An Introduction J2 Definition A solar greenhouse managed as an indoor ecosystem Key features Goal Selfmaintaining balance of energy productionconsumption and waste management Passive solar heating ID: 414982
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BioShelter
An Introduction
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Definition
A solar greenhouse managed as an indoor ecosystemKey featuresGoal: Self-maintaining balance of energy production/consumption and waste management
Passive solar heating
Thermal storage
Ventilation systemSubterranean heating and cooling system; “climate battery” (optional)Used for growing crops or creating a supplemental living space
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Can come in all sizes
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Kimball Union Academy
$1.1M proposal to produce food and create a laboratory for the science curriculum at the school
Hydroponics in a 3,500
sq
ft geothermally heated greenhouseTower gardens to produce:Fruits & Vegetables (over 70 varieties)Asian Herbs & Vegetables (over 30 varieties)Fresh Herbs (over 60 varieties)Fresh Flowers (over 30 varieties)
Ornamental Flowers (over 60 varieties
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Growing Dome
Growing Spaces in Pagosa
Springs, CO
Kits for the home
hobbist and professional growersLarger scale systems (up to 42’ diameter) for schools and commercial growing operationsDesigned as much to “…create a beautiful indoor space for nurturing relaxation” as to provide for growing food cropsWe’ll look at an 18’ diameter kit that currently retails for $8,950 plus shipping, taxes, site prep, and locally sourced items
Some assembly required
Videos
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Successful growing environment
Kale Cucumbers Flowers
Lettuce Cantaloupe House Plants
Spinach Strawberries Cacti Carrots Grapes Lemon Tree
Radishes Tomatoes Fig Tree
Swiss Chard Tree Collards Lemon Balm
Herbs: rosemary, parsley, bay, thyme, basil, tarragon, oregano
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Bioshelter
Constructed in the summer of 2013Three temperature sensitive vents
650 gallon water tank for thermal storage
Raised beds around the interior perimeter of the greenhouse
Subterranean heating and cooling system5W Solar powered fan for air circulation20W Solar powered water fountain to aerate the water tankGoldfishVermiculture composting
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Questions
Thermal StorageAir exchangePassive solar gain
Auxiliary heating
Effects of
windPotential food production
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Food production
Some current prices from Hannafords
and Uncle Dean’s
All organic items
Fresh herbs $1.79 for approximately 20gCucumbers $3.49 eachTomatoes $2.49/lb (Backyard Farms)Spinach $4.75 for 0.55 lbChard $2.59/
lb
Kale $2.89/
lb
Mixed salad greens $4.94 for 0.55
lb
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Temperature ranges for food crops
Cool season vegetablesd
(lettuce, chard, kale, carrots)
Daytime: 50°F to 70°F
Daytime short-term temperature extremes: 35°F to 90°FNighttime: 45°F to 55° FGermination: 40° to 75°FWarm season vegetables (beans, tomatoes, melons)Daytime – 60°F to 85°F
Daytime
short-term temperature extremes – 50°F to 95°F
Nighttime
– 55°F to
65°F
Germination
– 60°F to 85°F
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