Isotherm Engineering Ltd. was established in 1975 to provide mechanical engineering services. It has a long history of design-build and commissioning experience with strength in design review and in practical field services. Our current focus is building commissioning on mechanical and electrical systems, integrated testing of life safety systems and smoke control testing. Through our three-step approach (Documentation, Verification, & Technology Transfer), many building owners and construction partners welcome us to provide our services on new construction and existing ICI buildings. We are Your Advocate for High Performance Buildings.