Ground Loops in Manhattan, Kansas, Geothermal Applications

You’ve got to have a new heating and cooling system. Maybe you’re partial to the idea of a new Geothermal HVAC. Whatever the case, you undoubtedly want to know a bit more about how geothermal works.

Geothermal HVACs variously cool and heat your home by extracting ground temperature. This works because of an underground system called a geothermal ground loop.

Ground loops are basically just a series of pipes buried in the earth. There are a few basic sorts of ground loop systems that can be used for heating and cooling most residential and commercial buildings.

Antifreeze fluid travels through plastic pipes to get heat effectively and efficiently up to a heat pump in the building.

Typically used are four different kinds of geothermal ground loops: Open Loop, Pond Loop, Horizontal Loop and Vertical Loop. These are divvied up into two categories categories: either they’re open loop systems or closed loop systems. The best system for your house is contingent on the specific structure and its environment. Home systems mostly use vertical or horizontal loops.

Below are additional details on each sort of ground loop.

Closed systems, which consist of vertical, horizontal, and pond loops, continuously push water through them.

Vertical ground loops are the most common type used residentially because, unlike horizontal loops, they don’t require a significant amount of space. They’re positioned by drilling tight-diameter holes in the ground that extend 100-400 feet deep. Then pipes are placed into the holes and connected under ground to form the vertical loop. Next, extra pipes are attached that channel fluid to the indoor system to transfer the desired temperature from the ground.

A horizontal system requires a lot more space but usually costs less since it just uses 2 straight pipes set 6 inches in the earth within an area of ¼ to ¾ acre.

If you’re thinking of getting a pond loop system, you plainly must be close to a pond, lake, pond, or well. Coils are installed vertically and fastened to the bottom of the water source. Water is then conveyed through more pipes underground to a pump, where the heat is extracted and cool water is put back into the pond. However, in order for this system to work, the water can in no way be be acidic or else pipes will corrode and filters will have to be replaced often.

The primary difference between open and closed looped systems is the open loop’s need for an adequate source of groundwater, like a well or pond. From there, it directly pumps water into the heat pump unit for use in heating and cooling your dwelling or other structure.

There are two ways to dispose of used water: through surface drainage or water re-injection. In returning the water back to the earth, it’s worth noting that there is no pollution generated. The only difference in water that’s processed through a geothermal heat pump is a slight change in temperature.

Before you install an open loop system, it is critical to know whether a well or pond holds enough water to power your geothermal heat pump, and that it won’t drain a neighbor’s well source. Make certain you check with your local contractor on whether there’s enough water available to support installing an open loop geothermal heating system.