Engineering and consulting

Building Product Approvals, Building Science, Management Consulting, Codes Consulting and Technical Communications

The science of building better

Our Services

puzzle pieces

A strategic approach to management and engineering consulting with a focus on energy efficiency, better building materials and leading edge building science combined with technical support from Codes approvals through specifications, detailing and design.


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Our Mission

To provide a range of services to the building industry to make energy efficiency and quality construction affordable and reliable.

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Our People

Paul Duffy, P.Eng

Over 35-years of experience consulting  across North America and Europe.  Including 10-years as a senior executive in a building products manufacturing company. Expertise in building science, technical marketing, product accreditation and engineering support.


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Questions & Comments

We'd love to hear from you! Please reach out at your convenience so we can discuss your project needs.

Paul Duffy and Associates Inc.

(647) 323-5981

Mailing Address

144 Hilton Ave.

Toronto, ON M5R 3E9