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Home Energy Metering Study Data Standardization and Peak Load Analysis
The Home Energy Metering Study (HEMS) collected one-minute, circuit-level energy use data from more than 400 homes across the Northwest between 2018 and 2026, resulting in a dataset of more than 14 billion data points. The HEMS Data Standardization and Peak Load Analysis, prepared by Resilient Edge and Linden Clean Energy, draws on data from…
Residential -
End-Use Load Research Home Energy Metering Study – Final Report
This is the final report for the residential End-Use Load Research (EULR) project Home Energy Metering Study (HEMS), conducted by Evergreen Economics. HEMS collected one-minute, circuit-level energy use data from more than 400 homes across the Northwest between 2018 and 2026, resulting in a dataset of more than 14 billion data points. This report examined…
Residential -
ERV/HRV Ownership and Maintenance Market Research
The Northwest Energy Efficiency Alliance (NEEA) contracted with MarketWise Advising, LLC to conduct market research with commercial HVAC contractors, facilities managers, tenants, and building owners on the maintenance of energy and heat recovery ventilators (ERVs/HRVs) which are a key component of NEEA’s commercial HVAC programs. Data collected in fall 2025 explored perspectives on installing, commissioning, cleaning, and…
Commercial + Industrial -
ResHVAC Dual-Fuel Systems Analysis
Recorded March 10, 2026 – Gas and electric systems can be combined in multiple ways to provide residential space conditioning. Different combinations and control schemes will lead to different operating costs, energy use, and emissions. NEEA conducted an exploratory analysis to identify dual fuel systems with lower operating costs, reduced energy use, and reduced emissions…
Residential -
Heat Pump Equipment Commissioning Systems
Recorded January 26, 2026 – Heat Pump Equipment Commissioning Systems’ use of cellular phone apps, combined with wireless tool connectivity to the HVAC system, is enabling HVAC technicians to more easily understand if the system they are installing is set-up and operating correctly. In this special session held on Monday, January 26th, representatives from Measure…
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Low-Load Efficient Heat Pump Investigation: 2020 – 2025 Summary Report
The Northwest Energy Efficiency Alliance’s (NEEA) Advanced Heat Pump program is working to transform the market for high efficiency residential heat pumps. A key focus for the program is improving product differentiation so consumers and industry professionals can easily identify systems that deliver cost-effective performance to make more informed purchase decisions. One important differentiator the…
Residential -
Q4 2025 RETAC Meeting Notes
The Regional Emerging Technology Advisory Committee (RETAC) held their fourth quarterly meeting of 2025 on December 4th. Topics included a discussion about Central Commercial Heat Pump Water Heaters, an emerging technology update from Energy Trust, as well as an overview and review of key projects by the National Lab of the Rockies.
Commercial + Industrial|Residential -
Q4 2025 RETAC Agenda Packet
The Regional Emerging Technology Advisory Committee (RETAC) will hold their fourth quarterly meeting of 2025 on December 4th. Topics include a discussion about Central Commercial Heat Pump Water Heaters, an emerging technology update from Energy Trust, as well as an overview and review of key projects by the National Renewable Energy Laboratory.
Commercial + Industrial|Residential -
Commercial HVAC Specifier Market Research: Gas High Efficiency DOAS
The Northwest Energy Efficiency Alliance (NEEA) contracted with OWL Research Partners to conduct market research with commercial HVAC specifiers to inform NEEA’s understanding of the market for gas high-performance HVAC systems. Data collected in summer 2025 explored opportunities and barriers for adding gas to NEEA’s High-Performance HVAC program, characterized the market landscape, and assessed specifiers’ perceptions of system configurations in hypothetical scenarios aligned with the program’s targeted approach. The study found that…
Commercial + Industrial|Natural Gas