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179 Henry Street
A Case Study in Converting from Two-Pipe Steam to Hydronic Heating
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For HVAC Contractors, Home Performance Delivers a Year-Round Blast
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Last December’s weather was no more extreme than the norm in Tulsa, Oklahoma, where temperatures can swing from above 100°F in summer to below zero in winter. Yet for Air Solutions Heating &... [continue reading]

179 Henry Street
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A Case Study in Converting from Two-Pipe Steam to Hydronic Heating [continue reading]

Unusual Wood-Burning Insert Installation
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Energy expert continues to learn from a deep energy retrofit of his Montana Home. This time he's installing a wood-burning stove to save money, add ambiance, and provide security during emergencies - like when runaway trains knock out a town's power. [continue reading]

Monitoring Results for the Factor 9 Home
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BPI CE
Canadian building scientists and a family of four set out to build a home that uses nine times less energy than the average - and half the water. [continue reading]

Current Status of Residential Cogeneration
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Almost all of our electricity is produced by large centralized power plants that supply power to the electric grid. Only one-third of the fuel energy supplied to these coal and natural gas power plants is ... [continue reading]

Which Comes First, Lighting or Heating?
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BPI CE
How much energy and money do homeowners save - or lose - by replacing incandescent lights with CFLs? [continue reading]

Converting From Steam To Hot Water
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Q . Is it feasible to retrofit cast-iron single-pipe steam radiators to work on hot water from a new combined heating/domestic hot water (DHW) system? And if so, would it ever make sense ... [continue reading]

The Chimney Balloon
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Most homeowners like to have the option of using the fireplace once in a while. I operate Grading Spaces LLC, Home Inspection and Performance Analysis, serving residences in southern Wisconsin since 2002. It’s the ... [continue reading]



Doug Garrett
Home Performance and HVAC Contractors: Recent Legislative Initiative In Texas
As energy auditors and raters went about their business of testing homes, performing energy audits and HVAC system inspections, they ...


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&...



























