Isotherm Engineering Ltd is a full service mechanical consulting engineering firm specializing in sustainable design. Our team has extensive experience designing strategic solutions across diverse building and system types. The Principals and associates bring a solid foundation of experience working as a team.


Isotherm Engineering’s third party commissioning service is a process of verifying that building systems are designed, installed, and thoroughly tested and capable of being operated and maintained to perform as intended and as the client’s project requirements.


Our engineering and commissioning project teams use our combined strength and expertise to provide the best possible outcome for our clients. We have a full range of thermal imaging, energy modelling, measurement and verification.

Isotherm Engineering is a full service mechanical consulting engineering and third party building commissioning firm.

We extend our engineering strengths with energy audits, measurement and verification, energy models, thermography and other specialty services. Since 1975, Isotherm has been providing high performance sustainable solutions for new and existing buildings in the industrial, commercial, multi-residential high rise, and institutional sectors.


Isotherm Engineering has completed over 100 Commissioning, Recommissioning and Retro-Commissioning projects. Building types can be generally summarized as Office Buildings, Educational, Health Care, Government and Institutional, and Residential/Condominium.

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