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Engineering Articles

  • ndustrial HVAC system with cooling fans and pipes for HVAC refrigerants used in temperature control.

    Navigating the Big Change in HVAC Refrigerants: What It Means for You

    By The Callidus Engineering Mechanical Team As of January 1, 2025, the HVAC industry is entering a new phase, with the widely-used R410A & other high global warming potential (GWP) […]

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  • Title Banner for Electric Vehicle Charging: Importance and Current Trends

    Electric Vehicle Charging: Importance and Current Trends

    What is EV Charging and Why is it Important to Building Owners? Electric Vehicle (EV) charging refers to the process of replenishing the battery of an electric vehicle using an […]

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  • Integrated Testing and You

    The life safety systems of your building are critical for your building.  They protect the occupants in an emergency situation when there aren’t second chances.  Life safety systems include fire […]

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  • Trent Hills Emergency Response Center

    We are so excited to share that the Trent Hill Emergency Response Center has been completed in Campbellford, ON. This multi-bay facility is fully equipped and capable of serving the […]

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  • 5 ways to improve your building systems today to reduce the spread of COVID-19

    The COVID-19 pandemic has raised many questions about how to reduce the risk of transmission of viruses within buildings. While the simple solution has been improving cleaning and sanitizing habits, […]

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  • Callidus Update – September 2020

    It is hard to believe what has happened over the last 6 months. While we were gearing up for a productive second quarter, the entire economy paused. With the uncertainty […]

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  • Callidus Kingston – Office Relocation

    When we relocated our Kingston office to The Woolen Mill 16 months ago, we hoped it would accommodate our growth needs for the next several years. Thanks to you, our […]

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  • The Top 12 M/E/P Changes in the 2020 Ontario Building Code Update

    The construction industry is constantly developing. With advances in processes and technology every year, it is necessary to update standards to ensure designers and constructors are using the best practices […]

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  • 2019 Changes to the Ontario Electrical Safety Code:

    What are they & How do they affect you? On May 16, 2019, the 27th edition of the Ontario Electrical Safety code (2018 OESC) will come into effect in Ontario. […]

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  • Arc Flash Hazards & Prevention

    This article was prepared for the sole purpose of making you aware of Arc Flash hazards and prompt you to think about safety measures at your facility and/or workplace. Information […]

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