Spotlight Article:
Part 1: Evaluation of Mini-Split Heat Pumps as Supplemental and Full System Retrofits in a Hot-Humid Climate
More stringent energy efficiency standards and the demand for higher efficiency are increasing the popularity of technologies such as mini-split heat pumps (MSHPs). The market for ductless heat pumps is growing 10–30% annually. The U....
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The Best Boiler and Water Heating Retrofits
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When the Minneapolis Energy Office (now the Center for Energy and Environment) first addressed the issue of improving energy efficiency in multifamily buildings in 1981, the task was a little daunting. [continue reading]
The Key to Persistence
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In a study funded by the U.S. Department of Energy and the Department of Housing and Urban Development, we looked at the savings persistence from equipment retrofits that Citizens Conservation Corporation (CCC) installed in low-income apartment buildings over the past decade. [continue reading]
Condensing Furnaces: Lessons from a Utility
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For the last several years, about 90% of the new natural gas furnaces installed in Wisconsin have been condensing furnaces. [continue reading]
Fireplaces: Studies in Contrasts
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Conventional fireplaces are incompatible with new, tighter housing, or with weatherized homes because of their large air requirements and the incomplete combustion products they produce. [continue reading]
Ground-Source Heat Pumps Gaining Ground
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Ground-source heat pumps (GSHPs), also called geothermal heat pumps or ground-coupled heat pumps, are gaining popularity as efficient space-conditioning systems. [continue reading]
Looking for a Few Good Contractors
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When it comes to heating and cooling systems, consumers are concerned with comfort, as well as price, according to an independent study. Contracting Business magazine wanted to determine what consumers want from their heating and cooling systems. [continue reading]
Some Like It Hot
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Almost everybody knows when they are cold, but it is difficult to predict an individual's thermal comfort for a particular set of conditions. [continue reading]
Downsizing Steam Systems
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Most steam heating systems in use today are oversized, and downsizing those systems can deliver attractive savings. [continue reading]
Leslie Jackson
The Silver Bullet to Zero Energy Affordability, by Paul Springer
Hint: It’s not solar or storage...
Carol Harley, E4 the Future
Look for Us and Win: Faces of EE
Getting ready for HPC18? Plan to stop by the Faces of EE photo booth on April 24 to receive a FREE ...
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