Update
OK, so here is the results. To qualify these, here are some details. Before the chiller, my tank would hit 89 F at the end of the day running 2 x 400w MH, 10 inches off the water. This was using a high output fan across the top of the tank. Canopy open 24/7. Total water volume, ~150g.
I added the chiller on Sunday. I lowered the MH lamps to 5 inches from the water, added a third 400w lamp (same height), removed the fan and closed up the canopy. My tank starts the day at 79.8F. So far, the water temp has not gone over 81.7 at the end of the day. This makes me happy.
The chiller does add heat to the room, but I've located it under a large open window. The noise is about the same as the fan I removed, so a net change of 0 for noise.
Overall, I am happy with this product and would recommend it for tanks up to 180g as suggested by the manufacturer.
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Brad
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