Kohler & Lewis is a mechanical engineering firm, serving architects, construction managers, and building owners throughout northern and western New England. We are located in southwestern New Hampshire. Since 1982, we have designed mechanical systems for more than five million square feet of commercial and institutional buildings, including more than one hundred schools.

Kohler & Lewis was one of the first engineering firms to use energy recovery units to reclaim waste heat from ventilation air in schools, offices and other buildings. Kohler & Lewis recently received (with Marc Rosenbaum) the ASHRAE Region 1, Institution Buildings - New Technology Award (1999-2000) and the National Second Place ASHRAE 2000 Technology Award for New Institutional Buildings. The awards were for the design of the energy efficient mechanical system for the Vermont Law Oakes Hall Classroom Building in South Royalton, VT. The National award recognizes "outstanding design innovation and successful implementation". Kohler & Lewis also designed the mechanical systems for the recent addition to the Society for the Protection of New Hampshire Forests headquarters in Concord, NH. This building was designed to meet the "Leadership in Energy and Environmental Design (LEED) Green Building Rating System" gold standard and to comply with EPA's "Energy Star Buildings" criteria to ensure that it would demonstrate state-of-the-art high-performance building technology. The building received first place in 2003 Northeast Green Building Awards.