Sector
Commercial, Public
End-use
HVAC
Project Number
ET12PGE3101
This report documents the results of a pilot field study designed to characterize performance for two indirect evaporative air conditioning products. These systems each utilize indirect evaporative heat exchangers that enable water evaporation to cool a building without adding moisture to the air...
Sector
Commercial
End-use
Lighting
Project Number
ET12PGE1271
To better understand the potential for energy savings through the implementation of bi-level lighting controls in exterior parking and pedestrian spaces, motion detection and data acquisition technologies were installed in selected areas at a total of eight sites in SCE, BPA, and PG&E...
Sector
Residential
End-use
Whole Building, Lighting, Other, Process, Water Heating/DHW/HPWH, HVAC
Project Number
ET12PGE2471
The Honda Smart Home is a fully functional zero net energy (ZNE) home located in Davis, California, containing many advanced design elements. Pacific Gas and Electric Company (PG&E) partnered with Honda to monitor the performance and grid integration of the Honda Smart Home. PG&E also...
Sector
Commercial, Public, Residential
End-use
HVAC
Project Number
E12SCG0018
Project Summary Replacing existing and vintage gravity wall furnaces with high-efficiency models can save gas in apartments, average 35.5...
Sector
Commercial
End-use
Water Heating/DHW/HPWH
Project Number
E12SCG0019
Project Summary
Field tests confirmed 1.07 gpm appeared to be the low limit for pre-rinse spray valves used in 6 restaurants in the LA area. The low-flow retrofit achieved an average of 24.9% energy savings, despite an observed increase in average daily use time. The energy and water savings...
Sector
Commercial, Public, Residential
End-use
Water Heating/DHW/HPWH
Project Number
ET12SCG0003
Project Summary
Retrofit by adding VFD controller to fractional horsepower Hot Water Recirculator in single loop domestic use for apartments and hotels, etc. can save gas 15.6% with a compensating but modest increase in hot water usage of 13.4%; or an average gas savings of about 27 therms per...
Sector
Commercial
End-use
HVAC
Project Number
ET12PGE3102
The primary goal for this project was to characterize energy efficiency of the Munters EPX 5000 in all modes of operation, in all possible configurations, and across a full range of operating conditions. Laboratory test results were carefully analyzed to consider the technical opportunities and...
Sector
Commercial, Agricultural
End-use
Whole Building, Process
Project Number
ET12PGE1401
The project was initiated to test emerging evaluation approaches to identify operational and technical opportunities to optimize energy and water usage of pressurized irrigation systems. The combined evaluation incorporates information derived from a "standard" pump efficiency test and a "standard"...
Sector
Commercial, Agricultural
End-use
Process
Project Number
ET12PGE1431
This project tested performance characteristics of pressure regulating valves and pressure compensating emitters from a variety of manufacturers. In addition to the research, the Consultant coordinated the implementation of these low-pressure components on a commercial agriculture operation and...
Sector
Commercial, Public
End-use
HVAC
Project Number
ET12SDGE0003
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...