Which type of geothermal heat pump system is more energy efficient? (assuming typical conditions) | | Closed loop system | 43% | | Open loop system | 18% | | There is no significant difference. | 31% | | Not sure | 6% | | | | | Question: Which type of geothermal heat pump system is more energy efficient? (assuming typical conditions) Top Answer (43% of 16 votes): Closed loop system.
Answer: There is no significant difference.
Explanation: The open loop is a fraction more in efficiency vs a closed loop. This is because the ground water used stays the same temperature year round. A closed loop extracts heat from the ground, but recoups relatively quick. | | Geothermal Sales & Service, Inc. | Answer: Closed loop system
Explanation: A closed loop system in my opinion is more energy effecient. | | Dr Heat & Cool Comfort Experts | Answer: There is no significant difference.
Explanation: If all is the same a closed loop with glycol may be slightly better. | | Kohler Heating and Air Conditioning | | | ProMatcher | Answer: Open loop system
Explanation: more stable temps | | Climate Creations LLC |
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