MUNICIPAL SECTOR MECHANICAL & ELECTRICAL ENGINEERING IN ONTARIO

Municipalities across Ontario face a constant challenge: keeping essential public facilities reliable, efficient, and safe while working within strict budgets and long-term capital plans. Callidus Engineering partners with municipalities to deliver mechanical and electrical solutions that address immediate system needs while supporting broader goals for sustainability, compliance, and community service. With offices in London, Kingston, and Kitchener-Waterloo, our team is local, accessible, and experienced in the unique demands of public-sector projects.

The Needs of Municipal Projects

Municipal decision-makers must balance operational efficiency, regulatory compliance, and the expectations of the communities they serve. Building systems in civic facilities from recreation centres and libraries to fire halls, administrative offices, and public works buildings — often run well past their intended lifespan. This creates pressure on budgets, risks system failures, and can limit how well facilities serve residents.

Our team of experts will help:

  • Extend the life of critical mechanical and electrical systems through strategic upgrades and replacements.

  • Provide accurate assessments that support capital planning and budget allocation.

  • Ensure facilities remain code-compliant and resilient in the face of emergencies.

  • Recommend practical, cost-conscious solutions that reduce maintenance costs and improve energy performance.

Our Services for Municipal Properties

Callidus Engineering delivers mechanical and electrical engineering services tailored to the specific challenges of municipal infrastructure. Whether the project is a new emergency services facility, the retrofit of a cultural landmark, or energy audits for city-owned buildings, our work helps municipalities safeguard investments and meet community needs.

Group of people talking in office near wall with 'We Make Buildings Work' slogan.

Typical Services We Provide

  • HVAC system upgrades and replacements

  • Boiler and chiller plant design

  • Fire alarm and life safety systems

  • Electrical distribution and power upgrades

  • Plumbing and piping

  • Energy efficiency and decarbonization studies

  • Building Condition Assessments (BCAs)

  • Integrated Systems Testing (IST)

  • And more

Lambton Heritage Museum (Grand Bend, ON)
Callidus Engineering provided mechanical and electrical design for the renovation of 7,000 sq. ft. of exhibit space, modernizing duct layouts, lighting, fire alarm, and controls. The upgrades enhanced aesthetics, functionality, and visitor experience with energy-efficient systems, emergency lighting, and coordinated display integration.

Malahide Fire Hall (Malahide, ON)
For this new 11,500 sq. ft. facility, Callidus Engineering designed the full range of mechanical and electrical systems, including boilers, in-floor heating, rooftop units, hazardous gas detection, electrical distribution, lighting, life safety, and communications to support the Township’s emergency response services.

Kingston Energy Audits (Kingston, ON)
As part of the City’s Net Zero Energy strategy, Callidus Engineering conducted energy audits for nine municipally owned buildings, assessing HVAC and electrical systems. The studies recommended phased upgrades such as VRF systems, heat recovery ventilation, and electric boilers, providing Kingston with a roadmap to reduce emissions while maintaining operations.

Kingston Police A/C Assessment (Kingston, ON)
Callidus Engineering analyzed cooling systems at Kingston Police Headquarters, focusing on IT room resilience and building-wide performance. The study evaluated redundant cooling, free cooling integration, modular chiller replacements, and air-to-water heat pumps, providing costed upgrade strategies to improve efficiency and reliability.

Grand Theatre HVAC Upgrades (Kingston, ON)
Serving as Prime Consultant, Callidus Engineering led HVAC system replacement at Kingston’s Grand Theatre to improve ventilation and cooling. Work included a new air-source heat pump unit with energy recovery, gas backup heating, structural and roof modifications, power distribution upgrades, and fire alarm integration while preserving theatre acoustics.

Hanover Fire Hall (Hanover, ON)
Designed as a post-disaster, net-zero energy facility, Hanover’s new fire hall features apparatus bays, training spaces, offices, and a museum gallery. Callidus Engineering provided M&E and fire protection design, incorporating heat pumps, radiant in-floor heating, high-efficiency lighting and controls, a generator, and solar PV arrays.

Norfolk County Public Library (Port Dover, ON)
Callidus Engineering designed mechanical and electrical systems for the renovation of 8,500 sq. ft. of space into a new library branch. Work included HVAC reuse and upgrades, plumbing, life safety, lighting with daylighting controls, and power distribution, all tailored to heritage considerations and energy efficiency.

Trent Hills Emergency Response Centre (Northumberland County, ON)
For this 20,000 sq. ft. facility co-locating fire and ambulance services, Callidus Engineering provided mechanical design targeting LEED Silver. Systems included a high-efficiency boiler plant, make-up air units, VRF fan coils, ultra-low-flow plumbing, and a BAS system, supported by energy modeling and an integrated design process.

Harris Park Electrical Upgrades (London, ON)
Callidus Engineering redesigned electrical distribution for Harris Park after vandalism and flooding risks, upsizing service from 208V/400A to 600V/400A. The project included new distribution equipment, portable transformers for event power, park lighting, security camera coordination, and construction oversight for compliance.

City of London EV Charging Stations (London, ON)
Supporting the City’s transition to a greener fleet, Callidus Engineering provided electrical and architectural design for 20 EV charging stations at a fleet operations centre. Scope included new distribution, transformer and panel installations, trenching, and associated slab and site work.

Picton Library Addition (Picton, ON)
Callidus Engineering delivered full M&E services for a 6,000 sq. ft., three-storey library expansion with new circulation, offices, meeting rooms, and IT areas. Work covered HVAC, plumbing, fire protection, power, lighting, communications, and life safety, with system revisions integrated into the historic building.

City of London Arena Lighting Upgrades (London, ON)
For nine city-owned arenas and additional recreation facilities, Callidus Engineering designed new LED lighting and controls. Services included fixture selection, lighting calculations, and ASHRAE 90.1-compliant controls to improve safety, energy efficiency, and user experience across the venues.