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The Thermo Cube: Keeping the Well Pump-House from Freezing

By: Everett S

FrozenFrozen pipes got you down? …down under the house in a cold, damp, spider-filled crawlspace, that is. After wrapping all of your pipes in insulation and sealing up any gaps that let cold air into the crawl-space, your next level of defense against frozen pipes is likely going to be HEAT.

You could put on heat tape, but it has to go under the insulation wrapping so if anything goes wrong with it you’ll have to unwrap the pipes. They also say it shouldn’t go on plastic pipes, which is what we have.

thermo cubeYou could put a heater down there, but you don’t want to have to keep turning it on and off every day. They sell expensive thermostats where you can control what temperature the heater turns on and off, but we’ve found a simple, cheap little gadget that seems to do the trick just fine for us. It’s called the Thermo Cube.

I spent a few days insulating all of our pipes, but we still have to use a space heater attached to a Thermo Cube in the pump house, and another space heater attached to a Thermo Cube under the house in the crawl space.

I’ve been paying attention to how often it turns the heater on in the pump house, and on days when it gets down to about 15 degrees or so, it seems to come on for about 15 minutes every hour. When it’s warmer, but still below freezing, it only turns on a few times a day for a few minutes at a time. That sure beats turning one of those space heaters on low and letting it run all day!

  • Plugs into a standard outlet and turns power on or off automatically according to the temperature.
  • Two receptacles for use with more than one electrical device.
  • Turns on at 35°F, off at 45°F.
  • Cost: About $11 and eligible for free shipping on Amazon.

Creative Commons License Photo credit: quinn.anya

Thermocube Controlled Heater

Thermocube Controlled Heater.

Category: Reviews, The Transplants

Comments (4)

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  1. Very cool device (sorry for the play on words). What is the maximum current rating?

  2. Anna says:

    I’d better not let Mark see this post — he’d want one whether we need it or not. It just looks so useful… :-)

  3. Mr. Simpleton says:

    Uncle Tractor,

    You know I never checked on the max current rating, but I’m assuming it’s enough to run a small box-style space heater. I’d definitely want to check before trying to run something bigger, like a generator or a large heater.

  4. Tommy says:

    Nice! I didn’t know these things existed! I’m like Mark, I don’t have a need for one, but it would be nice to have just in case!

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