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making 170*f solar hot water
Hi all,I have a potential customer who is a diary farmer. To clean his equipment he needs a 100 gallons daily of 170*f hot water. His propane bills are killing him. He is sure he can get a grant for a solar hot water system.I have sized this already. I want to see what you folks come up with.I have sized it for Flat Plates and evacuated tubes, so I am open to both.Please specifiy how you would handle summer overheating....Any input welcome.Seriously this is a market (farmers) that has not been explored in my area. These guys want and need help to survive in this country (no politics please).Thanks for your inputMichael
I forgot to add they use 2.5 gallons propane a day.
the water is heated by a boiler to a side arm tank.
I came up with 8-10 collectors.
seriously I want some help on this.