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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 -
Gas-Fired Absorption Heat Pump: Hybrid System Approach Field Study
Stone Mountain Technologies Inc. (SMTI) has developed a residential-sized gas-fired absorption heat pump designed for broad residential and commercial applications. These prototype systems were tested in the Chicago region at one multifamily building and two single-family homes, either replacing or supplementing existing natural gas heating equipment. The multifamily demonstration, supported by a boiler manufacturer and…
Commercial + Industrial|Natural Gas|Residential -
Oregon Residential Code Compliance Evaluation
The Northwest Energy Efficiency Alliance (NEEA) contracted with Industrial Economics, Incorporated (IEc) and its subcontractors to conduct a residential code compliance evaluation that examined new construction single family homes built under the 2021 Oregon Residential Specialty Code (ORSC). The evaluation looked at whole-home and measure-level compliance with the code, opportunities to increase compliance with the…
Residential -
Q3 2025 RETAC Meeting Notes
The Regional Emerging Technology Advisory Committee (RETAC) held their third quarterly meeting of 2025 on September 24th. Topics included 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 -
Compliance & Conformance: Enabling Grid-Responsive Heat Pump Water Heaters
Virtual
October 28, 2025
10:30 am – 12:00 pm
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 water heaters behave in response to…
Residential -
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 -
Northwest Market Characterization Study
The Northwest Energy Efficiency Alliance (NEEA) commissioned a study by LD Consulting to assess the characteristics of rural, suburban, and urban residential markets across the Northwest. With a focus on advancing access and accelerating energy efficiency, the research set out to compare consumer behaviors, supply chain dynamics, and other workforce and market features. The primary…
Residential -
Dual-Fuel Heat Pump Systems Analysis
The Northwest Energy Efficiency Alliance (NEEA) is exploring the potential of dual-fuel heat pumps for residential heating and cooling in the Northwest. To support this work, NEEA contracted with Larson Energy Research to develop a model that compares various technologies. The study used 2022 Residential Building Stock Assessment data to evaluate current and emerging systems,…
Natural Gas|Residential -
HVAC Hits the Road: NEEA Staff and Stakeholders Visit Daikin Experience Center
Earlier this summer, Daikin Comfort Technologies North America brought together staff from the Northwest Energy Efficiency Alliance (NEEA), utility staff, implementation partners, and employees from regional installation companies for a site visit to the Daikin Seattle Experience Center in Tukwila, Washington. The visit supported ongoing efforts for utility and NEEA staff to engage directly with the…
Commercial + Industrial|Residential