Geothermal Loop Installation Solutions

Geothermal has been used to heat and cool commercial and residential structures for over a half of century. When the modern units started into the market, the air cooled units, electric cost was considerably low. But with the rising cost of energy and the new billing concept “High Peak Demand” has homeowners looking to save real money. The Heating and Cooling is the largest part of any electric bill. With the new generation of Geothermal Heat Pumps systems like GeoCool and the newest technology in the installation utilizing alternate resources makes Geothermal affordable.

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Lake & Pond Loop

 

Utilizing a Lake has also been around for years and has been very effective. There are several ways to design the loop. A few factors to consider is the size, depth, and water level in extreme drought conditions. The most common is a slinky loop, creating multiple tracks linking them together as one or having several tracks and utilizing a manifold. Then sinking it to the bottom.

 

Another is to utilize a closed loop heat exchanger as shown below, then sinking it to the bottom. This copper exchanger is less labor intense, found to be cheaper and very effective.

 

A pump and dump could be used if the lake is clean in the area for the filter placement and deep. The intake filter housing must be off the bottom.  This designs works with the correct filter system to protect the Water / Freon exchanger in the geothermal unit. This design is to be considered an open loop and a in-line pump will have to be used.

Pond Loop

 

Utilizing a pond has been around for years and has been very effective. There are several ways to design the loop. A few factors to consider is the pond size, depth, and water level in extreme drought conditions. The most common is a slinky loop, creating multiple tracks linking them together as one or having several tracks and utilizing a manifold. Then sinking it to the bottom.

 

Another is to utilize a closed loop exchanger as shown above, then sinking it to the bottom. This copper exchanger is less labor intense, found to be cheaper and very effective.

 

A pump and dump could be used if the pond is clean and deep. The water must hold a cool constant temperature, as for most ponds are shallow and  rise in temperature in the summer months. Must use a correct filter system. The intake filter housing must be off the bottom. This design is considered to be an open loop and a in-line pump will have to be used.

Horizontal Ground Loop

 

This installation was one of the first solutions. Now most common when new construction is being done. Planning when no obstructions and easy access to the landscaping. This is a close loop.

Vertical Ground Loop

 

When space is limited a vertical loop is considered. This installation requires several holes dug down deep into the ground. With pipe going down and up looping into several holes before returning to the geothermal unit.  Today this installation is expensive but very efficient due to most likely to pass through pockets of water. This is a close loop.

Well Ground Loop

 

This installation can be installed several ways. One is to just pull water from a well, pass it through the geothermal system then discharge it. South Florida has thousands of these installations, but the main problem was retaining a water levels in the well. The other problem was discharging the water, most was running a sprinkler system when the unit was running, but you can only water grass for so long, then it was dumped into the gutter or city sewer drain. This concept was considered not very environmentally friendly.

A Single well system is to dig one deep well vertically into the ground and drawing the water at one level and discharging back into the same well at another depth or level or if available discharging into a pond or lake.

Two wells installation design is using two deep wells dug vertically into the ground proximally 20 feet apart. One was to draw the water out sending it to the geothermal unit then discharging it back into the other well. These are considered to be open loops.

River - Lake - Pond Loop

 

A river, lake, or pond installation makes an excellent geo-exchange, transfer of heat, but it takes several design factors into consideration. Just a few thoughts,  history of the rivers flow during extreme droughts, current speeds, depth for placement, and accessibility.  Placement under a dock seems to be the best for a river. Utilizing this closed loop Hybrid Heat Exchanger as shown works perfect. This unit saves time and money.

Utilizing today’s new technology in filters a pump and dump could work if the intake placement is attached to a dock, but it must be in deep water and the discharge could be closer to the river bank.

Slinky Ground Loop

 

This installation is very popular today.  Used when space is a issue. Less digging of trenches. Although the depth is the same but the width and length is a lot less. This is a close loop.

Text Box: Pump & Dump

Swimming Pool Loop

 

This is a very unique geothermal design application. It works several ways and may be used with or with out a Evaporative Cooling Tower. Depends on the geographic location the geothermal installation is being applied. If an in-ground pool already exist, a Cooling Tower most likely will be needed, depends on the size and location of the pool. This is a very energy efficient system and has added benefits.

 

If you are designing and building an in-ground pool consider under ground geothermal piping. Very easily done during construction.

 

Using a swimming pool as a heat exchanger will extend your swimming season and get the most out of your pool.

Remember the above geothermal loop illustrations is to get you thinking on what resources you have available. The  GeoCool Heat Pump System is  a very efficient geothermal unit, offering one of the best warranties in the HVAC industry.  With so many extra benefits and options that can be added will save you real money!    Also the Geo Cool unit has an added option available to make your HOT water. 

 

Commercial Units are also available to save Business on their Heating and Cooling!

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info@geocoolheatpumpsystems.com

 

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Not all geothermal systems are the same. Many considerations must be applied. There is a rule of thumb, but any geothermal system must be designed for your geographic area.