Understanding the Basics of a Ground-Coupled (Closed Loop) Heat Pump Design: Part 2

Posted by Tate Colbert on Nov 15, 2019 10:00:00 AM

Thanks for following the second part of the ground coupled heat pump design. If you haven’t already, now’s a good time to go back and read Part 1. In the first part of this post, we discussed the importance of understanding thermal imbalance in a ground source heat pump system and the longevity impacts associated with an imbalanced system. Despite the issues associated with a thermally imbalanced system, there are ways to address building loads with additional technology that will further enhance the performance of the ground-coupled heat pump system, as well as provide long term performance.

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Topics: Energy Efficiency, solar energy, Heat Pumps

Understanding the Basics of a Ground-Coupled (Closed Loop) Heat Pump Design: Part 1

Posted by Tate Colbert on Oct 9, 2019 10:00:00 AM

The ground source heat pump is a wonderful technology that will be vital in achieving energy efficiency goals this century. This technology isn’t new, but it is beginning to become more accepted as a viable solution for large scale, high efficiency HVAC performance. There are two main types of ground source heat pump systems: those that are “Ground Water” (also called Open Loop) and those that are “Ground-Coupled” (also called Closed Loop), see Figure 1 below. In either case, the water from the ground is pumped to a heat pump, where heat is either extracted out of or rejected into the ground and moved into or out of the conditioned space.

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Topics: commissioning, HVAC, Heat Pumps

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