Departments
Editorial
Lighting Is the Litmus Test
Letters
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Conservation Clips
Trends
Don't Throw that Window Out the Window!
DinoShowers Sweep Oregon
Manufactured Homes Go Solar
What Price Mobile Homes?
IRS Nips at Utility Rebates
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Feature Articles
by Jonathan Beers
If you avoid the common mistakes, condensing furnaces can typically deliver heating savings of
20%-35%, assuming the old furnace was in the 60% AFUE range.
SPOTLIGHT ON LIGHTING
DESIGN
UTILITY PROGRAMS
MARKETPLACE
CONSUMER GUIDE
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