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market-farming - Re: [Market-farming] Bench heating in greenhouse

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  • From: Rachel Airmet <rachel AT sunshinefarmmarket.com>
  • To: "market-farming AT lists.ibiblio.org" <market-farming AT lists.ibiblio.org>, Leigh Hauter <bullrunfarm AT hughes.net>
  • Subject: Re: [Market-farming] Bench heating in greenhouse
  • Date: Fri, 08 Feb 2008 12:07:01 -0800


Sounds simple enough!

How close together are your lines of pex tubing? I'm wondering how tight of
a turn you can make with the tubing. Do you find that you get cold strips
in between the lines of tubing?

How long is your run of tubing? Do you have an idea what the maximum length
of a run could be?

Thanks,

Rachel


On 2/8/08 10:36 AM, "Leigh Hauter" <bullrunfarm AT hughes.net> wrote:

> We have a wood gasification boiler that we use to heat water, we run
> the hot water through half inch pex tubing that is layed out on the
> greenhouse tables and we put the flats right on top of that. It
> keeps the flats nice and warm and it keeps the greenhouse above
> freezing and since we have a wood lot, it does not cost money to heat
> the seedlings and the greenhouse.
>
> The gravel sounds like a nice touch to it but heavy and while it
> would add to the system I wonder if it would be necessary. What we
> do (three years now) works.
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