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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…
New Construction|Products|Residential|Residential Buildings|Technology -
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…
New Construction|Products|Residential Buildings|Technology -
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…
Heating and Cooling|Integrated Systems|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|Commercial Buildings|Industrial|Integrated Systems|Products|Technology -
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…
Products|Residential|Technology -
Plug-In Heat Pump Water Heaters: An Early Look to 120-Volt Products
The Northwest Energy Efficiency Alliance (NEEA) contracted with Larson Energy Research and Cascade Engineering Services, Inc. to conduct a laboratory assessment of the Rheem 120-volt heat pump water heaters (HPWH), a new class of HPWH coming to market that can operate on a 15-Amp, 120-Volt circuit. This report seeks to answer questions about their performance…
Products|Residential -
CTA-2045 Water Heater Demonstration Project
The Northwest Energy Efficiency Alliance (NEEA) supported the Bonneville Power Administration (BPA) with this CTA 2045 Water Heating Demonstration project. The project sought to create a market transformation plan that would put the Northwest on a path to make hot water heating load shifting simple for customers without affecting their lifestyle. To do this, the…
Integrated Systems|Products|Residential|Technology -
Analysis of Expanded Efficiency Parameters for Very High Efficiency DOAS
As part of its High-Performance HVAC program, the Northwest Energy Efficiency Alliance (NEEA) focuses on defining a very high efficiency dedicated outside air system (very high efficiency DOAS) configuration, including the various types of products and recommendations to designers and installers of systems. NEEA contracted with Red Car Analytics to conduct this report, which intends…
Commercial|Commercial Buildings|Heating and Cooling|Integrated Systems|New Construction|Technology -
Demand Response of Residential HVAC
To ensure the continued availability of energy-efficient products, services and practices to Northwest consumers, the Northwest Energy Efficiency Alliance (NEEA) conducts exploratory work to identify, develop and advance promising energy efficiency technologies and opportunities. As part of these research efforts, NEEA contracted with Cadeo to understand the demand response (DR) potential of residential HVAC equipment…
Residential