Earth tube / Discussions

How do you install earth tubes for passive heating and cooling?

...earth tubes’, I would not be adding that to the design. So we are on the same page – ‘Earth tubes’ often refers to the *ventilation* system of an Earthship. Is that what you are referring to? If so, all we would say to that is, just don’t. See this page on why Earthships don’t work in cold climates and scroll down to t...

Posted by Nancy Arevalo Aug. 19, 2021 Passive solar home design 7 responses

How do you install a ground loop for an HRV?

...tubes are below grade, on a hot day they will be much cooler than the air they are drawing in. So there is a risk of condensation forming as warm, humid air come in contact with those tubes. That, combined with any organic matter that may find its way in (which can be as little as a buildup of pollen in the spring) cre...

Posted by Lee Watt July 10, 2018 HRV and ERV 2 responses