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Offlinengnyus
the madherbalist
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How to heat a greenhouse
    #5960874 - 08/13/06 10:23 PM (17 years, 5 months ago)

I'm planning on building a greenhouse with pvc pipe and uv rated poly tarp, but was wondering if anyone had any good ideas on the cheapest way to heat iot through the winter, it only gets down to about 20 in the winter here, but some days it doesn't even get above 45 at high noon.


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Invisiblekarode13Facebook
Tāne Mahuta
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Re: How to heat a greenhouse [Re: ngnyus]
    #5960955 - 08/13/06 10:50 PM (17 years, 5 months ago)

Depends on the size of the greenhouse.
Try and keep the heat in by leaving doors/vents closed longer until the midday sun comes around.
Using heatpads under plants can work in smaller houses and seems to be relatively cheap.
Using a turbine heater with a thermostat for the medium greenhouse,I know alot of nurseries here use them in winter.
Thats my 2 cents anyways..


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InvisibleDety
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Re: How to heat a greenhouse [Re: ngnyus]
    #5960956 - 08/13/06 10:50 PM (17 years, 5 months ago)

What he said. :sun:


Edited by Dety (08/13/06 11:01 PM)


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InvisibleCorporal Kielbasa

Registered: 05/29/04
Posts: 17,235
Re: How to heat a greenhouse [Re: ngnyus]
    #5961233 - 08/13/06 11:58 PM (17 years, 5 months ago)

radiant flooring, digging the floor down to below frost level, oil heater..... or electric if you got the cash. but a hot water heater pumping warm water though a grid on the floor would do the trick.


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Invisiblekarode13Facebook
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Re: How to heat a greenhouse [Re: Corporal Kielbasa]
    #5961820 - 08/14/06 04:28 AM (17 years, 5 months ago)

^^^good points.I also forgot to mention double glazing your greenhouse,this will definitely help raise the temperature.
But try to construct it so that you can remove the outer layer in the summer.


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InvisibleCorporal Kielbasa

Registered: 05/29/04
Posts: 17,235
Re: How to heat a greenhouse [Re: karode13]
    #5962095 - 08/14/06 09:17 AM (17 years, 5 months ago)

double glaze, with a blower pushing air between the two layers of plastic is the way to be.

Have a pipe on each side of the green house. Or two 2x4s and clamp, the plastic inbetween. Then you can roll it up a few feet when its warm out so air can flow though.


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Invisiblellamabox
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Re: How to heat a greenhouse [Re: Corporal Kielbasa]
    #5962119 - 08/14/06 09:30 AM (17 years, 5 months ago)

Here is a page I thought had a good deal of info.

Building a Greenhouse


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InvisibleCorporal Kielbasa

Registered: 05/29/04
Posts: 17,235
Re: How to heat a greenhouse [Re: llamabox]
    #5962171 - 08/14/06 09:52 AM (17 years, 5 months ago)

wow good link!


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Offlinengnyus
the madherbalist
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Re: How to heat a greenhouse [Re: Corporal Kielbasa]
    #6002289 - 08/27/06 04:56 PM (17 years, 5 months ago)

Awesome, you guys rock, sorry, off been off the net for a while, goats gettin' loose, preparing for winter, etc., etc., Ya believe it or not I do have a life. lol


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Invisibledurban_poison
myco contractor
Registered: 09/19/01
Posts: 2,417
Re: How to heat a greenhouse [Re: ngnyus]
    #6002365 - 08/27/06 05:20 PM (17 years, 5 months ago)

a CO2 generator produces enough heat buy burning propane. this will obviously also benefit many plants.


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Offlinecvele
kurton
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Registered: 09/21/04
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Re: How to heat a greenhouse [Re: Corporal Kielbasa]
    #6004396 - 08/28/06 11:44 AM (17 years, 5 months ago)

Quote:

Corporal Kielbasa said:
double glaze, with a blower pushing air between the two layers of plastic is the way to be.




I absolutely disagree as moving air will transfer heat more than still air!


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InvisibleDexter_Morgan
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Re: How to heat a greenhouse [Re: cvele]
    #6004694 - 08/28/06 01:44 PM (17 years, 5 months ago)

Quote:

cvele said:
Quote:

Corporal Kielbasa said:
double glaze, with a blower pushing air between the two layers of plastic is the way to be.




I absolutely disagree as moving air will transfer heat more than still air!



:thumbup: :thumbup:
Ive never even heard of moving air (normaly Argon) in between two panes of glass.


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http://www.shroomery.org/forums/showflat.php/Number/5933438#Post5933438
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