(360) 577-6604

Diversified Mechanical Services

Diversified Mechanical Services

Diversified Mechanical Services

Heating & Cooling Services

In business since 2002, Diversified Mechanical Services is your source for prompt, professional, economical, and efficient solutions for all of your home, office and business comfort requirements. Family owned and operated, Carl Hendrickson started the business in Minnesota and moved to Washington State in 2000. We are proud to currently offer our quality HVAC services to customers in Kelso, Washington, and the surrounding areas.

air conditioner unit

Affordable Solutions

We offer heating and air conditioning system sales, installation, service, and maintenance as well as piping, ventilation, air filtration and more. We have served our customers and community for more than 34 years, providing affordable solutions for all of your heating and cooling needs.

We continually strive for customer satisfaction and our certified technicians work hard to meet the highest performance standards in the industry. This enables us to provide our customers with an optimally healthy indoor environment, all while staying within your budget!

air conditioner unit

If you are looking for quality heating and cooling services, contact us or call 360-577-6604 and schedule your no-obligation estimate today! We serve the entire Lower Columbia area.

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