I live in CA and my room temp is 70-75. My balls are in tubs and the temperature inside is 80 cool side, 89 hot side. Before my rack, I kept them in stand alone tubs on a storage shelf. The rack definitely insulates the heat really well. Much better than out in the open.
You can build a wooden box to put your tub in. It will help heating the tub.
You can also get a space heater to heat that individual room.
And the humidity is based on how many holes you put in the tub. Less holes = more humidity.









I would feel like a POS if something were to happen to my ball. How else would you heat a tub along with a UTH. I live in california we don't have central air in the house just room air conditioners. I would imagine that the room I would be keeping it in would probably be about 70 all day and night. I have a hallway that would be a little warmer by about 5 degrees.
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