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Modulating Gas Valve for Commercial Dryer Study
As part of its emerging technology work, the Northwest Energy Efficiency Alliance (NEEA) is investigating modulating commercial gas dryers to learn more about the product and its energy efficiency potential. In the Northwest, there are over 50,000 commercial gas dryers, however most of the existing dryers in the region are standard commercial gas-fired dryers with…
Commercial + Industrial|Natural Gas -
Hydrogen-Ready Appliances Assessment Report
In 2022, NEEA contracted with Cadeo Group to assess the current and future needs of natural gas appliances served by a blend of conventional methane and hydrogen. The attached report documents that assessment and provides recommendations for future actions to support efficient and safe use of hydrogen blended fuels in new and existing natural gas…
Natural Gas|Residential -
NEEA Dryer Test Procedure Version 2.0 – Summary of Changes and Rationale
In 2017, the Northwest Energy Efficiency Alliance (NEEA) collaborated with Pacific Gas & Electric to develop a Clothes Dryer Test Procedure that calculates an accurate metric for clothes dryer energy use (Version 1.2). Since then, NEEA conducted laboratory testing and applied the Version 1.2 test procedure to more than 60 dryers to gather information on…
Residential -
Prosaris Compressed Air Leak Detection Initial Field Tests
Compressed air and gas leaks are a persistent problem across industries, wasting valuable resources and energy and impacting operations. Air leak reduction has been identified as a significant source of savings for efficiency programs in the Northwest. As such, NEEA’s emerging technology and product teams are investigating technologies to overcome these challenges and enhance efficiency.…
Commercial + Industrial -
Central Heat Pump Water Heaters for Multifamily Supply Side Assessment Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with New Buildings Institute (NBI) in January 2021 to conduct research and outreach to better understand the current landscape of central heat pump water heater (HPWH) adoption in multifamily buildings. Research objectives included 1) Identifying all primary barriers to central HPWH adoption, 2) Increasing understanding of the value…
Residential -
Study of High-Performance Windows Incremental Manufacturing Cost
The Northwest Energy Efficiency Alliance (NEEA) contracted with Steve Selkowitz, formerly of Lawrence Berkeley National Laboratory (LBNL), to conduct a cost study of high-performance windows. The study sought to quantify the incremental manufacturing cost of upgrading windows from the current dominant market leader, an ENERGY STAR® V6 compliant window with a U-factor of 0.27, to…
Residential -
CSA EXP07: Ongoing Progress, Lessons Learned, and Future Work in Load-based Testing of Residential Heat Pumps
Lessons Learned from Load-Based Testing of Heat Pumps How is performance of variable-speed heat pumps accurately measured? NEEA collaborated with PG&E, BC Hydro, and Purdue University to find out. Using CSA EXP07:19, a load-based test and rating procedure for residential air-source heat pumps and air conditioners, the collaboration determined that load-based testing offers a better…
Residential -
Power Drive System Retrofit Opportunities in the Northwest
The Northwest Energy Efficiency Alliance (NEEA) contracted with Cadeo Group to better understand the market and savings opportunities associated with the use of an adjustable speed motor, also known as a Power Drive System (PDS), in the Northwest. Prior NEEA research shows that there is significant PDS energy savings opportunity at the per-unit level in…
Commercial + Industrial -
Heat Pump Water Heaters in Small Spaces Lab Testing: “The Amazing Shrinking Room”
The Northwest Energy Efficiency Alliance (NEEA) contracted with Larson Energy Research and Cascade Engineering Services, Inc. to conduct a laboratory assessment of space requirements and venting strategies for standard unitary heat pump water heaters (HPWH). The laboratory testing provides detailed information about known but previously unquantified challenges for HPWH efficiency in enclosed rooms. Interpretation and…
Residential