Post date October, 2024

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) […]

Post date August, 2024

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 […]

Post date August, 2022

Introducing Callidus K-W

Callidus Engineering is pleased to announce the opening of our third office location.  Our newest office, located in Kitchener, Ontario, is positioned to better support our existing client base in […]

Post date December, 2020

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 […]

Post date September, 2020

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 […]

Post date September, 2020

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, […]

Post date September, 2020

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 […]

Post date January, 2020

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 […]

Post date December, 2019

Callidus: 2019

2019 has been a year of growth for Callidus.  Both our London and Kingston offices have experienced growth in Staff numbers, with 7 new employees joining the Callidus family.  This […]

Post date December, 2019

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 […]

Post date March, 2019

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. […]

Post date March, 2019

Homes on Homes on Homes…

If you live in an urban location, it is likely that you have seen an increase in the multi-unit residential developments being built in your town or city. With population […]

Post date March, 2019

The Metalworks

 We are so excited to share that another phase of The Metalworks complex in Guelph, Ontario is wrapping up! The second of 3 high rise condo towers just finished construction, […]

Post date December, 2018

Callidus 2018 – Year In Review

What a great year it has been!   This has been one of our most memorable years at Callidus, and we wanted to take a moment to share that with you! This […]

Post date September, 2018

Stubbe’s Office

When Callidus was given the chance to work on a 40,000 sq ft. office building for Stubbe’s Precast, we jumped at the opportunity. Constructed using mostly precast concrete, this 3-storey […]

Post date September, 2018

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 […]

Post date September, 2018

Callidus Update – Quarter 3, 2018

Happy Birthday Callidus Kingston! We have had a great first year in Kingston, and to celebrate, we got ourselves a new office. With the addition of 3 new staff members […]

Post date June, 2018

L’Arche Community Gathering Facility

Callidus had the privilege to work on many community gathering spaces over the years. One of our most recent projects allowed us to design the mechanical & electrical systems for […]

Post date June, 2018

Callidus Update – Quarter 2, 2018

As we near the midway point of 2018, it is easy to celebrate the success of the first 6 months for Callidus.  We have had the chance to work on […]

Post date April, 2018

Callidus Update – Quarter 1, 2018

As spring is upon us, it always brings thoughts of growth and new life.  The same can be said about the beginning of 2018 for Callidus.  With an increase in […]

Post date April, 2018

Azure Apartment

Callidus recently completed the design of a new 29 storey Residential Condominium in London, Ontario.  Containing 8 levels of parking, ground floor commercial space, 24 levels of residential suites, this building has a […]

Post date March, 2018

Rouge Park Terraces

Callidus recently completed the design of a new 6 storey Residential Condominium in Markham Ontario.  This Building was designed to target the affordable housing market, while focusing on urban integration.  […]

Post date December, 2017

Christmas at Callidus

The Christmas season is often referred to as the season of giving, and this rings true here at Callidus.  One of our core values is Community, and that goes beyond […]

Post date December, 2017

Finkle Street Apartments

Callidus had the opportunity to work on the design of Woodstock, Ontario’s newest Multi-unit residential apartment building.  Completed in September of this year, the Finkle Street Apartment provides 119 condo […]

Post date September, 2017

Introducing Callidus Kingston

Callidus Engineering is pleased to announce the launch of our second office located in beautiful Kingston, Ontario. After years of planning and steady growth of the company, the time has […]

Post date September, 2017

Bluewater Area Family Health Team Clinic

With a 5,000 sq.ft. expansion, Bluewater Area Health Team recently opened their doors to provide family health options to their ever growing network of patients.  Callidus was given the opportunity […]

Post date June, 2017

London Courthouse Lighting & Fixture Renewal

The Project consisted of retrofitting existing lighting fixtures with new LED Lamps or LED Fixtures in order to reduce energy consumption costs. Click for project details

Post date June, 2017

Building Permits: What they are and how to get one

Post date June, 2017

EMDC Program Back-up Generator Replacement

Design and construction of new generator room in place of substation and 2 new diesel generators paralleled with existing generator with upgrades and new auto transfer switches to back up […]

Post date March, 2017

Introducing the New Redesigned Callidus Engineering Website

Callidus Engineering is pleased to announce the launch of our new responsive website, created with a fresh, updated look and a user-friendly design. After several months of hard work, we […]

Post date March, 2017

Lighting Controls – What’s really required to stay out of the dark?

For many, the New Year is a time of change. This year in particular, designers working in the electrical engineering field are experiencing those changes as they adhere to new […]

Post date March, 2017

Villas on Avon

This project was a four storey luxury condo building totalling 51 residential units, ground floor amenity spaces and a shared parking garage below grade. Located close to retail amenities in […]

Post date March, 2017

Renfrew OPP New Detachment

New 17,000 sq ft police station to serve the residents in the Town of Renfrew. The facility was designed with a detention area, offices, locker rooms, two bay garage, fitness […]

Post date January, 2017

Callidus Engineering Announces Five New Owners

Callidus Engineering is proud to announce five new owner promotions to their London, Ontario-based firm. While Grant Hall and Matthew Van Gilst remain as owners of the firm, they are […]

Post date December, 2016

Callidus Supports The London Abused Women’s Centre

Callidus Supports The London Abused Women’s Centre in Annual Christmas Campaign This past December, Callidus Engineering proudly supported The London Abused Women’s Centre (LAWC) Christmas campaign for a third consecutive […]