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market-farming - Re: [Market-farming] Re: Bench heating was heating the greenhouse

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  • From: robert schuler <sunnfarm AT bellatlantic.net>
  • To: Tom Circle <tcircle AT ckt.net>, Market Farming <market-farming AT lists.ibiblio.org>
  • Cc:
  • Subject: Re: [Market-farming] Re: Bench heating was heating the greenhouse
  • Date: Sun, 16 Jan 2005 11:39:53 -0500

Tom when the engineer designed my system he recommended a heater like the one you have. True it would have worked well as a bottom heat source but it would not have been enough to heat the 1000 sq ft house I use it in. I use a 65000 btu hot water heater and it works fine in my climate. Using two tanks would not help in your case because the system with 1/4" tubing takes very little water from the tank. 40 gallons is more than enough. Anti freeze in a closed system can be used though I have not tried it, it would allow the system to be shut down in winter, and keep the pump lubricated. Google, Delta T  Biotherm ; and you should come up with a link to pictures of a similar set up...Bob.
Sunny Meadow Farm
Bridgeton, NJ.

Tom Circle wrote:

Hello Bob, Have been reading all the posts about your under bed heating system and am very interested in doing something like it.  Was there any web site  where you researched info or any pictures to get your idea from?  I looked at my LP hot water tank and it was 40 gal at 30000 btu.  Would that be big enough or would 2 tanks be better?  I suppose that you run some kind of antifreeze solution in the pipes?  Any more info would be helpful.  Thanks .  Tom Circle.

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