ZeroCottage is a cutting-edge green home under construction in San Francisco. The net-zero energy project by David Baker and Partners Architects is pursuing every notable green building certification around, including the Living Building Challenge, LEED Platinum, Green Point Rated, and Passive House.
Update 8/19/2011: PHIUS just published its response [PDF].
Today, tweets exploded on our Passive House list maintained through Twitter. It started with word this morning that the Passivhaus Institut, founded by Dr. Wolfgang Feist in 1996, had revoked certifier status held by Passive House US (PHIUS), the only Passive House certifier in the United States. This news was verified by Dr. Feist himself on Twitter, with a link to an open letter issued by the Passivhaus Institut explaining what was going on.
Yesterday Tendril and Vivint, formerly APX Alarm, announced a partnership to connect Vivint Go!Control home devices with Tendril’s home energy management technology. The partnership is designed to give customers with a home security system the added ability to learn more about their energy use and control energy consumption.
Michigan-based Great Lakes Electric has a solar hot water product with evacuated tubes that allows for creative building-integrated solar hot water. By releasing the restriction of roof mounting, as with typical solar hot water products, GLE’s unit allows for more innovative placement and ends the worries of roof penetrations and units looking like large black rooftop tarps.
A smart homeowner can save up to 20% on heating and cooling costs with proper sealing and insulating, according to EnergyStar.gov. Assuming the air-sealed home has sufficient and adequate ventilation, air sealing is supposed to reduce energy costs and improve indoor comfort. One area that typically needs attention is recessed lighting. In the video above, Yves Vetter of Vesta Home Performance, explains how to seal a can light from below.
As it turns out, with near real-time feedback, most electricity consumers will take action to reduce energy usage, according to information released by CenterPoint Energy. CenterPoint conducted a pilot program with 300 Texas customers using a simple in-home display (IHD) wirelessly connected to a smart meter. Consumers used the IHD to obtain electricity usage data and a forecast of monthly usage and costs, spurring them to turn off lights, adjust the indoor temperature, and switch to energy-saving light bulbs.