Mechanical Service & Systems (MSS) is a full-service mechanical contractor serving commercial and industrial clients throughout Salt Lake City and Utah. With 40+ years of experience, MSS provides commercial HVAC service, plumbing, boiler installation and maintenance, building controls, and mechanical construction — all under one roof. Services include preventative maintenance, 24/7 emergency response, design-build construction, piping and fabrication, and open-protocol building automation. Serving data centers, healthcare, aerospace, education, and industrial facilities statewide.