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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 -
High-Performance HVAC Market Progress Evaluation Report 1
The Northwest Energy Efficiency Alliance (NEEA) contracted with NMR Group and Apex Analytics to complete the first Market Progress Evaluation Report (MPER) of NEEA’s High-Performance HVAC program. The High-Performance HVAC program promotes very high efficiency dedicated outside air systems (DOAS), a technology that can dramatically reduce energy consumption in commercial buildings. As the initiative’s first…
Commercial + Industrial -
Efficient Rooftop Units Market Progress Evaluation Report #1
The Northwest Energy Efficiency Alliance (NEEA) contracted with Apex Analytics to conduct the first Market Progress Evaluation Report (MPER) for the Efficient Rooftop Units (Efficient RTU) program. Conducted between June 2023 through May 2025, the study assessed market awareness, availability and adoption of efficient RTUs as alternatives to standard models. As the program’s first MPER,…
Commercial + Industrial|Natural Gas -
Distributed Pumping for Commercial HVAC Systems
Recorded on July 1, 2025 – Grundfos Distributed Pumping is a hydronic system design that optimizes the entire HVAC system while improving occupant comfort. It replaces energy wasting balance and control valves in HVAC systems with intelligent, reliable and maintenance-free pumps that generate pressure only when and where it’s needed. Removing the balancing and control…
Commercial + Industrial -
National Efficient Rooftop Unit Energy Modeling
The Northwest Energy Efficiency Alliance (NEEA) contracted with Resource Innovations and A2 Efficiency to conduct a modeling study on commercial HVAC efficiency measures for various types of commercial rooftop unit (RTU) equipment. The study sought to understand energy-savings potential across different climate zones and present a comprehensive analysis of these of these measures. The research…
Commercial + Industrial|Natural Gas -
Dual-Fuel HVAC White Paper
Advancing dual-fuel residential HVAC to achieve a reliable, resilient and affordable energy future. North America’s energy system stands at a pivotal juncture, necessitating innovative and multifaceted approaches to support future resilience and reliability. Integrating natural gas and electricity can be a flexible and resilient solution to meeting the growing needs of our energy system. Dual-fuel…
Commercial + Industrial|Natural Gas|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 -
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 -
Variable Speed Heat Pump Baseline and Key Assumptions Review
As part of its Variable Speed Heat Pump (VSHP) program, the Northwest Energy Efficiency Alliance (NEEA) contracted with Cadmus Group for an independent review of the program’s naturally occurring baseline market share forecast and key assumptions for central/ducted Low Load Efficient VSHPs. Between March-May 2023, Cadmus reviewed NEEA’s data sources, documents and calculations, and then…
Residential