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Technicians consistently demonstrated strong response times, arriving same-day for emergency calls and on-time for scheduled service appointments, while providing detailed explanations of repairs and maintenance work performed. Installation quality and system performance received consistent praise, with customers noting professional handling of new geothermal unit installations, thorough explanations of system operation, and quick resolution of heating issues including sensor cleaning and component replacement.
Based on Google reviews
About the Contractor
Dayco Heating & Air Conditioning is a family-owned HVAC contractor based at 11 N Auburn St in Kennewick, Washington, serving the Tri-Cities region — Kennewick, Richland, and Pasco — and the broader Yakima Valley since 1985. The company installs and services a full range of heating and cooling systems including geothermal heat pump systems, gas and electric furnaces, air conditioners, heat pumps, and ductless mini-splits. Dayco is an authorized WaterFurnace and Trane dealer and installs ground-source systems suited to the hot-summer, cold-winter continental climate of Eastern Washington's Columbia Basin. The firm offers 24/7 emergency service and a monthly maintenance plan for long-term system protection, with online booking and instant quotes available through its scheduler.
Family-owned since 1985 with a 4.9 Google rating from 1,091 reviews, serving geothermal and HVAC needs across the Tri-Cities area with 24/7 emergency service and the proprietary 'Dayco Way' installation standard.
Service Details
schedule
Years in Business
41 years
account_balance
Financing
Available
emergency
Emergency Service
24/7 Available
factory
Brands Installed
Trane, WaterFurnace
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WaterFurnace
Authorized Dealer
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24/7 Emergency
Business Hours
Mon8a-4:30p
Tue8a-4:30p
Wed8a-4:30p
Thu8a-4:30p
Fri8a-4p
SatClosed
SunClosed
Service Area
Serves 3 areas across Washington
RichlandPascoYakima Valley
Regulatory Context
Geothermal Permitting in Washington
Geothermal heat pump installations in Washington require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
Dayco Heating & Air Conditioning specializes in geothermal heat system repair and installation in Kennewick and the Tri-Cities area. All installations follow their rigorous 'Dayco Way' standards using top-of-the-line equipment.
Yes, Dayco Heating & Air Conditioning offers 24-hour emergency service and is available 24/7 for geothermal system emergencies in Kennewick, Richland, and Pasco.
Dayco's website indicates they service and repair a wide variety of HVAC brands and use top-of-the-line equipment for all installations, though specific brand names are not detailed.
Yes, Dayco offers Maintenance Plans designed to protect your home and family from untimely system problems and high repair bills. Contact them at 509-586-9464 for details on which plan is right for you.
Dayco Heating & Air Conditioning has been family-owned and operated since 1985, serving the Tri-Cities area including Kennewick, Richland, and Pasco, Washington.
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Quote Request Received
Thanks — we'll review your request and forward it to Dayco Heating & Air Conditioning within 1 business day. If you asked to compare quotes, we'll pass it to up to two more local installers as well. They typically respond within 1–2 business days after that.
If you need to reach Dayco Heating & Air Conditioning directly: (509) 586-9464
Geothermal heat pump installations in Washington may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
