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179 Henry Street
A Case Study in Converting from Two-Pipe Steam to Hydronic Heating
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Unvented Gas Space Heaters: Drainless Sinks?
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The other day I went to the building supply store looking for materials for my kitchen remodel. [continue reading]

Radiator Valves Prevent Apartment Overheating
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Energy auditors cringe when they see open windows cooling off overheated apartments on cold days. By preventing apartment overheating, thermostatic radiator valves (TRVs) can cost-effectively reduce space heating energy use, according to a recent study in New York City. [continue reading]

Choosing a Heating System That Saves Energy
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When something must be done about an old or inefficient heating system, the challenge can be daunting. The decision will affect comfort, energy costs, and the air quality and safety of a home for years to come. [continue reading]

Oh, How I Wish You Could Have Seen ISH!
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If you've ever pulled into a gas station in Europe, you know these folks are serious about energy conservation. [continue reading]

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]



Cortney Krauss
U.S. DOE's HPwES Program Releases Draft Sponsor Guide for Public Comment
The U.S. Department of Energy (DOE)’s national Home Performance with ENERGY STAR Program (HPwES) released the draft&...


Macie Melendez
Passive Proponent—Q&A with Brandon Weiss
President and founder of Chicago-based Weiss Building & Development, Brandon Weiss is a third-generation builder who credits time ...
























