(Amended by Ordinance No. 187432, effective December 4, 2015.) Every dwelling unit and guest room shall be provided with heating facilities capable of maintaining a room temperature of 68 degrees Fahrenheit or 20 degrees Celsius at a point 3 feet or 91.44 centimeters above the floor in all of the City of Portland habitable rooms. The version of the Oregon Energy Efficiency Specialty Code adopted by the City in Section 24.10.040 shall regulate the design and construction of the exterior envelopes and selection of heating, ventilating and air conditioning systems and equipment.
A. The annual degree days is 4,792 for heating and is 300 for cooling. The design temperature is 23 degrees Fahrenheit for winter and 85 degrees Fahrenheit for summer.
B. Indoor design temperature shall be 68 degrees Fahrenheit for heating and 78 degrees Fahrenheit for cooling.