|
Posted by KJPRO on May 7, 2008, 9:48 pm
> Telstra wrote:
>
>> Not a lot of peaple post HERE so they have to make the most
>> of the one's that do.
>>
>> Anybody want a 9 Lobe 7 Flute 300 Ton Frick Screw for $10
>> Come's with 5 Tons of NH3 and a free EVAPORATOR COIL
>> ( NEW ONE ) Very usefull for holding down the roof in a
>> cyclone ( 3 Ton Weight )
>>
>> The Interpretation of all the Complex technical terms USED IS
>> THEY WANT YOU TO BUY A NEW ONE
>>
>>
>>
>>> My mom's 22 year old 4 Ton 10-seer Carrier A/C condenser is shot. Her
>>> furnace is relatively new.
>>>
>>> She wants to replace the old unt with a new Puron Carrier 4 ton
>>> condenser.
>>>
>>> One HVAC company is saying that they do not install new evaporator coils
>>> because it is unnecessary, and the efficiency will be around 12 or 13 if
>>> the old coils are used with a 15 seer unit. They say they have never
>>> had a problem with leaving the old evaporator coils in.
>>>
>>> Another HVAC company is saying that it is important to install new coils
>>> because the efficency won't be good, and also the unit will be under
>>> more stress with the old coils and will likely only last for 4 years.
>>>
>>> Which of the two is correct?
>>>
>>> Thanks,
>>>
>>> J.
>>
>>
> Hi,
> Rule of thumb, you always use matched set. Older coil may die soon(spring
> a leak) or if you want to reuse it, it needs flushing with
> special chemical which is very expensive. (R22 and Puron oil is different)
> Most techs does not want to do this. Also Puron runs at
> higher pressure. Proper thing to do is to replace line set, coil and use
> transfer valve. For more expert advice go to forum at www.hvacmechanic.com
> I am not a tech. Just alert consumer.
Using an older coil is for the Hacks, like Stormy.
You don't use a old R22 coil for a new R410 system, PERIOD!!!!!
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap