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Commercial Secondary Windows Field Test
The Northwest Energy Efficiency Alliance (NEEA) contracted with Energy 350 to lead a field study for commercial secondary windows (CSW), a product that NEEA identified as an envelope improvement technology with energy-saving potential. From 2020 – 2022, Energy 350 assessed the energy savings potential, reliability, non-energy benefits, and simple paybacks of six commercial secondary window…
ResourceCommercial + Industrial|Natural Gas -
Commercial Secondary Windows Field Observations and Decision-Maker Interviews Report
The Northwest Energy Efficiency Alliance (NEEA) contracted with Energy 350 to observe and document the installation of commercial secondary windows (CSWs) at several commercial sites across the Northwest states of Montana, Oregon and Washington. CSWs are a window attachment product with insulative and noise abatement benefits that are designed to address existing low-performing windows in…
ResourceCommercial + Industrial -
Summary of Field Evaluation of Non-Glass Interior Secondary Window Attachments
As part of its building envelope work, the Northwest Energy Efficiency Alliance (NEEA) focuses on commercial secondary windows’ technical potential and market transformation opportunity. Secondary windows are currently available in the market, however, less is known about the relative cost and performance of products with panes of non-glass materials such as acrylic or film as…
ResourceCommercial + Industrial -
Commercial Secondary Window Program Development Research
As part of its Window Attachments program, the Northwest Energy Efficiency Alliance (NEEA) is investigating the market potential for Commercial Secondary Windows (CSW), which are secondary windows that can be added to existing commercial windows to improve overall building performance. In late 2020, NEEA contracted with Cadeo Group to conduct the Commercial Secondary Windows Program…
ResourceCommercial + Industrial -
Thin Triple Pane Windows: A Market Transformation Strategy for Affordable R5 Windows
As part of scanning work for Building Envelope opportunities, the Northwest Energy Efficiency Alliance (NEEA) contracted with Stephen Selkowitz Consultants to execute research on thin triple pane windows. The report begins with a detailed description of the product evolution and provides insights on the current state of the window market. It then outlines a plan to…
ResourceCommercial + Industrial -
Commercial Window Attachments: Secondary Window Market Characterization
The Northwest Energy Efficiency Alliance (NEEA) contracted with Evergreen Economics to conduct a market characterization of the commercial market for secondary windows in the Northwest. This work was conducted between August 2019 and January 2020. Secondary windows are retrofit products which use a frame to add one or more additional layers of glazing to an…
ResourceCommercial + Industrial -
RBSA II – Field Data Collection Form
This tool is meant to provide insight into the data points captured during the RBSA. Each worksheet has three columns:
ResourceResidential -
Secondary Glazing System Moisture Transfer Analysis and Validation
Northwest Energy Efficiency Alliance (NEEA) worked with Secondary Glazing System (SGS) manufacturers to measure the performance of their products using industry standard window testing procedures. This effort allowed building owners and design teams to effectively compare available product performance with consistent baseline conditions. The Ernest Orlando Lawrence Berkeley National Laboratory conducted this study to simulate…
ResourceCommercial + Industrial -
Energy Efficiency Through Windows
NEEA’s Window Attachments Initiative recently went through Initiative Start and is ready to begin market interventions. One of the products being investigated is a new- to-the market window attachment that is similar to traditional storm windows, but offers greater energy efficiency for the residential sector. At the same time, the product is significantly less expensive…
ResourceResidential -
Window Attachment Opportunity Assessment for the Pacific Northwest
Laboratory and field studies sponsored by the U.S. Department of Energy, Bonneville Power Administration, and others demonstrate that the use of window attachments can lead to significant heating and cooling building energy savings. This report provides a summary of commercially available window attachments in the market and characterizes these attachments in terms of energy efficiency,…
ResourceCommercial + Industrial|Residential