A crane lowers a new packaged rooftop unit toward a commercial roof while two Dayco crew members in hard hats watch beside an installed Trane unit

Commercial HVAC from the same family shop

Rooftop units set by crane, ductwork for new construction and tenant build-outs, and service that keeps stores, offices and warehouses running. Licensed in 22 cities and counties across eastern Washington.

  • 1985in business in Kennewick since
  • ~30service vehicles on the road
  • 22cities and counties licensed, Walla Walla to Yakima and Moses Lake
  • 24/7technician on call
A crane lifts a new rooftop unit onto a commercial building while a Dayco pickup waits below

From the first duct run to the 2 AM call

One shop can carry a commercial building from build-out to the day a unit goes down.

New construction & tenant improvements

Heating, cooling and ductwork for new buildings and tenant build-outs. Our own crews fabricate and install the duct, from underground supply runs to exposed warehouse and shop duct.

Rooftop units, set by crane

Packaged rooftop units removed and set by crane, with curbs, connections and startup handled by our crew.

Controls & thermostats

Programmable thermostats so you’re not heating and cooling an empty building after hours.

Service & maintenance

Scheduled maintenance and repairs on all brands to keep stores, offices and warehouses running. Dayco is a Trane Comfort Specialist.

Emergency repair, 24/7

A technician is on call around the clock when a unit goes down during business hours or after.

Recent commercial work

Photos from Dayco crews on the job.

Your commercial team

  • Justin Dodd

    Commercial Manager

  • Noe Barragan

    Commercial Project Manager

  • Katrina Dixon

    Residential New Construction / Commercial Coordinator

Washington contractor license DAYCOI*107LO · UBI 601-232-711

Proof of concept: names, titles and photos come from the current Dayco website. Confirm the commercial team and staff consent before launch.

Planning a project or have a unit down?

Call to reach the commercial team, or email drawings and project details and we’ll get back to you.

Book by phone on this preview

Online booking runs on ServiceTitan, which only opens on Dayco’s registered website (daycoheating.com). On this preview, call the office and we’ll set up your appointment.

Call (509) 586-9464