You guys that have geo with a closed loop system for your heat source, I have a question.
Is your loop pressurized or just a stand pipe with circulation pumps?
I have a installer trying to tell me the pressurized is more efficient. Another says it doesn't matter.
I have done some searching on the web to but have found little infro.
Is your loop pressurized or just a stand pipe with circulation pumps?
I have a installer trying to tell me the pressurized is more efficient. Another says it doesn't matter.
I have done some searching on the web to but have found little infro.