Published On Nov 3, 2018
I built this closed loop system to heat my 1200 sqft shop. I can easily maintain the temperature from 60 to 70 degrees Fahrenheit and monitor/ control it anywhere in the world. I used a natural gas fired water heater for the heat source. It's a great way to heat your shop as it's extremely efficient and quiet. Any questions you might have about my system feel free to ask in the comments below.
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