Naturally Cool!

Geothermal. What is it? How does it work?

The earth is a heat sink.

Heat is efficiently removed from the home and transferred to the water in the vertical closed-loop system buried in the yard. This heat is easily dispersed in the cool ground water that abundantly saturates the island. The cooled loop water returns via the buried loop, back to the unit, ready to start the cycle again. In open loop applications, the same is achieved using a series of wells.

Loops allow us to transfer heat to the earth.

This transfer of heat to the cool ground works with superior ease compared to traditional air conditioning units of the past. Rather than forcing “heat-to hot air” like conventional A/C systems, geothermal cooling units provide the highest comfort level while using 30 to 50% less electricity.

An ultra-quiet ultra-efficient pump allows us to cool your house.

The pump will take heat from you home or office and pump and circulate into the naturally cool ground water. The GeoComfort box will keep this process going with the ground loop and eliminate the noise and cost of a typical A/C fan unit.

Equipment Benefits

  • Super efficient
  • Super quiet
  • Super durable
  • Super warranty
  • No combustion
  • Super net zero

Geo Cost Savings

Your exact savings will be determined by many variables such as thermostat settings and electric rate amongst others. Most homeowners will see a reduction of 30 to 50% in their cooling costs. In the Cayman Islands, where cooling costs make up 80% this represents a significant savings on your electrical bills! A study by the U.S. Environmental Protection Agency showed that geothermal systems have the lowest life-cycle costs of all cooling systems currently on the market. Lower maintenance costs and longer life expectancy of geothermal units should certainly be taken into consideration when determining true savings.


Conventional looks pretty good.
Total Cost: $5,000
Geothermal looks way better!
Total Cost: $12,000

5 Years

Conventional wears out too fast.
Total Cost: $8,500
Geothermal still runs great!
Total Cost: $12,000

10 Years

Conventional needs replaced. :-(
Total Cost: $13,500
Geothermal installation is now cheaper! It's all gravy from here.
Total Cost: $12,000

Geothermal vs Conventional

Geothermal = Better
Conventional = Not As Good
GeoCayman Geothermal Cooling

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GeoCayman is a division of NCB Group

Businesses related to GeoCayman:
Tropic Taps Plumbing, Ltd.