Blog Title: What is a closed-loop system?

Main Que: What is a closed-loop system?

Answer: In a closed loop system, a loop made of plastic pipe is dug into the ground. It is connected to the indoor heat pump to form a sealed, underground loop. Water or an anti-freeze solution is circulated through this loop. This carrier fluid absorbs the heat from underground and brings it to the heat pump. This heat is used to heat homes.