The new Toronto cooling bylaw changes the rules on indoor temperatures. As of June 1, 2026, the City's long-standing Heating Bylaw has been renamed the Indoor Temperature Standards Bylaw (Toronto Municipal Code, Chapter 497), and it now includes cooling requirements with real enforcement teeth behind them. If you own or manage rental buildings in Toronto, here's what applies to you today, what's coming next year, and what to do about it before enforcement — or a tenant compla

Rooftop units like these are exactly where commercial HVAC noise complaints start — especially on older GTA buildings backing onto residential neighbours. A rooftop unit that hums along fine for years can suddenly become a liability the moment a neighbouring tenant, a condo resident next door, or a nearby homeowner picks up the phone and calls 311. For GTA property managers and building owners, commercial HVAC noise complaints in Toronto sit in an awkward spot: they're rarely

A commercial rooftop unit (RTU) keeping a GTA building cool through the summer heat. When Toronto hits 35°C with humidex pushing past 45, the calls start flooding in. Tenants complaining about warm offices. Restaurant kitchens turning into saunas. Retail spaces losing customers who walk out the door looking for somewhere cooler. If your commercial AC has ever "died" during a heatwave, here's the uncomfortable truth: it usually didn't die. It hit its limit — a limit that was s