natural cooling

My Earth Tube Story

Posted on March 03,2015 by MalcomIsaacs in earth tube

I saw my first “earth tube” back in 2004, on a tour of row houses in Darmstadt, Germany — a tour which had been organized by the Passivhaus Institut (PHI) to show international visitors some examples of Passivhaus construction. As a visiting Canadian engineer specializing in residential energy efficiency, this was a novel and, for me, unheard-of way to temper incoming ventilation air from extremes of heat and cold.

Ceiling Fans Are Evil

Posted on March 03,2015 by CarlSeville in Ceiling fan

I can’t count the number of times I have walked past a neighbor’s home and seen the porch ceiling fans running with no one there to appreciate them. All the fans are doing is wasting electricity and contributing a little heat to the outdoor air. I am tempted (although I have never acted on the impulse) to pull the chains and turn the fans off or leave the neighbors a note.

Keeping Cool

Posted on March 03,2015 by AlexWilson in Ceiling fan

Welcome to summer. Burlington, Vermont hit a record 97°F the other day, and my place in West Dummerston reached 93°, with high humidity. What’s the best way to stay comfortable in weather like this — assuming that you’re not using mechanical air conditioning? First, it’s important to understand that the goal isn’t really about temperature; it’s about comfort. Some very simple strategies can help you remain comfortable even with high air temperatures.

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