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Ruud AC Unit Not Cooling cybercat 05-06-2008
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Posted by S. Barker on May 8, 2008, 5:31 pm
ACTUALLY "freon" was a brand name registered by dupont for r-12.

And no, i have no idea about discontinued products before r-12. But it does
seem they experimented with some ammonia type products on automotive
applications.

steve


>
> I figured it out. Freon is generic name for the refridgerant R-22. Must
> come in other types.
>
> Steve, (since you read the thread figure you will see this) is there an
> older version of this which is phased out now? I know you listed ones
> still in production, just was wondering if my system uses something older
> that really is gone. Then again, could be some city ordinance or
> something I'm tripping over here? (Norfolk VA area).
>



Posted by Speedy Jim on May 8, 2008, 6:32 pm
S. Barker wrote:

> ACTUALLY "freon" was a brand name registered by dupont for r-12.
>
> And no, i have no idea about discontinued products before r-12. But it does
> seem they experimented with some ammonia type products on automotive
> applications.
>
> steve


Read the (condensed) history here:
http://refrigerants.dupont.com/Suva/en_US/about/history/index.html

Jim




>
>
>
>>I figured it out. Freon is generic name for the refridgerant R-22. Must
>>come in other types.
>>
>>Steve, (since you read the thread figure you will see this) is there an
>>older version of this which is phased out now? I know you listed ones
>>still in production, just was wondering if my system uses something older
>>that really is gone. Then again, could be some city ordinance or
>>something I'm tripping over here? (Norfolk VA area).
>>
>
>
>

Posted by Steve B. on May 8, 2008, 9:28 pm


>
>I figured it out. Freon is generic name for the refridgerant R-22. Must
>come in other types.

Freon is DuPont's trade name for its odorless, colorless,
nonflammable, and noncorrosive chlorofluorocarbon and
hydrochlorofluorocarbon refrigerants, which are used in air
conditioning and refrigeration systems. (lifted fro Wiki)

Many people call any R-22 Freon much like any Vacuum cleaner is a
Hoover or any refrigerator is a Frigidaire.

>
>Steve, (since you read the thread figure you will see this) is there an
>older version of this which is phased out now? I know you listed ones still
>in production, just was wondering if my system uses something older that
>really is gone. Then again, could be some city ordinance or something I'm
>tripping over here? (Norfolk VA area).


R-12 was used in cars and was discontinued back around 94. It is
still pretty readily available although it is expensive (about $30 per
can) There are other refrigerants out there for really really old
stuff and specialized stuff but the majority of home A/C systems made
in the last forty years or so use R-22.

The price of R-22 is going crazy these days but it isn't hard to get.
Much like car gas I guess. I think you are either hearing paranoia
or someone wanting to sell you a new system.

Steve B.

Posted by Steve B. on May 7, 2008, 6:37 pm
wrote:

>Qty and Service Non HSP HSP
>
>Diagnostic: $99.00 $47.00
>HSP agreement $0 $149.00
>Gas surcharge $10.00 $0
>1 lb R-22 (1st pound) $ 91.00 $77.00
>4 Additional lbs R-22 $108.00 $88.00
>2 Cleaning coils $162.00 $0
>Total $470.00 $361.00
>
>So we paid $361 and this includes a heating check next fall.
>


Well I am far far far away from an expert but...

The contract is worth its weight in Gold when the system konks out on
July 4th and it's 100 degrees outside. Instead of going to the back
of the line with the other 100 people with no air you go to the
express lane with the contract people. Excellent brownie points with
SWMBO when the house is cool again.

The leak is hard to say... You could have a slow leak that has been
leaking for years and just got to the point that the system wouldn't
cool anymore. Could be you have developed a big hairy leak and it
will all be gone again in a week. Cross your fingers, toes and
anything else that will cross and hope for the best.

Pricing looks like a bargain to me.

Steve B.


Posted by S. Barker on May 7, 2008, 8:52 pm
i say even if you need a new outdoor unit, refrigerant lines, and the inside
coil, You DON't need new ducts. And the three items imentioned should run
you about 3k installed. Been there, done that 4 times.

s


>
>>
>> Waiting patiently and hoping for good news!
>
> The AC guy just left. As soon as he saw the unit, he said, "I can tell you
> what the problem is, it is out of freon." I said, "Oh, good, then you can
> just fill it up!" He said, "No, that's not good, because I can fill it up
> but it will just leak out again."
>
> He could not tell me how long it would take to leak out again. He could
> tell me that a new system, with new ductwork is going to run something
> like $7K to 9K.
>
> I told him we would have to take our chances and hope the freon would last
> for a while.
>
> He sold me on a $150 per year maintenance plan for both heating and
> cooling, with one check in the spring that includes coil cleaning every
> year. Then a check of the furnace etc. for winter. With this maintenance
> plan, we got a small discount on freon.
>
> Here is what the invoice looks like:
>
> Qty and Service Non HSP HSP
>
> Diagnostic: $99.00 $47.00
> HSP agreement $0 $149.00
> Gas surcharge $10.00 $0
> 1 lb R-22 (1st pound) $ 91.00 $77.00
> 4 Additional lbs R-22 $108.00 $88.00
> 2 Cleaning coils $162.00 $0
> Total $470.00 $361.00
>
> So we paid $361 and this includes a heating check next fall.
>
> Under Work Performed:
>
> Performed service. cool check on system checked volts, amps, coils,
> motors, filter, T-stat, Electrical, Refrigerant, Capacitors, superheat,
> temperature drop, Diagnostic system, very low refrigerant. Added 5.04 lbs
> of R.-22. Diagnose no other problems at this time.
>
> Technician recommends: System upgrade due to age and efficiency. Very
> highly recommend replacing system. Leak search test $35 per 1/4 hour."
>
> Hmmm. Anybody know what the leak search results mean? Did I just pay $361
> for a week of cool air?
>
> By the way, the unit is beautiful now, he did a great job cleaning it
> inside and out. It looks new.
>
> What say you experts?
>
>



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