12.3.1.3.Temperature Control in Houses and Dwelling Units

(1) Except as provided in Sentence (3) and except where space heating energy is provided by a solid fuel-burning appliance or a ground source heat pump, (a) heating system in an individual dwelling unit shall be controlled by at least one programmable thermostatic control device located in the dwelling unit, and (b) where a house contains a secondary suite, each dwelling unit shall be controlled by at least one programmable thermostatic control device located in the dwelling unit. (2) The programmable thermostatic control device required in Sentence (1) shall (a) allow the setting of different air temperatures for at least (i) four time periods per day, and (ii) two different day-types per week, (b) include a manual override, and (c) allow the setting of the air temperature to (i) 13°C or lower in heating mode, and (ii) 29°C or higher in cooling mode, where air-conditioning is provided. (3) A manual thermostatic control device is permitted if it (a) controls a heating or cooling system where the heating or cooling capacity is not more than 2 kW, or (b) serves an individual room or space.