90% Of Israeli Homes Have Solar Water Heaters


I recently noted that Hawaii has enacted a law that requires all new homes to install solar water heaters. Eventually, Hawaii may have as many water heaters as Israel, where 90% of homes have solar water heaters installed. When viewed from above, the Jerusalem often glitters with the shine of the thousands of solar heaters that adorn rooftops.

SolarDucts: Heating Air and Generating Power

Solar energy is often used to heat water or generate electricity, but it can also be used to heat air. The SolarDuct is a new device that uses sunlight to heat air before it enter a ventilator. They are modular units that can be installed on buildings with flat roofs.

Proximity: A Very Green Hotel In North Carolina

The Proximity Hotel is proof that a hotel can be very green without sacrificing the comfort of its guests. The hotel is located in Greensboro, North Carolina, and it achieved a Gold LEED certification this year from the U.S. Green Building Council. The Proximity uses 36.5% less energy and 30% less water than a conventional hotel. It gets 60% of …

Efficient: Foot Pedal Faucet Controllers

Pedal Works HandsFree Faucet Controller

Foot pedal faucet controllers allow you to control a faucet hands-free. These devices are efficient and hygienic — they are commonly found in commercial kitchens and hospitals. I’m not sure why we don’t see them in more homes. You can reduce water use by 50% using pedal controllers, and if it’s hot water, you’ll be saving power too. At a …