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:) Waste water is perfect for underfloor heating.
24x600= 14,400 watts.It does the job for me. This one cools 24x600watt with open reflectors. Don't know how many tons that is....
Dutch garden supplys distibute it in US. Ask them for price. I don't know, i'm not a retailer or something.
Your water chiller faces the exact same drawback as an AC in this regard. The condenser is still air cooled!To answer your question about how altitude affects AC, consider that the working fluid for an AC unit is the air you're trying to cool. The denser that air- with humidity, air mass or both- the more efficiently it will operate. High altitude hurts AC efficiency because of low air density, therefore less thermal mass for the AC unit to cool at any given moment, and therefore a loss in effective efficiency. The fact that you're running your minisplit in a sealed room environment is to your benefit and actually increases thermal mass due to higher humidity, that is a good point.
3100 watts divided by 240 volts is 13 amps.
In Europe, I understand that tankless water heaters are the norm
Your water chiller faces the exact same drawback as an AC in this regard. The condenser is still air cooled!
The only part of the process that is more efficient on the water chiller is the evaporator coil removing heat from water rather than air which will obviously be more efficient. The catch is though you are running that cold water through an icebox or air handler which has to remove heat from the air the same way an AC evap coil would. So the heat is still being absorbed from the room through an air cooled coil, and is being exhausted via an air cooled condenser. I don't see how that could possibly be more efficient.If that were true, then water chillers wouldn't enjoy a 30% efficiency advantage over AC. Yet, they do.
The only part of the process that is more efficient on the water chiller is the evaporator coil removing heat from water rather than air which will obviously be more efficient. The catch is though you are running that cold water through an icebox or air handler which has to remove heat from the air the same way an AC evap coil would. So the heat is still being absorbed from the room through an air cooled coil, and is being exhausted via an air cooled condenser. I don't see how that could possibly be more efficient.
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