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    • Four Callidus Engineering team members stand together smiling in an office setting. The group includes two women and two men in professional attire, with glass walls, plants, and a digital display visible in the background.

      September, 2025

      Integrated Systems Testing in Ontario

      Callidus Engineering provides ULC S1001 Integrated Systems Testing services in Ontario, ensuring your project achieves building system functionality and code compliance without delays. […]

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    Callidus Engineering
    Callidus Engineering

    Designing within constraints is where experience actually shows.In this example , the challenge was not meeting healthcare-level HVAC requirements. It was doing so inside an existing commercial building without triggering a full electrical service upgrade.That kind of outcome does not come from upsizing equipment or adding margin everywhere. It comes from understanding how mechanical design choices affect electrical demand, and adjusting system operation accordingly.As Luke Reist explains in this clip, our team worked through the problem at the controls level. By coordinating supply air temperature strategies with electric reheat sizing, we were able to stay within the available electrical capacity while still delivering proper zoning, comfort, and performance.This is the value of tight mechanical and electrical coordination. Not as a buzzword, but as a practical way to solve real project constraints without unnecessary cost.#EngineeringExcellence #YGK #LDNont #KWAwesome ...

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    Callidus Engineering
    Callidus Engineering

    #Happy New Year!We hope you had time to rest, recharge, and enjoy the holiday season.Our team is looking forward to reconnecting with our clients and partners, (hearing about your holidays first!), and getting back to making buildings work.#EngineeringExcellence #LDNont #YGK #KWAwesome ...

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    Callidus Engineering
    Callidus Engineering

    Merry Christmas. Wishing everyone a wonderful holiday and a strong start to the new year.#EngineeringExcellence #LDNont #YGK #KWAwesome ...

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    Our London location1385 N. ROUTLEDGE PARK UNIT 9 LONDON, ON N6H 5N5 519-472-7640

    info@callidus.ca

    Our KINGSTON location4 CATARAQUI ST. UNIT 100 KINGSTON, ON K7M 1Z6

    613-900-0845

    Our KITCHENER location210-137 GLASGOW ST. KITCHENER, ON N2G 4X8

    519-340-1885