E-1.1, r. 1 - Regulation respecting energy conservation in new buildings

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132. Except for the equipment mentioned in section 134, the coefficient of performance for heat pumps used for heating, including unitary heat pumps and heat pumps in packaged terminal unit forms shall be at least 2.5; however, this coefficient shall be at least 1.5 where pumps operate from air sources and the standard rating conditions are a dry bulb temperature of -8.3 ºC and a wet bulb temperature of -9.4 ºC.
O.C. 89-83, s. 132.