The comprehensive 5 Year Study at the GreenQuest Research facility in Oak Ridge, TN from 2010-2015.
The history behind the study that developed many of the new, 'key' technologies which have enhanced the performance and efficiency of the Eco Greenhouses, Eco Grow Rooms, Geo-liquid, Geo-air calculations, and Thermal Battery efficiency and construction.
See also: All other GreenQuest publications. These were all adapted and updated from the 5-year study research.
* Included FREE with Eco Research Library membership.
Instant digital download.