Tenders for HVAC work across Ontario from municipal, school, health, university, provincial and federal buyers, in one place. Get them by email.
Public buyers in Ontario posted 7 HVAC contracts in the last 12 months, and 6 are open now. The busiest buyers are Department of Public Works and Government Services (PSPC) and Department of Agriculture and Agri-Food (AAFC). Most are posted in September and October.
From CrewBid’s bid data, Nov 1, 2026.
The project replaces the building's fire alarm system with a new networked system to ensure safety during construction without stopping operations.
Official title: EP076-270289 Sir Frederick Banting Building Fire Alarm System Improvements
The National Research Council of Canada needs to upgrade its HVAC mechanical system at its Uplands Campus in Ottawa. The work will take place on-site and requires a site visit to be scheduled.
Official title: U66 HVAC Upgrades
The Canadian Food Inspection Agency needs new steam coils for its Ottawa laboratory facility. Bidders must complete the work within the specified timeframe.
This project involves replacing rooftop units in a building in the National Capital Region, with work scheduled to finish within 28 weeks after the contract is awarded.
Official title: T86 Rooftop Units Replacement
This notice invites qualified General Contractors and specialty trades to bid on construction services for the National Capital Region, including trim, doors, ladders, rigging, and HVAC work.
Natural Resources Canada needs technical support for energy products across eight categories. Qualified suppliers can apply for a long-term supply arrangement that runs until Canada no longer uses it.
Ottawa & Eastern Ontario 2London, Windsor & Waterloo Region 1
All public work in Ontario: Ontario contracts. HVAC in other provinces: