CSM Heating, Cooling & Roofing (Chehalis Sheet Metal) has proudly provided HVAC and roofing services to the homes and businesses of Lewis, Thurston, Mason, Grays Harbor and Cowlitz County for more than 60 years.

We take pride in our service and treat your home like it’s our own. Whether you’re in need of a service or repair or a new system or roof, CSM is a local and family-owned company you can trust. For any and all air conditioning services in Tumwater, WA, call our team.