Geothermal.contractors

Molten Mechanical & Metal Works is a Brooklyn-based mechanical systems contractor serving the greater New York metropolitan area since 2004. The company specializes in ground-source heat pump installation alongside comprehensive mechanical system work for commercial and institutional clients. Certifications include ASME Section IX welding credentials, EPA 608, OSHA 30, and Mitsubishi Diamond Installer status. Project experience spans major New York institutions including Memorial Sloan Kettering Cancer Center, Mt. Sinai Hospital, New York Presbyterian Hospital, Columbia Presbyterian Hospital, Montefiore Medical Center, NYU Lutheran Medical Center, and New York City transit and housing authorities. The firm holds memberships in the International Ground Source Heat Pump Association, Enterprise Association of Steamfitters Local 638, the National Certified Pipe Welding Bureau, and the Mechanical Contractors Association of New York. Verified active operator per https://moltenmechanical.com/about-us/ (Bundle 6 audit 2026-05-29)