POL Government Elected Officials Auditor Hull Caballero Charter, Code & Policies City Code & Charter Online Code & Charter Title 27 Heating and Vent Chapter 27.05 Equipment -General
27.05.021 Capacity.

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 ofPortland habitable rooms Chapter 53, Energy Conservation, State Building Code, 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.