Energy Efficiency Research

Identifying Problems and Offering Solutions


Proctor Engineering Group combines scientific theory and practical field experience to provide insightful answers to research questions

Proctor Engineering Group is a national resource for research and development services, studying complex systems and interactions to develop understandable, practical conclusions. For more than 14 years, the staff of Proctor Engineering Group has specialized in building systems and subsystems including: HVAC, distribution, building shells, refrigerators, and DHW systems. Proctor Engineering Group has investigated through field, theoretical, and laboratory work the peak, annual consumption, and comfort changes associated with a wide variety of technologies.

Pacific Gas and Electric Company commissioned Proctor Engineering Group to assess the peak impact of High SEER air conditioning. This research showed that SEER was a very poor predictor of peak performance. The research resulted in four new AC designs, each capable of a 0.5 W peak reduction.

This project built and tested a reduced peak consumption air conditioner that was designed in PG&E's Investigation of Peak Electric Load Impacts of High SEER Residential HVAC Units. That study developed four AC designs that had simulated peak loads and annual energy consumption substantially lower than the standard units. The primary goals of this project were to assemble an air conditioner with design parameters close to one simulated design, test it in the laboratory, and calculate potential peak reduction for PG&E.

You will find a complete index of the Proctor Engineering Group Project Reports, Papers and Published Articles which exemplify our services.

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