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Report
How does the Passive House Institute U.S. (PHIUS) Certification construction compare to conventional high-performance approaches to construction in affordable housing? To understand the impact, our researchers performed a field study to monitor and evaluate two different Chicago-area six-flat properties to gain valuable insights on the value of passive design. More
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Dust created during a weatherization job or home performance upgrade is more than just a nuisance—in some cases, it can pose health and safety risks. Effective dust control can protect workers and occupants from lead or asbestos, improve project efficiency, and boost customer satisfaction. Cory Chovanec, Building Science Specialist, shared dust control best practices for the winter 2019 edition of Home Energy Magazine.
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Report
Q-Sync motors are a new type of innovative, highly efficient and cost-effective, permanent magnet synchronous (PMSM) motor. Between our own field research and the existing literature, studies find that in reach-in and walk-in cooler and freezers, Q-Sync motors cost-effectively use 50% - 80% less energy than traditional shaded-pole (SP) and permanent split capacitor (PSC) motors, and are even more efficient than the newer electronically commutated (EC) motors. More
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Abstract
Effective consumer marketing is a significant contributor to the success of residential energy efficiency programs. Often overlooked, however, is the program marketing and promotion potential which lies within a service territory’s trade ally network. More
Report
Community-based energy efficiency programs foster social connectedness to transform the way people consume energy—relying on group interaction, peer support, and communal resolve to impact behavior. A community can be defined by geography, such as a city or neighborhood, or by a shared characteristic, such as employees of a business, fans of a sport, or members of a social network More
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Executive Summary
The verdict is in. The research community has identified electrification as a key strategy to decarbonize the economy. Two fundamentally powerful trends contribute to this new opportunity. First, the electric supply mix continues to experience an increased penetration of natural gas, wind and solar, which is rapidly reducing the electric power sector’s emissions rate. Second, existing and new electric powered equipment are increasingly exhibiting higher efficiency levels and lower lifetime costs than their fossil fuel powered counterparts. More
Report
Commissioning and retro-commissioning (RCx) are critical in propelling building performance—but what happens once retro-commissioning is complete? Do the energy savings continue long after installation? And why do some buildings see long-lasting results, while others don't? We set off to answer these questions and more through a comprehensive study of the persistence of energy savings. More
Report
We studied the viability of performance-based procurement (PBP) to achieve higher energy savings, without increasing capital cost to owners, through early owner involvement, goal setting and energy modeling. The study also examined the role that conservation improvement programs (CIPs) could play in supporting this approach. We tested the PBP method in six pilot projects and observed the outcomes. We supplemented our study with assessment of existing programs, interviews and analysis through the Sustainable Buildings 2030 program, and outreach to energy modeling professionals. More
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