Arnold Trachtenberg via pbs
Sun, 10 Jan 2021 08:58:42 PST
My guess to why an air conditioner is not feasible is the cost.

In some places the cost of utilities is much greater than what we pay here in the Northeast.
ArnoldNE NJ
-----Original Message-----
From: The Silent Seed via pbs <>
To: Pacific Bulb Society <>
Cc: The Silent Seed <>
Sent: Sun, Jan 10, 2021 10:18 am
Subject: Re: [pbs] Greenhouses

This may be obvious to all of you hot-weather folks, but here in the
NorthEast, I have to ask; why not simply use some kind of air conditioning
unit like they use in a hotel room? Set it at 80 (or whatever) and forget
about it?
I turned a historic barn/garage into my plant house with 2 inch thick rigid
pink foam boards on the walls, and doubled up (with air space between the
layers) in the ceiling. I have not even needed to turn my heater on yet
this winter because the lights generate enough ambient heat to keep it
where it's comfortable.
I agree this is a fantastic thread.
Jude (Zone 6a; northeastern coastal Massachusetts)

On Sun, Jan 10, 2021 at 9:54 AM Chad Cox via pbs <> wrote:

> Bob,
> I do currently have misters set up, and they work all right keeping the
> temperature down. But I mostly collect Hippeastrum species and other bulbs
> that like to be mostly dry, and I have found that the extra water on them
> is not appreciated. Also I have hard water and so when the misters are on
> it leaves a white calcium residue on the leaves of the plants below the
> misters. Also undesirable. I am considering a “cooling wall” in my new
> greenhouse instead of misters.
> Chad in Elverta CA
> Sent from my iPhone
> Chad L. Cox, Ph.D.
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