Ok, so this probably isn’t necessary here in weather-neutral San Francisco, but those of you living in areas prone to intense hot and cold spells might want to take a look at the Room to Room Fan, a compact $30 door fan that circulates air into adjoining rooms.
The fan is an ultra-cheap way to move air from your heater or air-conditioner around the house— and that means there’s less of a need to crank up the temperature controls. The door frame fan, which is available on the Improvements Catalog website, moves 120 cu. ft. of air per minute and circulates air in an average room (10’x12′) three times per hour.
Photo Credit: Improvements Catalog
I don't like paywalls. You don't like paywalls. Who likes paywalls? Here at CleanTechnica, we implemented a limited paywall for a while, but it always felt wrong — and it was always tough to decide what we should put behind there. In theory, your most exclusive and best content goes behind a paywall. But then fewer people read it! We just don't like paywalls, and so we've decided to ditch ours. Unfortunately, the media business is still a tough, cut-throat business with tiny margins. It's a never-ending Olympic challenge to stay above water or even perhaps — gasp — grow. So ...
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