I would worry about condensation. I live in New England. New England is
the only part of the country except for the coastline in WA, where there
is a positive water budget typically. In other words, more rain falls
than is evaporated or used up. My ham shack is 1/2 mile from my house
and was unheated. It was hard on the equipment. Very hot wx was not a
problem but cold temps and then the arrival of warmer and moist air
would produce water droplets all over the gear. Transformers would stay
very cold and the water would drip off of them when the temps warmed a
little bit. Anything that used high voltage was subject to explosions
if you were foolhardy to turn them on. It was all due to the water.
What I did was install a propane heater with a special thermostat that
allowed operation down to 32 degrees. I set the temp to around 40 F.
That keeps most of the condensation at bay. I also put in a solar heater
on a south facing outside wall, and it pumps warmer air inside if the
Sun is out. On a sunny winter day in January it will be 50 degrees in
the room during the day. I have had no trouble with this setup. I am
just about through with my 1st 100 lb propane tank and January is just
about finished, so the cost is not too bad. You must use a vented
propane heater. The unvented ones, or portable K1 space heaters like
Kerosuns etc all produce water vapor and are no good for what we want.
Maybe in a desert climate things will be different, but that is what
works for me.
I have an unheated room as well, but only keep rugged stuff there in
winter. Homebrew KW amps etc seem to do OK. I would never leave a KX
anything there however. Been there. Done that!
K1WHS
On 1/27/2021 10:18 AM, Joseph Shuman via Elecraft wrote:
There is a difference between stupidity and ignorance. I claim ignorance.
My shack is a room in a barn attic space, separate from the house, no HVAC so
cooling is one window and heating is a space heater (when I am working the
waves). Otherwise storage is ambient temp in the room. Winter temps typically
down to low 20s, summer up to 90s. Sunny summer temp in the shack gets up to
120. My concerns are leaving the KX2 (#3007) and KXPA100 (#2802) in the shack
and the effects of daily cycling the temp, especially in winter. My “internet
research” (maybe an oxymoron?) has such varied opinions it is worthless. What
say you, my fellow Elecraft faithful?
Keeping Watch-
shu
Joe Shuman, NZ8P
Unless someone like you
cares a whole awful lot,
nothing is going to get better.
It’s not. -Dr. Seuss
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