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Commercial HPWH Product Assessment Datasheet (PADS)
For commercial 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.”
Commercial + Industrial -
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 -
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 -
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 -
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 -
Advanced Water Heating Specification
This document succeeds the Northwest Energy Efficiency Alliance’s (NEEA’s) previous Advanced Water Heating Specification (AWHS Version 8.0). This version includes substantial updates to Chapters 2 and 3. For residential water heaters, demand response requirements are met through OpenADR Alliance’s EcoPort certification, split-systems are qualifiable for interior and/or exterior applications, and Plug-ins will be evaluated with…
Residential -
Heat Pump Water Heaters in Multifamily New Construction: Design Charrette Findings
After discovering unique building design and installation challenges of heat pump water heaters (HPWHs) in low-rise multifamily housing, the Northwest Energy Efficiency Alliance (NEEA) saw an opportunity. To better understand the opportunity at hand, NEEA staff collaborated with Energy Trust of Oregon staff to identify solutions that overcome these challenges and increase adoption of HPWHs…
Commercial + Industrial|Residential -
Cold Climate Demonstration Installation & Water Heater Installer Focus Group Research
The Northwest Energy Efficiency Alliance (NEEA) contracted with ILLUME Advising in Q4 2022 to pursue two concurrent studies around water heater installers. The first was intended to focus on observational research of cold climate heat pump water heater (HPWH) installations in the Northwest to better understand the depth of previously established installation challenges, specifically in…
Residential -
Energy-Efficient Technology in Cold Weather – Bridger View On-Site Research
The Northwest Energy Efficiency Alliance (NEEA) contracted with JG Research & Evaluation, LLC in the fall of 2021 to conduct a study of the new Bridger View housing development in Bozeman, Montana. The purpose of the study was to better understand how a cold weather climate may influence the adoption and performance of various technologies…
Residential -
Cost Benefit Model Analysis for Heat Pump Water Heaters
NEEA contracted with Larson Energy Research to conduct a third-party review of specific aspects of its 2022 Heat Pump Water Heater (HPWH) Benefit Cost Model. Key activities included: The report recommends an alternative method for extrapolation of sales that requires fewer assumptions. It also recommends several updates to assumptions in support of assessing HPWH market…
Residential