Ground Loops in Lafayette, Indiana, Geothermal Applications

It’s time for you to get a new heating and cooling system. Maybe you’re partial to the idea of a new Geothermal HVAC. If so, you probably want to know a bit more about how such a system works.

Geothermal HVACs take consistent temperature from the ground to deliver hot or cool air to your home’s interior. This is possible because of an underground system called a geothermal ground loop.

Ground loops are essentially just an underground pipe system. There are several basic sorts of these systems that can be used for heating and cooling commercial or residential buildings.

The way it works is, antifreeze fluid goes through the pipes to transfer heat effectively and efficiently down to a heat pump in the house.

There exist four different types of 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 appropriate system for your home is determined by your building and the property on which it sits. Residential systems usually use vertical or horizontal loops.

Below are more specifics on each type of ground loop.

Closed systems, which include vertical, horizontal, and pond loops, continuously move water through them.

Vertical ground loops are the most common type used residentially because, unlike horizontal loops, they don’t need a lot of space. They’re positioned by drilling tight-diameter holes in the ground to a depth of 100-400 feet. Then pipes are inserted into the holes and connected below the ground to form the vertical loop. Next, additional pipes are attached that convey fluid to the indoor system to transfer the desired temperature from the ground.

In comparison with a vertical loop system, a horizontal system needs much more space but is actually not as expensive considering it uses 2 straight pipes set 6 inches in the earth over an area of ¼ to ¾ acre.

If you’re partial to a pond loop system, you plainly must be close to a pond, lake, pond, or well. Coils are installed vertically and attached to the bottom of the water source. Water is then moved through more pipes underground to a pump, where the heat is pulled out and cool water is put back into the pond. Nevertheless, in order for this system to work, the water can in no way be be acidic or else pipes will erode and filters will need replacing often.

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

Used water is taken care of in one of two ways: through surface drainage or water re-injection. In returning the water back to the earth, it is important to note 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 exhaust a neighbor’s well source. See that you check with your local contractor on whether there’s enough water at hand to justify installing an open loop geothermal heating system.