Provides the design and specific protocols for evaluation of residential heating and cooling systems. Discusses the basis for monitoring procedures and experimental design for performance evaluation. Outlines a strategy for testing multiple heating or cooling systems under varying outdoor and indoor conditions. Describes specifications for measurement parameters, monitoring instrumentation and locations, plus data acquisition hardware and procedures. Also includes protocols and schedules for occupancy simulation and for quality assurance and control activities. States the design and protocols described will be useful to researchers and manufacturers in having a well-defined, common basis for testing heating and cooling systems in residential settings.KEYWORDS: Designing, testing, heating, cooling, housing, research