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Lesson 4 of 16

Ground Source Heat Pumps: Loop Types

Read through the material below, then test your understanding.

Module Lessons

Environmental Technology Systems

Lesson Overview

Ground source heat pumps extract solar energy stored in the earth using closed-loop ground collectors. Selecting the correct collector format depends on available land area, ground conditions, and drilling access.

Learning Objectives

Identify the three primary types of closed-loop ground collectors used with ground source heat pumps.

Compare trench depth, land area requirements, and heat extraction rules for horizontal, vertical, and slinky loops.

Explain the function of collector fluids, circulating pumps, and system buffer tanks.

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