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Repeatability, Testing, and Rating of HRV and ERV Technologies using CSA SPE-18:24
Sponsored by the Northwest Energy Efficiency Alliance (NEEA) and conducted by Purdue University, this study evaluated the new CSA SPE-18:24 testing standard for Heat Recovery Ventilators (HRVs) and Energy Recovery Ventilators (ERVs) by testing four commercial products representing major HRV/ERV technologies. The objectives were to assess test repeatability, develop seasonal performance models, evaluate leakage testing…
Commercial + Industrial -
NEEA Brings Market Transformation Expertise to 2026 ACEEE Summer Study
Members of the Northwest Energy Efficiency Alliance team will join energy efficiency professionals from across the country at the 2026 ACEEE Summer Study in California. Learn more about the papers and presentations they’ll be sharing.
Commercial + Industrial|Residential -
Dual-Fuel Domestic Hot Water Feasibility Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope to conduct a feasibility study of domestic hot water systems that integrate commercial electric heat pump water heaters and natural gas water heaters, primarily in multifamily buildings. The study examined the technical feasibility, gas savings potential, market opportunity, design considerations, and regulatory requirements associated with these dual-fuel systems. …
Commercial + Industrial|Natural Gas -
HVAC Thermal Storage for Enhanced Heating & Cooling
Recorded July 14, 2026 – Adding energy storage to buildings not only saves energy, energy costs, water and carbon, but it now gets a boost with substantial federal tax incentives. Presentation covers innovations, challenges, and opportunities in the transition to electrified heating systems using thermal storage. Several system choices will be reviewed from a high-level…
Commercial + Industrial|Residential -
Q2 2026 RETAC Meeting Notes
The Regional Emerging Technology Advisory Committee (RETAC) held their second quarterly meeting of 2026 on June 17th. Topics included a review of the research around heat pumps conducted by the Electric Power Research Institute, as well as an overview of current projects by the Emerging Technologies Collaborative (ETC), which is part of the Consortium for…
Commercial + Industrial|Residential -
Commercial HPWH Qualified Products List
The Commercial/Multifamily HPWH Systems QPL contains information on Commercial and Multifamily products that meet the Advanced Water Heating Specification requirements. These products generally serve more than four dwelling units or a commercial load (as defined in the specification). Products can be integrated or split systems. Please contact us with any questions. Updated as of 2026 – Version…
Commercial + Industrial -
Commercial Secondary Windows – A Solution for Existing Buildings
Virtual
August 11, 2026
10:30 am – 12:00 pm
Commercial Secondary Windows (CSWs) are retrofit glazing systems installed on the interior or exterior side of existing windows in commercial buildings. They are designed to improve energy efficiency and occupant comfort while reducing sound transmission and air leakage, all without requiring the expense and disruption of full window replacement. Secondary windows typically consist of an…
Commercial + Industrial -
HVAC Thermal Storage for Enhanced Heating & Cooling
Virtual
July 14, 2026
10:30 am – 12:00 pm
Adding energy storage to buildings not only saves energy, energy costs, water and carbon, but it now gets a boost with substantial federal tax incentives. Presentation covers innovations, challenges and opportunities in the transition to electrified heating systems using thermal storage. Several system choices will be reviewed from a high-level overview followed by a little…
Commercial + Industrial -
Q2 2026 CICC Meeting Notes
In the Q2 May 27th CICC meeting Committee members will hear from Anne Curran NEEA Sr. Program Manager and panelists from Energy Trust of Oregon, Seattle City Light, and Snohomish PUD on Luminaire Level Lighting Controls (LLLC) Education, while also engaging the committee in a roundtable discussion on each organizations progress, challenges, and lessons learned…
Commercial + Industrial -
Design Research for Whole Building Energy Efficiency Concepts
The Northwest Energy Efficiency Alliance (NEEA) contracted with ETHNO, LLC to conduct research and gather feedback on proposed Market Transformation concepts for the Whole Building Special Project. With ETHNO support, NEEA conducted a three day in-person design workshop to identify promising Market Transformation concepts to accelerate commercial upgrades in small and medium-sized buildings. NEEA then built paper prototypes of the five resulting concepts. In Q4 2025, ETHNO tested these early concepts by interviewing commercial…
Commercial + Industrial