June 7, 2024

VIDEO: Analyzing Inputs for greenhouse heating & cooling


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Curtis Stone started Green City Acres, a commercial urban farm called Green City Acres out of Kelowna, BC, Canada, in 2010. His mission is to show others how they can grow a lot of food on small plots of land and make a living from it. Using DIY and simple infrastructure, one can earn a significant living from their own back yard or someone else’s.

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24 thoughts on “VIDEO: Analyzing Inputs for greenhouse heating & cooling

  1. Hey Curtis love your channel have you checked the " greenhouse in the snow " technique. Which is basically a geothermal walapini that uses $1 per day to heat and cool ?

    It produces $400usd per year for every 10sqft on the $1 a day budget.

    With all that said he has many MANY things that could be done to drive those #s up all organic IE the kratky method of hydroponics

  2. How can you design a growing structure that doesn't need heating and cooling? The all-glass greenhouse was invented in the Netherlands and works there. It's one of the worst possible things in many other places. Start with the DLI of the crops you want to grow inside. Most crops have grown just fine outside for thousands or millions of years. For passive solar heating you only need 12 sq ft of window for every 100 sq ft of floor. When you go beyond that you turn a room into an oven.

  3. As far as the compost heater is concerned, I would be a little worried about a hose busting or a connection seeping out the glycol. A hose busting would probably easier to identify and would take a lot of work to fix, but a seep could go unnoticed for a while and poison the crop and soil.

  4. I like the grid down heat for winter , coils just under the plants , Glycol water solution, composting using solar convection , insulated winter time , straw bails , You can run those coils down 6 feet one long way and back to cool during winter , Geothermal , until the sun pulls back then everything is frozen

  5. We (Garro Farms) heat with a used oil burner (175,000 BTU) in a 36×60 double layer plastic aquaponic greenhouse. Works great! (Almost) free heat. I mean, big initial investment with all the tanks and unit, but we couldn't do it any other cost-effective way in western South Dakota.

  6. I am always critical of sweeping claims suggesting efficiencies are possible if you spend hundred's of thousands of dollars on a greenhouse. Swamp coolers are excellent where the ambient humidity is low, but where the humidity is high… swamp coolers are virtually useless. In addition, plants suffer from diseases when the humidity are at or near the saturation point. De-humidification would be essential when using swamp coolers in humid climates. This requires more infrastructure and much more energy. A lot can be done with a few fans, water pumps, passive geothermal and properly designed air flow. IMHO None of which should cost hundred's of thousands of dollars.
    Indoor farming fails to make use of the giant light in the sky which is a huge mistake. Others dump their life savings into "infrastructure" and buy expensive turn-key aquaponics systems/green houses only to discover selling 100,000 heads of lettuce isn't practical for small farmers. These ventures usually end up shuttered because they can't manage their debt while struggling to find buyers for their produce. Just because a vendor/supplier of greenhouses/aquaponics systems says their system can produce this amount of product… doesn't mean you will realize that amount in sales. If the market is not local… no fancy "greenhouse" will fix that problem.

    I believe the best produce to supply today is NON-GMO, NON-GE and NON-CRISPR genetically mutated crops grown without man-made synthetic inputs. Nature knows how to grow crops, it needs no help. It's been doing this since time began. Man has no right to genetically pollute God given seed! Just because they can doesn't mean they should! They are f-ing greedy! Genetically mutated crops means you are eating genetically alien food and remember, "You are what you eat". Reject GMO foods of all kinds our future relies on it! Rj- Beyond Harvest Veganistas found on Minds . com

  7. Is what people think is their land on British Columbia assessable under the Assessment Act.
    "" "land" includes

    (a) land covered by water,

    (b) quarries, and

    (c) sand and gravel,

    but does not include coal or other minerals; "

    " ""land" includes any interest in land, including any right, title or estate in it of any tenure, with all buildings and houses, unless there are words to exclude buildings and houses, or to restrict the meaning; "

    First definition is from the Assessment Act and the second from the Interpretation Act.

  8. Please, could you turn on the YouTube automatic subtitles in English? It helps a lot for a not native English speakers. Thank you and best regards from Rio de Janeiro, Brazil!

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