How deep or long will my trenches be?
Trenches are normally four to
six feet deep and up to 400 feet long, depending on the number of pipes in a
trench. One advantage of a horizontal loop system is being able to lay the
trenches according to the shape of the land. As a rule of thumb, 500-600 feet
of pipe is required per ton of system capacity. A well-insulated 2,000
square-foot home would need about a three-ton system with 1,500-1,800 feet of
pipe.
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