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ZON’s mechanical design team is guided by a singular mission: to design mechanical systems that minimize energy consumption and CO2 generation while delivering excellent indoor air quality and thermal comfort. Great buildings start with great enclosures, but a great enclosure needs a properly designed mechanical system to become a truly efficient, comfortable, and healthy building. That is our focus at ZON; we understand the challenges of low-load buildings and have the expertise to select an appropriate strategy and ensure it is properly implemented.


We start every project by listening to our clients’ needs and concerns. We seek to educate clients and design teams on the environmental, energy, and cost implications of potential mechanical strategies. During the concept design phase, our team provides clients with customized systems options, highlighting the system complexity, energy consumption, capital cost, and space requirements of each. Owners can then choose a system that meets their needs.

ZON Engineering Inc. provides clients with complete heating, ventilation and air conditioning (HVAC) system designs for commercial and residential projects. ‘Right- sizing' a mechanical system starts with collaboration between ZON and the project architect/designer to review the building enclosure and properly calculate the heating and cooling loads for each space in the building. By designing a system that is sized for the space and its occupants, we can reduce equipment costs, energy consumption, and utility costs while providing excellent indoor air quality and thermal comfort.

We know the importance of good domestic hot water design to the overall energy consumption of the building and offer detailed DHW design services, including plant and distribution network design to ensure efficient generation, minimal heat loss, and short wait times. Rainwater and greywater harvesting design services are available for both commercial and residential projects.


ZON Engineering Inc. offers the following services, as requested, for each project:


  • Heat loss/gain calculations

  • Ventilation rate calculations and system design

  • Equipment specification

  • Ductwork network design, carefully coordinated with the building structure and including grille/register/diffuser selection, sizing, and placement

  • Hydronic system design and distribution, including radiant floor layouts

  • Plumbing system design, including fixture selection, supply piping layout, sanitary drainage, water consumption/demand estimates, domestic water heating design

  • Building stormwater design, including rainwater leader design, and rainwater harvesting design

  • Fire protection concept design

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