We reported earlier this year that the US is planning on giving out stimulus funds for a "Cash for...Refrigerators" program and now California is ready to launch their own. The Sacramento Bee reports that
The Air Multiplier fan from Dyson has no visible blades--just a ring, one-foot across, mounted on a circular base--but out of it flows a strong, turbulence-free cylinder of cooling air. Vacuum magnate Sir James Dyson has done it again, or
John and I have covered Ice Bear units before. It is one of those simple, elegant ideas: Instead of using peak daytime (and often more expensive) electricity to cool your home or office during the day, use your air conditioner to make ice at night (it
Dear Pablo: Is it more cost effective to install an attic fan or add additional insulation?When the sun shines on your roof, the dark shingles (assuming that you have a shingled roof) collect the sun's energy and pass it into your
Image Source: HUDDear Pablo: You have written about home energy efficiency in the past, but aside from individual technologies like CFLs, what can I do to get the "whole picture" and how do I prioritize my investments? You are correct, there are many
A lot of people run expensive air conditioning when it is actually pretty cool out- after the sun has been baking a California house all day it can be cool in the evening but the house is still holding a couple of hundred thousand BTUs of heat. In more
During GD1 eleven pools were built in New York City alone by the Works Progress Administration. But America will stay dry thanks to the final wording of the Coburn Amendment. The original wording, which prohibited
This shot of the burned-out Koolhaas-designed hotel in Beijing caught an interesting subject in the foreground: a hundred cooling towers on the roof of a neighbouring building. What do they do? They take the heat generated within
"Kokage" means shade of a tree. Hirokazu Suemitsu and Yoko Suemitsu of SUEP have designed a house built from structural partitions that spread out like a tree to carry a canopy that acts as the roof. Each "tree" also is part of the mechanical system of
In any big space that is heated or air conditioned, the hot air will rise and it will tend to stratify, with hot air stuck at the ceiling, wasting a lot of energy. There are lots of high-tech things you can do, but the dumb simple thing is to simply put
A couple weeks ago we heard that New Chitose Airport, on the Japanese island of Hokkaido plans on using snow, kept cool throughout the summer under insulating materials, to chill the airport’s cooling system in the summer. Such a
We have written often how electricity-sucking air conditioners caused the massive post-war transfer of people and votes to the sunbelt; Edward McClelland of Salon thinks that air conditioners make people
Is any Technology more Overdue than Solar-Powered Air Conditioning?
We've been writing for many years about how solar-powered air conditioning is a big "duh!", and should be used more widely. After all, it's when you have lots of sun that you need A/C
Everyone's favorite faux conservative, climate change nay-saying pundit, Stephen Colbert, interviewed Slate's Brendan I. Koerner, author of the long-running "Ask the Green Lantern" column this past Thursday. Stephen quizzed Koerner on a range of topics
Recently the state of Hawaii passed a law requiring new buildings to install solar water heater. Now investors have secured the final funding for another green initiative in the island state: Seawater air conditioning.