This project will evaluate new applications of aerosol sealing, a product used to seal buildings primiarily in new construction, to sealing in existing homes. Previous studies have shown that half of the leakage in new California homes occurs through the attic so addressing leakage at the attic...

This project is an open source supervisory control technology development and demonstration of ASHRAE Guideline 36 (G36), ASHRAE 2021. The promise of G36 is that the standardization of the sequence of operations (SOO) allows manufacturers to program and centrally test the control logic and then...

The High Efficiency Dehumidification System (HEDS) technology of interest is a new and patented technology developed in Southern California with energy savings potential for air handlers with chilled water cooling and hot water reheat. The technology was first developed to address dehumidification...

Variable air volume (VAV) HVAC systems dominate the commercial building market but have widely varying performance, with a well-documented performance gap between best-practice and typical operation. Two recent studies by Lawrence Berkeley National Lab and the California Energy Commission (CEC)...

One of the greatest underutilized opportunities for energy savings in buildings through retrofits and retro-commissioning is optimized HVAC system sequence of operations (SOO). A recent EPIC Best In Class research project funded by the California Energy Commission showed that implementation of...

The laboratory evaluation of a commercial, whole-building, integrated control system project aims to achieve whole-building energy and demand reduction, load flexibility, improved occupant comfort, and reductions in control system installation costs by integrating control of multiple building...

A new energy-saving product called an air management system (AMS) has been developed as a drop-in replacement for compressed air filter-regulator-lubricator (FRL) assemblies. The AMS saves energy by reducing pressure to large pneumatic end-uses during idling and cutting off air supply during...

This field demonstration project in a full service restaurant involves pre-retrofit energy monitoring of existing domestic hot water systems, the installation of single-pass air-source heat pumps (HPs) and other efficiency measures, and post-monitoring of optimized systems. Hot water is primarily...

The California Plumbing and Energy Codes do not mandate master mixing valves (MMV) for temperature control of domestic hot water (DHW) recirculation systems. Prior lab or field studies has not investigated the energy savings potential of MMV in recirculation systems. While some applications such as...

Water heating for food service applications represents 340M therms of gas consumption in California, and thus presents a significant opportunity for electrification, as well as significant efficiency improvements in retrofits and new construction applications. Public-facing design guides specific...