11 N. Auburn, Kennewick, WA 99336

Kennewick: 509-591-0222 · Yakima: 509-965-3422 · Richland: 509-943-5909

  • Better Business Bureau Accredited Business

Monday-Thursday: 8:00 am - 5:00 pm

Friday: 8:00 am - 4:00 pm

24/7 Emergency Phone Line
Call (509) 586-9464

Dayco Heating, Air, & Electrial


We've collected these videos to help you learn about the products we offer—how to make the best choice for your comfort needs, and how to maintain your investment.

Luxury Fireplace

Our top of the line Napoleon Fireplace.

Our 2012 Commercial

We're excited about our new television commercial. Take a look!

XLR-950 Thermostat Setup

Watch this video to learn how to use and setup your new thermostat.

Planned Maintenance

Our maintenance plan.


What should you expect.

The Right Company for You

How to find the right company for you.


Four reasons your Heating and Air Conditioning Unit might need to be replaced.

Order Service Online

Community Involvement