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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 -
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 -
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 -
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 -
2025 AHPC Spring Meeting
Recorded July 8, 2025 – The Product Council hosted the Spring Advanced Heat Pump Coalition member webinar on July 8, 2025. During the webinar, each of the work groups provided updates on their current activities. The presentations included: WG#1 – Test Procedures and Ratings; WG#2 – Roadmap and Manufacturer Engagement; WG#4 – Heat Pump Only Homes;…
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 -
Low-Load Efficiency Heat Pump Performance
Recorded on 3/25/25 – This Product Council presented NEEA’s 2023-4 research investigating variable speed system performance at low-load conditions during mild weather conditions. Low-load efficiency is one of the no-to-low-cost market shifts we are pursuing at NEEA, which we believe can generate a 5% gain of fleet-wide performance. The truth is that not all variable…
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