Ontario 2025 Boiler Requirements For Homes. Gas boiler, a boiler that uses exclusively propane or natural gas, is intended for application in a low pressure steam, or hot water, central heating system and has an input rate. 1, 2023 for residential units and jan.
Under this policy guideline, in order to obtain a cofa, the owner must satisfy the director that the new or modified boiler or heater will emit oxides of nitrogen ( nox ) within the limits specified. The affected products include electric furnaces, gas and oil boilers, gas fireplaces, gas furnaces (including mobile homes), heat recovery ventilators (hrv) and tankless water.