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ENERGY STAR® Windows, Doors, & Skylights Version 7.0 Evaluation
The Northwest Energy Efficiency Alliance (NEEA) contracted with Apex Analytics in 2024 to evaluate what impact, if any, NEEA had on the updated ENERGY STAR Windows, Doors, & Skylights Version 7.0 specification. This evaluation considered both NEEA’s formal engagement in the specification review process and NEEA staff members’ engagement with the market more broadly. Apex…
Residential -
High-Performance Residential Windows Market Share Study
The Northwest Energy Efficiency Alliance (NEEA) collaborated with Minnesota Center for Energy and the Environment (MNCEE) to complete a market sizing study, which is a standard deliverable in the early phase of all NEEA Market Transformation programs. In particular, the study sought to estimate: 1) the number of residential windows sold in the Northwest from…
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 -
High-Performance Windows Baseline Review
As part of its High-Performance Windows program, the Northwest Energy Efficiency Alliance (NEEA) seeks to accelerate and broaden the installation of high-performance windows in residential buildings, with a long-term goal of having over 50% of window sales in the Northwest having a U-Value of 0.20 or less. To enhance its understanding of the current status…
Residential -
Study of High-Performance Windows Incremental Manufacturing Cost
The Northwest Energy Efficiency Alliance (NEEA) contracted with Steve Selkowitz, formerly of Lawrence Berkeley National Laboratory (LBNL), to conduct a cost study of high-performance windows. The study sought to quantify the incremental manufacturing cost of upgrading windows from the current dominant market leader, an ENERGY STAR® V6 compliant window with a U-factor of 0.27, to…
Residential -
High-Performance Windows Market Characterization Study
Thin triple windows (TTW) are emerging as a promising new opportunity for super-efficient residential windows. To understand the awareness of and potential market for TTWs and gain insight into how the mid- and down-stream window markets function in the Northwest, the Northwest Energy Efficiency Alliance (NEEA) contracted with Cadeo to conduct the Market Characterization that…
Commercial + Industrial|Natural Gas|Residential -
HPWH Lab Report_Sanden GAU_09.18.2013
Heat pump water heaters (HPWH) with an outdoor heat exchanger are a promising technology to more efficiently heat water. This project conducted lab tests of a variable-speed, CO2 refrigerant HPWH with the heat exchanger located in the outdoor unit. The testing plan included observing heat pump efficiency at a range of outdoor ambient temperatures from…
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Commercial Windows Initiative Market Progress Evaluation Report #2
The Commercial Windows Initiative (CWI), a project developed and implemented by the West Wall Group (WWG), worked with fenestration market participants from virtually every facet of the market. They worked with manufacturers of commercial windows and window components. CWI reached architects, specifiers, designers and developers to boost demand and market share for energy-efficient, factory-built commercial…
Residential