14 seer condensor

Reply

  #1  
Old 07-31-10, 02:36 PM
Member
Thread Starter
Join Date: Jul 2010
Location: usa
Posts: 3
14 seer condensor

can i replace a 10 seer condensing unit with a 14 seer unit without changing the A coil,both are R22
thanks,marty.
 
Sponsored Links
  #2  
Old 07-31-10, 03:17 PM
airman.1994's Avatar
Member
Join Date: Dec 2005
Location: VA
Posts: 5,737
Upvotes Received: 3
No they must match or you will have many issues down the road. A coil is very cheap so this can;t be about money
 
  #3  
Old 07-31-10, 03:17 PM
Member
Join Date: Sep 2009
Location: U.S. Midwest
Posts: 1,340
Yes, assuming that both are for R-22. The evaporator doesn't "know" the SEER rating of the compressor - it only "knows" the flow rate and pressures of the refrigerant that it is presented with. The compressor and the evap should have the same ton (Btu/hr) ratings.

Now, if there isn't a perfect match between the compressor and the evap, maybe the overall system SEER will be less than 14. If that bothers you, replace the evaporator.
 
  #4  
Old 07-31-10, 06:20 PM
HVAC RETIRED's Avatar
Member
Join Date: May 2008
Location: Wisconsin USA
Posts: 715
They 'will' charge a considerable amount to install a new evaporator coil. Always make sure it has a TXV metering device.

Even if the old coil has a TXV, it won't be as efficient as a new matched coil.
 
  #5  
Old 07-31-10, 07:28 PM
Member
Join Date: Dec 2005
Location: USA
Posts: 186
I've done it many times and it has worked every time. You may not get the higher efficiency but you will get cold air. I would just stick with the basic 13 seer if I was you.
 
  #6  
Old 07-31-10, 09:55 PM
Banned. Rule And/Or Policy Violation
Join Date: Jul 2010
Location: US
Posts: 136
It'll work fine. Just make sure it is designed for R22 and has the same BTU rating as the one it's replacing. As others have stated you won't see the full benefit of the SEER rating without the matching coil so buy on price and not SEER rating.
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes