Air conditioning for Tri-Cities summers
Dayco has repaired air conditioners in this area since 1985. Our technicians talk through your options before any repair, so you know the costs up front.

What we do
- Cooling inspections and tune-ups
- Air conditioner repairs
- Heat pump repairs
- Humidifiers and dehumidifiers
- Energy-saving central cooling system repair
- Standard, medium and high-capacity air filter systems
- Energy-saving programmable thermostats
- Expert troubleshooting and diagnosis
- Refrigerant leak detection and repair
- Service on all brands of air conditioners and heat pumps
Signs your A/C needs a look
Not sure? Call (509) 586-9464 and describe what’s happening.
- Warm or weak airflow from the vents
- Water pooling around the indoor unit
- Ice on the refrigerant lines or outdoor coil
- The system short-cycles or never shuts off on hot days
- A breaker that trips when the A/C starts
Replacing an air conditioner
A new outdoor A/C is usually installed with a matching indoor coil, so the two are rated to work together.
The instant quote shows installed prices for Trane A/C and coil systems at four efficiency levels.
See your installed price in 2 minutes
Answer a few questions about your home and see fully installed prices for four Trane systems. No phone number or email needed.

Installed the Dayco Way
Every system we install is done so that anyone at Dayco can recognize it was installed properly: safely, to the manufacturer’s specifications and running at its best efficiency.
Afterward, a maintenance plan keeps it that way, from $18 a month.Compare plans
“Our heat pump quit on Saturday night and the big storm began… To my surprise, the doorbell rang and there was Donovan, dripping wet, saying the storm had knocked out a capacitor and that he’d fixed the problem!”
Dick Mayer
“Dan Garcia… explained my choice in terms that I could understand and helped me to make the best possible selection for my investment. The installation staff came when they were scheduled and were very polite and professional.”
Rose-Marie Hadeed
No heat? No cooling? Call now.
Whether it’s 2 PM or 2 AM, a Dayco technician is on call.


