Project SummaryCalifornia and other states with hot dry climates need air conditioners that maximize indoor temperature reductions for the expended energy. This is particularly true at high outdoor temperatures. This study found that existing single speed air conditioners utilizing outdoor units,...

Project SummaryResidential evaporative condensers offer effiency advantages over conventional air-cooled conditioners by utilizing evaporative cooling to improve condensing unit performance. The evaporative cooling process results in a 30-40F reduction in peak refrigerant condensing temperatures...

Project SummaryFume hoods keep laboratories safe and clean by removing unwanted gasses through filters and exhaust fans. But in the process, they consume considerable electricity. One laboratory fume hood uses as much electricity as three homes and produces the greenhouse gas emission equivalent of...

Project Summary:This report summarizes an LED street lighting assessment project conducted to study the applicability of LED luminaires in a street lighting application. In this project, LED lights replaced regular high pressure sodium (HPS) streetlights on several streets in Oakland, California....

Project SummaryFood processing facilities often have concurrent needs for chilling and heating water, operations that are generally provided by natural gas fired boilers and electric driven chillers. This study examines ThermoSorbersTM, combined chiller-heat pumps that provide simultaneous chilled...

Project Summary:This assessment measured the energy savings of a Mechanical Vapor Recompression (MVR) evaporation system compared to a triple effect evaporation system for the production of tomato paste. The MVR system used 89% less natural gas per pound of water evaporated than the triple-effect...

Project SummaryThe specific objective of the study was to analyze the energy consumption of the mechanical vapor recompression (MVR) milk evaporation system at Humboldt Creamery. The results of the MVR energy consumption rate are compared to the energy consumption of typical multi-effect...

Project SummaryTo prolong shelf life, produce such as lettuce, celery, and cauliflower must be pre-cooled to 35 ºF soon after harvest through the use of mobile vacuum refrigeration systems. Looking to reduce this energy use, this project evaluates the use of VFDs on the refrigeration and vacuum...

Project SummaryThis project aims to develop strategies to maximize and accelerate market penetration of efficient consumer electronics. Ultimately, this endeavor will entail building a portfolio of product offerings, ensuring effective delivery channels, and obtaining sufficient energy and demand...

Project SummaryIn-home display (IHD) devices provide homeowners with “real-time” data on total home energy consumption, giving them greater control over energy use and taking the surprise, delay, and mystery out of monthly utility bills. This study determines if IHDs encourage homeowners to curb...