I am on my first solar heater and it is very similar to yours. I was skeptical about it until it put out 178 degrees with it being 46 degrees outside. I'm in the process of fixing a few material errors, but I expect to be using it to supplement the heat in my house very soon.
I am on my first solar heater and it is very similar to yours. I was skeptical about it until it put out 178 degrees with it being 46 degrees outside. I'm in the process of fixing a few material errors, but I expect to be using it to supplement the heat in my house very soon.