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Navien Dual-Fuel Residential Heat Pump Water Heater
Recorded November 12, 2025 – Navien is preparing to launch a dual-fuel residential heat pump water heater that includes an efficient electric heat pump and an efficient gas burner. This combination will offer high efficiency, fuel flexibility, and significant customer benefits. In this special session product council, Navien shared details of the product, their test…
Residential -
Conformance & Compliance: Enabling Grid-Responsive Heat Pump Water Heaters
Recorded on October 28, 2025 – As part of NEEA’s End-Use Load Flexibility work, NEEA contracted with Portland State University to test residential heat pump water heaters and determine how they respond when receiving CTA-2045-B signals. The results of this research uncover whether the water heaters meet the messaging requirements of CTA-2045-B and how the…
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Q3 2025 RETAC Agenda Packet
The Regional Emerging Technology Advisory Committee (RETAC) will hold their third quarterly meeting of 2025 on September 24th. Topics include a committee “round robin” discussion of energy efficiency initiatives within the region, and an update on emerging technology projects from Puget Sound Energy.
Commercial + Industrial|Natural Gas|Residential -
Empowering Meaningful Measurement & Verification with EcoDash
As new commercial Heat Pump Water Heater (HPWH) products enter the market, monitoring their field performance is critical to ensure proper design, installation, and maintenance, and that energy savings are actualized. EcoDash, Ecotope’s online data viewing tool, provides a standardized, open-source platform for sharing measurement and verification (M&V) data aligned with the Advanced Water Heating…
Commercial + Industrial -
Residential HPWH Product Assessment Datasheet (PADS)
For residential heat pump water heaters (HPWH) to be considered for inclusion on the Qualified Products List, HPWH product vendors must complete and submit a Product Assessment Datasheet (PADS). The PADS outlines compliance with the requirements within NEEA’s “Advanced Water Heating Specification.”
Residential -
High Efficiency Gas Water Heater Research
In the spring of 2024, NEEA contracted with ILLUME Advising to improve understanding of the current residential gas water heater market, identify purchase motivators for people with high-efficiency gas equipment, and see if and where there is a market for a commercialized gas heat pump water heater (GHPWH). NEEA hypothesized that there was potential to…
Natural Gas|Residential -
Market Research on Existing Water Heaters in Select Commercial Buildings, Final Report
In the spring of 2024, the Northwest Energy Efficiency Alliance (NEEA) contracted with Lieberman Research to conduct a market research study to better understand gas and electric water heating systems across a selection of commercial buildings in the Northwest, with particular focus on the gas market. These buildings included restaurants, lodging facilities and non-mixed use…
Commercial + Industrial|Natural Gas -
Water Heater Flexible Load Conformance White Paper
Utilities have used residential loads for providing grid services to utility customers for decades, particularly for demand response. However, the number of customers participating in such programs remains low. New Flexible Load Management strategies for providing grid services have the potential to accelerate customer participation. Efforts to improve customer participation and experience will result in…
Residential