Certified Generac Dealer · Washington State
Washington's Power & Comfort Experts
Don't let the next outage leave you in the dark. Gentech Washington installs Generac generators and HVAC systems that keep your home running — no matter what.
What We Do
Power. Comfort. Protection.
Generac Generators
Never lose power again. We install, maintain, and repair Generac standby generators that automatically kick on the moment your power goes out — protecting your home, your family, and your peace of mind.
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HVAC Systems
Stay comfortable every season. From high-efficiency furnaces to central air conditioning, we design and install HVAC systems built for Washington's climate — and back them with expert maintenance.
Explore HVACWhy GentEch Washington
Built on Trust. Backed by Expertise.
Certified Generac Dealer
Factory-trained and authorized to install and service the full Generac product line.
FINANCING AS LOW AS 0%
Washington Licensed & Insured
Fully licensed, bonded, and insured in Washington State. Your home is protected.
Free In-Home Estimates
No pressure, no surprises. We come to you, assess your needs, and give you a clear quote.
What Homeowners Say
Real Peace of Mind
“When the big storm hit last winter, our whole neighborhood lost power for three days. Our Generac kicked on in seconds. Best investment we've ever made.”
Mike T.
Bellevue, WA
“Gentech Washington installed our new heat pump and the difference is incredible. Our energy bills dropped and the house stays perfectly comfortable all year.”
Sarah K.
Tacoma, WA
“Professional, fast, and honest. They explained everything clearly and the installation was flawless. I'd recommend them to anyone in Washington.”
James R.
Olympia, WA
Act Now
Don't Wait for the Next Outage
Get a free in-home estimate and find out exactly what it takes to protect your home with a Generac generator or new HVAC system.