Serving the Tri-Cities and beyond
From our shop in Kennewick, Dayco holds active business licenses in 22 cities and counties, from Walla Walla to Yakima, Moses Lake and Ephrata.
Where we work
We service and install across all four regions. Places marked “call for a price” aren’t in the online instant quote yet: call and we’ll price a new system after a home visit.
- Tri-Cities
- Kennewick
- Richland
- West Richland
- Pasco
- Benton City
- Unincorporated Franklin County
- Yakima Valley
- Prosser
- Grandview
- Sunnyside
- Zillah
- Moxee
- Yakima
- Union Gap
- Selah
Dayco has technicians who live in the Yakima Valley.
- Columbia Basin
- Connell
- Mesa
- Othello
- Mattawa
- Moses Lake
- Ephrata
- Walla Walla Valley
- Walla Walla
- College Place
Instant quote coverage
The online instant quote currently prices systems in these ZIP codes. Outside them, call us and we’ll price your system after a home visit.
See all 31 ZIP codes
- 97838
- 97882
- 98901
- 98902
- 98930
- 98932
- 98933
- 98935
- 98936
- 98938
- 98944
- 98948
- 98951
- 98953
- 99301
- 99320
- 99323
- 99326
- 99330
- 99336
- 99337
- 99338
- 99343
- 99345
- 99346
- 99350
- 99352
- 99353
- 99354
- 99360
- 99363
No heat? No cooling? Call now.
Whether it’s 2 PM or 2 AM, a Dayco technician is on call.