Ecooler Hollow Ceramic Cooling Screen


Mey and Boaz Kahn, Studio Kahn, submitted this ecooler screen for iida 2010 and took home third prize.  Ecooler is a concept hollow tile that connects with other tiles, creating a wall of water-filled ceramics.  It's intended to provide an alternative option for cooling internal spaces by seepage and evaporation during the day, according to DesignBoom


By |October 7th, 2010|Energy Efficiency, Green Tech|0 Comments

First Platinum Multifamily Homes in SFC


Belles Townhomes, a new residential project in the Presidio, recently took home LEED Platinum certification, according to a press release by LivingHomes.  Designed by KieranTimberlake, the seven-unit multifamily community will open for leasing later this year.  Belles Townhomes overlooks shared green space and was developed by Forest City in partnership with The Presidio Trust.


By |October 6th, 2010|LEED, Modern architecture, Multifamily|5 Comments

Passive House Retrofit in California


It’s official, construction is complete on the first Passive House project in California and the first Passive House retrofit in the nation.  Designed by Lail Design Group and built by Solar Knights Construction, the O’Neill Passive House is an example how to greenly renovate an older home to superior energy efficiency standards.


By |October 4th, 2010|Passive House, Single Family|4 Comments

Passive House: Brighter Shade of Green


Today, the most viewed and emailed article on the NY Times is one on Passive House, “Can we Build in a Brighter Shade of Green?”  The concept of Passive House has been growing in popularity over the last eight years or so, especially in green building circles.  These homes are ultra energy-efficient and, with some on-site energy generation, can be energy neutral or energy producing.


By |September 26th, 2010|Energy Efficiency, Passive House|1 Comment

How to Insulate an Uninsulated House

The folks at GreenovationTV and Old House Web are working on a net-zero energy renovation of a 100-year-old home.  Through the process, they’re posting helpful videos, including this one on insulating uninsulated spaces.  This kind of information is on the money for anyone living in an existing home, especially if you’re like me and you own an old house from 1958!


By |September 22nd, 2010|Energy Efficiency|1 Comment

How to Weatherize Your Home for Fall

A guest post by Anne Maertens from

Have you started closing your windows at night? That’s a good sign that it’s time to start getting your home ready for fall. An important part of your fall preparations should be weatherizing your home so you can enjoy a comfortable abode without having to sign over your paychecks to your natural gas, propane or oil providers.


By |September 20th, 2010|Energy Efficiency, News|4 Comments