I'm pretty sure I'm close to the right answer, let me know what you think!
Article regarding heat storage for sand, clay, concrete, and water:
[ Ссылка ]
Tour of Patrick's greenhouse with sand battery: [ Ссылка ]]
Like, Comment, Subscribe and follow @ArkopiaYouTube We are experts in preparedness, homesteading, sustainability, high efficient construction, passive solar technology, deep winter greenhouses, freeze drying & other food preservation, economics, and small sustainable food production.
We are the inventors of the Best Selling Smoothie on amazon: Arkopia Freeze Dried Smoothies. We are also a small, multifaceted farm located in Saskatchewan, Canada where we are striving to provide our hyper-local community with food (and flowers), direct to customers off our farm.
#sandbattery #greenhouse #energyefficiency #thermal #homestead
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Smoothies at Full Wholesale: [ Ссылка ]
12 packs and singles on AMAZON Canada & USA
AMAZON USA: [ Ссылка ]
AMAZON CANADA: [ Ссылка ]
