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wrecklifter 02-17-2011 01:12 PM

free air conditioning?
 
I have a 100 ft deep well with a 4" casing. I a had a new well put in because this one was giving us trouble. Does anyone know if I can use the old well to cool my house.

Bondo 02-17-2011 01:37 PM

Quote:

Originally Posted by wrecklifter (Post 592819)
I have a 100 ft deep well with a 4" casing. I a had a new well put in because this one was giving us trouble. Does anyone know if I can use the old well to cool my house.

Ayuh,... That'll depend on what kinda Troubles it was givin' ya....

It's possible, it might be able to be used as a ground loop for a heatpump...
Aka; Geothermal...

operagost 02-17-2011 02:53 PM

It would save you about $10,000 if it proves suitable for that!

STL B. 02-17-2011 03:03 PM

One of my customers recently had geothermal hvac installed and he told me that the "wells" are around 15,000 btu each. He had several 10+ bored in his yard so I doubt one would help much. If the pump still works and your in a dry climate (AZ.,NM.,CA..ect..)you could build a swamp cooler.

troubleseeker 02-17-2011 09:21 PM

Quote:

Originally Posted by wrecklifter (Post 592819)
I have a 100 ft deep well with a 4" casing. I a had a new well put in because this one was giving us trouble. Does anyone know if I can use the old well to cool my house.

Not nearly enough for ground source heat pump. They need about 1500' to several thousand feet of tube, depending on size of the unit. Vertical bores require multiple large diameter bores with multiple loops of tube per hole.

wrecklifter 02-18-2011 12:04 PM

Thanks so much for the input! The well still works, it has metal casing that is scaling and causing rust flakes in our water. But from what was said in reply, it is woefully inadiquate for cooling my house. t

iamrfixit 02-18-2011 04:44 PM

Unless that well were connected to a spring it would not be enough for geo thermal.

Quote:

Originally Posted by troubleseeker (Post 593098)
They need about 1500' to several thousand feet of tube, depending on size of the unit. Vertical bores require multiple large diameter bores with multiple loops of tube per hole.

I actually have Geo Thermal installed in my house using vertical wells.

I have a 1500 sq foot ranch style house. I have a 3 ton unit and it required 3 wells 175 feet deep and the wells were only about 4 inches in diameter. The tubing goes straight down, through a U fitting in the bottom and straight back up.

I live in Iowa, we can see 20 below in the winter and 100 and humid in the summer, my system was installed in 2005 and works just fine.

bluebird5 02-18-2011 07:29 PM

Before you pump air inside of your home from a deep hole in the earth, you need to have it testd for RADON GAS that can cause lung cancer. some areas hav higher concentration than others but can vary even from house to house

bluebird5 02-18-2011 07:31 PM

even if you use well water you need to have it tested because when you are taking a shower, you could be breathing in the gas being released from the water.

troubleseeker 02-18-2011 08:46 PM

Quote:

Originally Posted by bluebird5 (Post 593563)
Before you pump air inside of your home from a deep hole in the earth, you need to have it testd for RADON GAS that can cause lung cancer. some areas hav higher concentration than others but can vary even from house to house


The system does not pump cool air from the well. The "loop" or "tubes" referred to are a closed system of tubing through which refrigerant is pumped, the difference is that a regular ac uses the ambient air to remove the excess heat from the coils with the help of the fan, whereas a geothermal system uses the much cooler and even temperatured ground water (sometimes tubing in a pond) to remove the excess heat. Some systems are not even "water source", but are "ground source", in which the tubing is just buried in the ground, which is still much cooler and stable than normal summer ambient air temperatures.

bluebird5 02-18-2011 08:51 PM

i just wanted to make sure no one did anything crazy


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