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Geothermal Systems

Geothermal

Geothermal

Got Dirt? A Bosch geothermal system can heat & cool your home just by utilizing the dirt in your own backyard. We are one of the most experienced and knowledgeable geothermal contractors in the State. We design and install residential as well as commercial systems and have done up to 11 unit 23 ton systems. Our systems operate at top efficiency providing you with the quickest payback, we guarantee our systems will keep your home comfortable year round. We are International Ground Source Heat Pump accredited & N.A.T.E. certified for geothermal and members of the Wisconsin Geothermal Association. Full professional service & installation available for all products. We service all makes & models, call us today if you need service. Save on services when you sign up for an annual Maintenance Agreement.

Advantages of Geothermal

  • Heats for up to 1/2 the cost of natural gas, 1/4 the cost of propane, 1/5 the cost of electric, & 1/5 the cost of fuel oil. Cools for 1/2 the cost of a 16 SEER air conditioner.
  • 30% federal tax credit on entire installation!
  • Unlike solar geothermal works year round and heats and cools your entire home instead of just providing supplemental heat.
  • Ultra reliable with proven technology.
  • The average geothermal unit lasts over 25 years before needing replacement.
  • Replacement is easy with costs similar to a new furnace & air conditioner.
  • A variety of system installations are available to fit your application whether you have a large field, woods, a small lot, or a pond.
  • The popular closed loop geothermal system is virtually maintenance free. Change your air filter just like a furnace and have us inspect and clean it periodically and that's it.
  • Our Climate Master geothermal units are the most efficient on the market and are backed with a 10 year warranty.


Types of Geothermal Systems

Closed Systems:

Closed systems have the geothermal unit in the home and the loop field outside buried in the ground or sunk into a pond or private lake. These systems are low maintenance and very reliable. These systems must be installed by an IGSHPA & NATE accredited geothermal contractor because if the loop field is incorrectly sized system performance, efficiency, and longevity can be greatly affected and it is very costly to fix an improperly installed loop field.

Horizontal Systems:

Geothermal

  • These are the most popular systems, a trench is dug and the tubing is buried in the trench, the tubing is called the "loop field."
  • The tubing is filled with an anti-freeze solution typically an ethanol type.
  • This system requires a larger area of land for the excavation, but is typically less expensive than other closed systems.
  • We live in Wisconsin so the tubing must be at 8' deep to be below the frost line.
  • Some contractors install "slinky" loop fields where the tubing is lapped over itself. This process can greatly reduce system capacity and efficiency with is smaller heat transfer area.

Horizontal Directional Bore Systems:

  • This system is similar to a horizontal system except a directional borer buries the tubing under the ground so minimal excavation is needed.
  • It is great for people with a 1 acre lot or bigger but have a lot of landscaping or trees they do not want to disturb.
  • It will have a higher upfront cost than a horizontal system but that can be offset by requiring minimal landscaping.

Vertical Systems:

Geothermal

  • This systems consists of multiple vertical wells drilled 100'-200' deep depending in the system requirements and soil conditions.
  • By going vertical a much smaller area is needed allowing it to be installed in large city lots, suburbs, or wooded lots.
  • It requires less landscaping to be done, but can be more expensive.

Pond Systems:

Geothermal

  • If you have a large pond or private lake that is at least 12' deep a pond system could be for you.
  • It consists of a raft that the tubing is attached to the raft is then floated into the deepest part of the pond/lake and then sunk.
  • It can be cost effective since there is minimal excavation needed.

Open Systems:

Geothermal

Open systems use well water instead of burying tubing to get heat from the earth. These systems require a larger capacity well and area to release the excess water from the system.

  • Open systems have the lowest upfront costs because there is little or no excavation needed.
  • It does require a large capacity well; typically a minimum of 10 GPM is needed.
  • It requires annual maintenance to have the unit cleaned to maintain performance and efficiency.
  • Typically an open system will operate more efficiently during the course of a year than a closed system.


FAQ About Geothermal

Q: How does a geothermal unit transfer heat from the ground into my home?

A: A geothermal system uses a fluid to transfer heat from the ground to the geothermal unit where it is transfered to a heat exchanger which transfers the heat into the geothermal units refrigeration system. The fluid is typically an ethanol, methanol, or propylene glycol solution in a closed loop system and water in an open loop system.

Q: How can geothermal take enough heat out of the ground which is normally under 55 °F to heat my home?

A: A properly sized geothermal system can get plenty of heat out of the ground even if it is below 55 °F. It can do this primarily because the heart of a geothermal unit is a refrigeration system just like a refrigerator or an air conditioner. Your refrigerator can keep your food cool even if your house is 90°F because the specific properties of refrigerant in a refrigeration system allows it to move heat from inside the refrigerator to outside of it cooling the inside down. Even though 55°F seems cold to us, to refrigerant that is pretty warm as R-410a refrigerant boils at -55°F. This allows the refrigerant to change states and through that process it can greatly change its temperature. The heat from the ground is brought to the house as described in the previous question and then transfers the heat into the refrigeration system utilizing a heat exchanger. The R-410a refrigerant is then compressed in the compressor which heats it up, the refrigerant then goes to a different heat exchanger where it transfers the heat into air or fluid depending the type of heating system in your home, that system disperses the heat throughout the home like a conventional system. In the summer time the process is reversed and heat is taken out of the house and put back into the ground just like a refrigerator.

Q: I have talked to some people and they say that geothermal did not really save them any money over gas or that they are always having problems with it. Can these stories be true?

A: Having been in business for over 26 years we have heard and seen our fair share of horror stories of jobs done wrong. Geothermal is much more complex than a conventional gas system. You must take into account an exact heat loss, type of soil, soil conductivity, depth of soils, how many feet of tubing you need to bury, how many GPM you need to move to get a proper Reynold's Factor, what type of anti-freeze to use, how many CFM you need to move, and how the system will be used. You cannot expect a contractor that has only installed gas furnaces and boilers to have any kind of expertise in geothermal, the heart of a geothermal unit is a refrigeration system, not a gas burner. We have gone on several jobs where a customer called us because their geothermal system that was installed by another contractor was not working properly. We have never found the geothermal unit itself to be at fault, in every case it was the installer that caused the problem. The installer either undersized the geothermal unit itself, undersized the loop field, did not do a proper heat loss of the home, undersized the ductwork, or it was installed in a manner that wrecked the unit. 9 out of 10 times if there is a problem with a geothermal system it will be because of the installer. Be extremely wary of contractors that say they can do the same job for much less. We have had customers go with another contractor because they said they could do it for hundreds less only to later check on the job and find that they put in smaller equipment, a smaller loop field, and just made up the loss of capacity with an electric duct heater that is very inefficient and very counter productive to reducing your costs. One contracter undersized the system so much that electric heater had to run so often that his heating bill was the same as if he would have put in a natural gas hi-efficiency furnace. Geothermal is a very efficient and reliable system when properly done by a qualified installer. We are IGSHPA & NATE certified in geothermal with over 30 years of experience in geothermal.

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Location
2238 Neva Rd. Antigo, WI 54409
Connect With Us
Please feel free to like us on Facebook or leave us a Google Review!
Like us on facebook for more info on our AC repair service in Antigo WI
For AC repair service in Antigo WI, find us on Google!
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