JB Sparks wrote:Yeah Nortcan, the kit comes with a very long hose and a shovel. First you dig a trench about 5' deep in zig-zag pattern all over your yard, lay the hose in the ditch, and then back fill. When you are all done you will be plenty warm.![]()
Sorry, just had to say it, actually the only thing I know about the subject is it is a very long pay back period.
Freddy wrote:Skip the digging! Right next to me is the city where they invented *the* air to air heat pump that works.
http://www.gotohallowell.com/
VigIIPeaBurner wrote:I attend a meeting were an HVAC fellow talked about the numerous systems he's installed in NW NJ. For trench systems, he was talking at least 8' deep. He did not like slinky systems. IIRC it had to do with the loops overlaying its self and being less effective in heat transfer. He preferred the well water systems but you'd need a well with good recovery numbers and 500' deep.
europachris wrote:VigIIPeaBurner wrote:I attend a meeting were an HVAC fellow talked about the numerous systems he's installed in NW NJ. For trench systems, he was talking at least 8' deep. He did not like slinky systems. IIRC it had to do with the loops overlaying its self and being less effective in heat transfer. He preferred the well water systems but you'd need a well with good recovery numbers and 500' deep.
We installed a Carrier water-source heat pump setup back in 1981. We had two - one for each floor, plus a Woodchuck add-on wood furnace tied into the downstairs ductwork. This was in Southern Indiana.
The only problems during the short time we lived there was two failed bladder tanks on the well and lack of fine-tuning on the water flows. If both heatpumps ran hard in the winter the well couldn't keep up. After the flow rates/temperature Deltas were adjusted the well could do the job.
HOWEVER, after we moved, the new owners had the well fail (I believe the drop pipe rotted out) and had big problems with mineral deposits in the heat exchangers. It was not a real deep well, and I'm guessing the water was very hard (lots of limestone around those parts) and lots of iron. I'm guessing the well water was probably acidic, too.
A nearby town (French Lick, IN) is famous for "Pluto Water", which is a naturally occuring mineral water that reeks of rotten eggs (sulfur). The hotel in town was (maybe still is) a big resort and you could take baths in hot Pluto Water, drink the stuff, and there was even a bottling plant in town so people could buy that wonderful natural elixir elsewhere (or take home a momento).![]()
Back to the topic....Freddy - those heatpumps look very interesting! Do you have any idea of a typical installation cost?
chris
VigIIPeaBurner wrote:I attend a meeting were an HVAC fellow talked about the numerous systems he's installed in NW NJ. For trench systems, he was talking at least 8' deep. He did not like slinky systems. IIRC it had to do with the loops overlaying its self and being less effective in heat transfer. He preferred the well water systems but you'd need a well with good recovery numbers and 500' deep.
Freddy wrote:Skip the digging! Right next to me is the city where they invented *the* air to air heat pump that works.
http://www.gotohallowell.com/
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