Project Reports
Sector | Residential
Project Summary
An ET project could help the resolve the existing impasse regarding ductless mini-splits in the market, and would need to have a field demonstration component which allows actual performance to be compared to central split system heat pumps and develops best practices for the design...
Sector | Commercial Commercial Office Commercial, Small Educational Facilities Government - Institutional Facilities
Project Summary
Demonstrate and Assess High Performance Envelope strategies for commercial buildings and how they interact with Lighting, Daylighting and Office Equipment Loads to better T24 2013 Code compliance by 20-40%.
Sector | Commercial Commercial Office Commercial, Small Educational Facilities Government - Institutional Facilities Industrial - Manufacturing Retail Supermarket Other
Project Summary
In this study, we demonstrated a fast DR system architecture for DR resources participation in ancillary services using the OpenADR 2.0b. One objective was to measure if response time would be 4 sec or less, with response time defined as time to send signal, get response, and...
Sector | Commercial Office Commercial, Small Educational Facilities Government - Institutional Facilities High Technology
Project Summary
In support of California’s strategic plan to accelerate the penetration of energy efficiency technologies, this report presents the findings of a field evaluation of a plug load monitoring and control technology in an office building. The work was executed by Alternative Energy...
Sector | Commercial Commercial Office Commercial, Small Educational Facilities Food Service Industry Government - Institutional Facilities Hospitality Retail
Project Summary
Evaporative cooling building technologies take advantage of the latent heat of vaporization for water to provide comfort cooling. Indirect evaporative cooling technologies achieve this without adding water vapor to the zone supply air. The technology studied here provides condenser...
Sector | Commercial Commercial Office Commercial, Small Educational Facilities Food Service Industry Government - Institutional Facilities Hospitality Retail Supermarket
Project Summary
Traditional, single speed space conditioning equipment operates in one of two states: either on or off. When single speed equipment is operating, it provides 100% heating or cooling output at a fixed efficiency based on the ambient conditions. In recent years, manufacturers have ...
Sector | Commercial Commercial Office Commercial, Small Educational Facilities Food Service Industry Government - Institutional Facilities Hospitality Retail
Project Summary
This report describes the results from field demonstration of evaporative pre-cooling technology on commercial HVAC (heating, ventilation, and air conditioning) equipment for SDG&E (San Diego Gas & Electric) at a field site in California climate zone 10. This study seeks to...
Sector | Residential
Project Summary
Variable capacity heat pumps (VCHPs) have the ability to deliver capacity below and above their nominal rated capacity by changing the speed of the compressor and modulating ancillary components like fans and expansion valves. This flexibility allows for similar component sizes to...
Sector | Commercial Commercial Office Commercial, Small Educational Facilities Food Service Industry Government - Institutional Facilities Hospitality Retail
Project Summary
A heat pump water heater (HPWH) offers a considerable opportunity for energy and demand savings over a conventional electric water heater. This report examines HPWHs for commercial applications by evaluating the performance of a HPWH installed in a condominium building at a time-...
Sector | Commercial Educational Facilities Government - Institutional Facilities Hospitality Other
Project Summary
The goals of the project were: 1) to demonstrate the impact of precise light distribution of LEDs on energy efficiency and lighting quality 2) improve the lighting for broadcasting; 3) complete ballpark lighting control system to improve energy efficiency through control and allow...