(360) 577-6604

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Get In Touch For Heating and Cooling Services

At Diversified Mechanical Services, we provide excellent service for all of your heating and cooling needs in Kelso, Washington and the surrounding areas. Please fill out the form below to get your free estimate or simply to get more information about the services we offer. We will get back to you as soon as possible, but if you can’t wait, call us directly at 360-577-6604. Thank you for visiting our website. We look forward to serving you!

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Proudly serving Cowlitz County, Washington including Longview, Kelso, Castle Rock, and Woodland, Clark County, Washington including Vancouver, Battle Ground, and Camas, and Columbia County, Oregon including Rainier and Clatskanie

Licensed, Bonded & Insured

Washington State Contractor
License # DIVERMS955J8

Oregon State Contractor
License # 181485

Payment Options

We Accept Visa, MasterCard, Cash and Checks

Call For Special Pricing on Air Filters

Hours of Operation

Mon - Sat:
8:00am to 6:00pm


Better Business BureauNorth American Technician Excellence
International Ground Source Heat Pump Association
National Association of Home Builders