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The Plan4 mission: to promote comfortable, efficient, safe and durable homes that maintain their value over generations.



Plan4 services include:

  • HVAC specification

  • Structural specs for more durable building envelopes

  • Tree preservation and lot planning

  • Protections from flooding, ice, wind, fire and power outages

  • Adapting to geography and future weather in Eastern Ontario and West Quebec

Plan4 will improve and protect the value of your most precious investment - your home - with reliable building and climate science.

Gary Martin, PhD.

(Environmental Studies)

Principal Adviser


Jean Maisonneuve Indoor Environment  Adviser

Paul Hetzler

ISA-Certified Arborist Tree & Site Planning

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