability of our work and equipment.

  • Full disclosure in the sales meeting of options and risks by sales rep, multiple systems offered and levels of long-term service.
  • Full detailed proposal with breakdown of labor, electrical, and equipment costs.
  • 2-Year No-Breakdown labor guarantee. Full 30-day guarantee of 100% satisfaction. Up to 10-year parts and labor warranty offered.
  • Full layout by the lead journeyman on the system with the customer to ensure they know exactly what to expect.
  • Full walkthrough within two weeks of installation for complete training of the customer on how everything works.
  • Clean Home & Respect Guarantee. We leave the home as clean or cleaner than we find it. Wipe down of working area.
The Evergreen Difference

Four Promises We Keep

Transparency

No surprises, fair rates, quality work, outstanding service.

Humility

If we don't do it right, we will make it right. Promises made are promises kept.

Enduring

We support you before, during and after installation for the life of the system.

Responsive

We quickly meet your needs by doing the basics better than anyone else.

White Evergreen State Heat & AC service van with ladders on top is parked outdoors at sunset, with trees and buildings in the background, highlighting their expertise in affordable plumbing and HVAC solutions. Plumbers in Black Diamond, WA

What our satisfied customers are saying...