Latest News

Ductless Mini-Splits and Their Kin: The Revolution in Variable-Refrigerant-Flow Air Conditioning

Ductless Mini-Splits and Their Kin: The Revolution in Variable-Refrigerant-Flow Air Conditioning

Ductless split systems using heat pumps and variable refrigerant flow offer an energy-efficient alternative to conventional heating and air-conditioning systems...
Read More

Counting Carbon: Understanding Carbon Footprints of Buildings

Everyone seems to be talking about measuring carbon footprints and designing carbon-neutral buildings, but these terms mean different things to...
Read More

Certified Wood Credit in LEED Gets Makeover

The U.S. Green Building Council has proposed a revision to the certified-wood credit in its LEED Rating System and has...
Read More

All About Formaldehyde

A naturally occurring organic compound used in binders for composite wood products, among other things, formaldehyde can create serious health...
Read More

USGBC Names Groups to Perform LEED Certifications

Starting in 2009, the U.S. Green Building Council will be handing over LEED certifications to ten outside companies.
Read More
E-mail News Bulletin
Twice a month, fresh news and green product briefs directly to your inbox.

Member Comments

FSC Certification Available for All SierraPine Composites

Douglas Casper says, “Who distributes this product in the metro NY area?” More...


High-Performance Window Films

John Beeson says, “Any evaluation of http://www.huperoptikusa.com/?...” More...


News on the Toilet Testing Front

Rob Meyers says, “Finally, an explanation for the great miso shortage of 2005.” More...


Thermal Mass and R-value: Making Sense of a Confusing Issue

Nadav Malin says, “A Canada Mortgage and Housing Corporation report: Technical Series 07-119, "Monitored Thermal Performance of ICF Walls in MURBs" monitored a...” More...


Ductless Mini-Splits and Their Kin: The Revolution in Variable-Refrigerant-Flow Air Conditioning

Rob Meyers says, “Exciting stuff, GSHP performance without all the cost and hassle. Any word on mini-splits that will heat domestic water...” More...