I built one of those upside-down boxes on stilts brooders. It's a 30"x48"x12" box lifted off the ground 4". I cut two holes in the top for lights and used a 100 watt bulb in one and a 200 watt flood light in the other. The room this was in was in the 50s, and the temperature on the floor under the brooder was only about 10 degrees higher. There was a two foot wall around the brooder at most two feet away from the brooder, so there wasn't easy access for a draft. The lights fit over the holes in the top such that there weren't any gaps (though it wasn't airtight).
The search engine isn't working too well (hasn't been for weeks, it seems) and I can't locate the threads with pictures of these type brooders. Is mine too big, or perhaps the height off the floor too high? There is a world of difference if I drop the lights another 4" into the brooder. But, it seems to me that there must be something else going on that's preventing the brooder from getting warm.
ETA: I posted this in the meat bird section because the pictures of these brooders that I've seen have been in this forum.
The search engine isn't working too well (hasn't been for weeks, it seems) and I can't locate the threads with pictures of these type brooders. Is mine too big, or perhaps the height off the floor too high? There is a world of difference if I drop the lights another 4" into the brooder. But, it seems to me that there must be something else going on that's preventing the brooder from getting warm.
ETA: I posted this in the meat bird section because the pictures of these brooders that I've seen have been in this forum.
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