Different types of Geothermal Heat Pump Systems

We use four diferent types of loop systems this days. We know three closed loop system: horizontal, vertical and lake/pond loops. Most closed-loop geothermal heat pumps circulate an antifreeze liquid through a closed loop - made of plastic materials- that is buried in the soil or submerged in water. A exchanger of heat transfers heat between the refrigerant in the heat pump and the antifreeze liquid in the closed loop.

Last loop is called open loop. Depending on the soil, climate, avaliable land, soil quality, and lastly installation costs we choose the most apropriate. All four loops can ben used for private or bussiness bulldings.

Today I will try to talk about first three closed loop system.

HORIZONTAL

This sort of solution is by large most cost-friendly for residents, especially for new development where adequate land area is accessible. . It requires trenches no less than four feet deep. The most well-known solutions either utilize two pipes, one at six feet, and the other at four feet, or two pipes put next to each other at five feet in the ground in a two-foot wide trench.

VERTICAL

Big business buildings frequently use vertical systems because the required area of land needed for horizontal loops would be prohibitive. Vertical loops are also utilized where the soil is excessively to shallow for trenching, and they minimize the influence to existing land. Vertical system needs four  holes that are four inches in diameter and are drilled 20 feet apart and 100 to 400 feet deep. Into these openings go two pipes that are associated at the base with a U-twist to shape a loop. The vertical loops are connected with horizontal  pipe, put in trenches, and joined with the Heat pump in the building.

POND/LAKE

If great luck strikes you and the site has a sufficient water, this may be the most inexpensive alternative. A supply line pipe is run underground from the building to the water and looped into circles no less than eight feet under the surface to prevent winter freezing. The loops ought to just be set in a water source that meets minimum volume, depth, and quality criteria.

Mike