The Pacific Gas & Electric company (PG&E) installed a zero net energy (ZNE) classroom demonstration at its Stockton Energy Training Center (ETC), which opened to the public on December 13, 2012. The ZNE classroom demonstration is a fully functioning classroom, that is designed as a ZNE...

The purpose of the project to demonstrate capabilities of AutoDR enabled OCSTs in light commercial settings. This phase will field test a different vendor than phase 1, at a different fast food...

This report presents findings from a field study of an indirect evaporative air conditioner installed as a retrofit at a small restaurant in Rocklin, CA. The study broadens general understanding about application of indirect evaporative cooling systems, documents the level of performance that...

Four different retrofit RTU controllers were tested on four 7.5 ton heat pumps serving office space at one building in San Diego. The operation of those units was alternated on a weekly basis from baseline to retrofit mode. Proper operation of the each controller was verified and the features of...

This is the final report for 2012 phase (Phase II) of the boiler research performed at PG&E’s Applied Technology Services (ATS) in support of ASHRAE Standard 155P. Standard 155P, “Method of Testing for Rating Commercial Space Heating Boiler Systems”, has been under development by ASHRAE for...

This project was designed to evaluate strategies and tactics for implementation of ACCA Standards 180 and 4. In order to explore further development and marketing of the HVAC Quality Maintenance (QM) program, PG&E conducted customer research with the objectives to: (1) understand...

In many cases, buildings lack automatic ventilation feedback and are consequently over-ventilated. This report investigates the potential energy savings for a demand control ventilation (DCV) system with centralized air quality sensors. This technology aims to maintain or improve building comfort,...

Evaluate an Evaporator Fan Delay controller for air conditioning...

This report presents a number of new supporting controls technologies that have the potential to enable new energy-saving functionalities in buildings. However, not finding any appropriate existing tools to estimate energy savings, the Consultant developed streamlined methods that can be used to...

This research project aims to evaluate a Fault Detection and Diagnostics (FDD) product capable of identifying problems associated with the operation of HVAC systems commonly used in commercial buildings including air-handling units, variable air volume (VAV) boxes and chilled water systems.Three...