[Market-farming] heat cables

Etienne Goyer etienne at lejardinduvillage.ca
Tue Feb 17 07:02:58 EST 2015

I am using this brand of heat cable:


It does get quite warm, although not to the point that you cannot hold
it in your hand when plugged in.

You probably thought about it already, but just in case, have you tried
to plug it somewhere else?  If you use an extension cord, for example,
perhaps you don't get enough amps to get the cable real warm.  Something
to try.

On 15-02-16 09:04 PM, Beth Spaugh wrote:
> There was discussion that some folks used roof gutter deicing cables for
> bottom heat.  How warm do these get?
>  I just set up an 8 x 16 foam "table" with 200 feet of the cable. Before
> putting plants on figured I'd better test. The cable barely gets warm,
> certainly not hot.  I was planning on using this in my unheated
> hoophouse to keep seedlings from freezing at night.  I can't see that it
> will put out near enough heat, fast enough.  I have it on a "cube"
> thermostat, to come on at 35 and off at 45.  I was planning on keeping
> the whole thing full of flats, and that the heat would come up through
> the plugs, making nice warm roots. Seriously doubting this will happen.
> Hopefully after this week we will be done with frequent below zero
> nights.  I know that with frequent daytime sunshine, under row cover it
> seldom gets below 15.  Because of condensed ice on the bottom of the row
> cover.  If it doesn't freeze I don't know that I'll get that extra
> protection.  But I do have three layers of ag-19 row cover plus a light
> plastic, and can lay foamboard over the top (sides just row cover and
> plastic).
> Those who have used these -  please chime in with your experience. Thank
> you.

Etienne Goyer  -  Le Jardin du Village

"Changer le monde, une betterave à la fois"

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