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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 -
Ductless Heat Pumps: 2025 Market Diffusion Evaluation #3
In the fall of 2024, the Northwest Energy Efficiency Alliance (NEEA) contracted with OWL Research Partners to conduct the third Market Diffusion Evaluation, formerly known as Long-Term Monitoring and Tracking (LTMT), of its Ductless Heat Pump (DHP) program. Since transitioning from active market development in 2020, NEEA has been monitoring the DHP market for signs…
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 -
Ductless Heat Pumps 2022 Long-Term Monitoring and Tracking Report
This is the second Long-term Monitoring and Tracking (LTMT) evaluation of the Northwest Energy Efficiency Alliance’s (NEEA) Ductless Heat Pumps (DHPs) Market Transformation program. NEEA actively worked to accelerate adoption of DHPs from 2008 to 2020. The objective of this LTMT study was to gauge adoption of DHPs by the Northwest’s residential HVAC market, specifically…
Residential -
Study of Influences on Northwest Variable Speed Heat Pump Adoption
The Northwest Energy Efficiency Alliance’s (NEEA) Variable Speed Heat Pump (VSHP) program contracted with Lieberman Research to conduct qualitative market research about influences on ducted VSHP market adoption in the Northwest. Research objectives included 1) Determining influences on central ducted VSHP sales in the Northwest, including direct and indirect influences from NEEA’s Northwest Ductless Heat…
Residential -
Demand Response of Residential HVAC
To ensure the continued availability of energy-efficient products, services and practices to Northwest consumers, the Northwest Energy Efficiency Alliance (NEEA) conducts exploratory work to identify, develop and advance promising energy efficiency technologies and opportunities. As part of these research efforts, NEEA contracted with Cadeo to understand the demand response (DR) potential of residential HVAC equipment…
Residential -
Heat Pump and Air Conditioner Efficiency Ratings: Why Metrics Matter
This white paper examines efficiency metrics (ratings) for residential and small commercial heat pumps and explores the potential benefits and impacts of improving those metrics. It presents evidence that existing metrics are not reliable, particularly for modern, variable-speed heat pumps and air conditioners that are expected to be more efficient, but don’t always live up…
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Variable Speed Heat Pump Product Assessment and Analysis
The Northwest Energy Efficiency Alliance (NEEA) contracted with the Center for Energy and Environment to assess currently available centrally ducted variable speed heat pumps (VSHPs), also known as variable capacity heat pumps. The primary objective was to develop a better understanding of currently available products, pricing, performance specifications and equipment features. The research team developed…
Residential -
Variable Speed Heat Pumps – Technical Best Practices Gap Analysis
As part of the Variable Speed Heat Pump (VSHP) program, the Northwest Energy Efficiency Alliance (NEEA) contracted with TRC to capture the status of best practices for VSHP installations. Research goals included 1) Capturing the current state of best practices for residential VSHP installations; 2) Identifying where gaps of knowledge exist, and; 3) Providing a…
Heating and Cooling|Products|Residential|Technology