Our Firm

Isotherm Engineering Ltd. was founded in 1975 as a Design-Build contractor specializing in mechanical engineering services, including heating ventilation and air conditioning, precision environmental controls and refrigeration.

We have grown into much more.  We now specialise in many areas of service such as: engineering project management, measurement and verification (M&V), energy audit, energy modeling, specialty process design and troubleshooting, forensic work in electromechanical or building automation system (BAS) failures, and commissioning complex multi-disciplinary building systems.

ISOTHERM ENGINEERING'S staff consists of professional engineers, certified commissioning professionals, and licensed refrigeration journeymen.

Our principals were involved on the ASHRAE committees that developed the Commissioning Guidelines and Standard; and are members of the Building Commissioning Association Technical Committee.

The measure of Isotherm Engineering's success is the satisfaction of our Clients and our contribution to an environmentally sustainable future.


To provide high performance sustainable solutions for new and existing buildings in the industrial, commercial and institutional sectors.

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