Photovoltaic panels and solar hot water panels both provide useful benefits for the buildings they are attached to, but sometimes there is limited space on the roof, and usually only one or the other is installed. Solimpeks, a solar panel manufacturer based in Turkey, has been producing solar panels for a long time, and has an elegant solution to the problem: a panel that produces both electricity and hot water. It turns out that the Solimpeks Volther dual-use panels increase efficiency more than you might expect.
The Wall Street Journal discusses some of the latest green building practices that help homeowners save energy. The four the author focuses on are blown fiberglass insulation (expensive yet cheaper than spray foam), heat pump water heaters (pricey systems that use heat from the air), electronic monitors (gadgets to cut unneeded energy usage), and concrete countertops (an affordable local surface option). Read the article:
Appraising a home is difficult work that’s made more difficult with the growing popularity of high-performance homes. Appraisers have access to training to learn how to better value energy-efficient homes, but a lot of what’s in the home is behind the drywall. Or may not be apparent with a site visit. Which is why I like this addendum created by the Sustainable Finance department of the Earth Advantage Institute.
- The hidden housing trend.
- Oklahoma City gets a green MLS.
- Cradle to Cradle paradigm gets competitive.
- Green building advancements seen nationwide.
- Custom home builder sees value in green.
- The market is ripe for green home loans.
- Power demand from US homes is falling.
- Audits improve home efficiency.
Project Frog, a start-up that designs and builds prefabricated sustainable buildings, recently announced a $22 million investment round led by GE, signaling the multinational company is bullish on not just environmental responsibility but innovative construction methods, too. As part of the relationship, GE will complete a Project Frog building at GE’s Crotonville Learning Center in Ossining, New York by the end of 2011.