Geothermal Heat Pump

Q & A About Geothermal Heat Pumps:

How do heat pumps and geothermal heat pumps differ? Geothermal heat pumps use the earth, or water in the earth, for their heat source or heat sink.

What are the two types of geothermal heat pump classifications? 1. Open-loop (or water source) systems  2. Closed loop (or earth-coupled) systems

Are defrost systems needed for geothermal heat pumps? No, defrost systems are not needed.

What is the average Delta T for the water entering and leaving an open-loop system? The typical ranges are 7°F to 10°F.

Name the four loops in a closed-loop system? 1. Water Loop or Ground Loop  2.Refrigerant Loop    3. Air Loop   4. Domestic Hot Water Loop

What does the hot water loop do? It passes through the hot discharge line of the compressor and heats up the hot water tank.

Contact Coldflow at 305-545-6666.

"Geothermal heat or ground source heat pump (GSHP) is a central heating and/or cooling system that transfers heat to or from the ground."

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