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Old 08-18-2010, 05:53 PM
 
Location: Paranoid State
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Anyone familiar with this brand? it uses water in the condenser. Positives? Negatives? Anyone recommend someone to service them?
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Old 08-19-2010, 10:54 AM
 
Location: Kingman AZ
15,372 posts, read 31,368,147 times
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we looked into it a couple of years ago and they were VERYYYY expensive units....
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Old 08-19-2010, 11:21 AM
 
2,038 posts, read 3,392,079 times
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Lamplight homes was one of the few communities in Las Vegas that ever offered them as an upgrade to standard HVAC systems.

I inquired about converting to a Freus system at one time. The cost/benefit didnt pencil out. I have also read that they aren't as efficient as they claim.

I have no first hand experience with the system though. I am surprised they arent more popular though. On paper, they seem to make a lot of sense.
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Old 08-19-2010, 12:38 PM
 
Location: NW Las Vegas - Lone Mountain
15,756 posts, read 29,902,047 times
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I know an old engineer that put one in four or five years ago. I emailed him for an opinion. If he responds I will post his views.

I have a vague memory of problems with build up in the unit.

Here is an interesting AC pro site I stumbled on...

Freus Air Conditioner - HVAC-Talk: Heating, Air & Refrigeration Discussion
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Old 08-19-2010, 04:00 PM
 
Location: NW Las Vegas - Lone Mountain
15,756 posts, read 29,902,047 times
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From four year Freus user.

Quote:
We have had one for about 4 years and I as a Mechanical Engineer am very satisfied with its efficiency. Our unit is about 3,000 sq ft and i believe that our electric bills during the real hot months are about 50% lower than those with conventional A\C units.

The bad news is that is that:
1. I believe the FREUS CO when out of business a couple of ago.
2. The water cooling phase of the system requires considerable care and maintenance because of the poor quality water that we have in this area.
3. Replacement parts will become more difficult to obtain.

If I were to put on my hat as a Design Engineer, this is the unit I would come up with.
I do have some suggestions for anyone interested in long term maintenance.
I would also note that this gentleman is very data oriented and if he says 50% you can take it to the bank.
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Old 08-19-2010, 04:44 PM
 
Location: Paranoid State
7,918 posts, read 6,326,630 times
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Thanks.... I found the HVAC-Talk forum, too, and it appears there are some folks there from Las Vegas.

I'm looking at a short sale that has currently non-operational Feus units, and just collecting as much anecdotal info as I can.

By analogy, it seems like they are a classic Italian sports car: when they work, they work well, but unfortunately they require lots of maintenance and TLC to keep them working...
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Old 05-13-2012, 11:10 AM
 
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I've had my Freus for six years. Bought new and have it kept up to keep the cost down, but as it turns out to save money it cost money. Yes it does save me on my bill - $250 a month down to $100, during the summer. BUT - I live in a manufactured home in Las Vegas. Redid my windows and new door, all old style single pane. Now it needs a new sump pump and timer. Will try and find parts soon. Don't won't the expense of a new ac.
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Old 05-13-2012, 04:40 PM
 
1,489 posts, read 1,551,981 times
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The problem with a water cooled condenser in LV is the hardness of our water. Scale builds up very quickly and destroys them. The hotels use water cooled chillers but have to use expensive water treatment to prevent the cooling towers and condenser tubes from scaling up. On top of the water treatment they do extensive maintenance to keep them clean. It's just not practical to do the same on a small home unit with our water.
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Old 05-13-2012, 05:08 PM
 
12,978 posts, read 10,398,367 times
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Quote:
Originally Posted by clutchcargo777 View Post
The problem with a water cooled condenser in LV is the hardness of our water. Scale builds up very quickly and destroys them. The hotels use water cooled chillers but have to use expensive water treatment to prevent the cooling towers and condenser tubes from scaling up. On top of the water treatment they do extensive maintenance to keep them clean. It's just not practical to do the same on a small home unit with our water.
I would think a simple RO unit would work. Any idea how much water you actually need?
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Old 05-13-2012, 05:51 PM
 
3,475 posts, read 3,762,901 times
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I do not know if they use the brand Freus or not, but water cooled condenser units is what the convention center uses. I would imagine that the casinos use that type of unit as well.
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