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  1. Well, I went from a MERV 11 filter to MERV 16 and...

    Well, I went from a MERV 11 filter to MERV 16 and the pressure dropped from 1.15 inches at 1154 CFM to 1.06 inches at 1154 CFM. Huh?

    I put in a Lennox Healthy Climate 16 filter. Any opinions...
  2. So if I change the return duct to a bar style,...

    So if I change the return duct to a bar style, will that help enough to matter? Can I do a Merv 13?
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    I would like e dehumidifier with a remote...

    I would like e dehumidifier with a remote humidity sensor. It could be wired or wireless remote. I think that would help.
  4. I believe I have Merv 11 in the system right now....

    I believe I have Merv 11 in the system right now. (That is what I was sold.) With that I get a Static Pressure Check of 1.15 inches at 1154 CFM. And it says that is too high.

    So, will a Merv 13...
  5. Well, I have the infinity controller, and I...

    Well, I have the infinity controller, and I believe it will show pressure with the current filer and vents. Not pressure drop, but pressure. If I got those readings would that help?
  6. Wow, I guess I messed up the question some how. ...

    Wow, I guess I messed up the question some how.

    Can I use a MERV 16 filter in my system or will the pressure drop be too much for the system? Will I burn out the motor?

    If someone had a four...
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    My standalone has settings down to 30%. Of...

    My standalone has settings down to 30%. Of course when it is running the setting compared to six feet away is off by a lot. But this only causes cycling as it realizes its mistake in turning off.
    ...
  8. Best 4 inch filter for Carrier Infinity 2 stage three speed system?

    I tried searching and reading but I couldn't find a good answer, although I did see some for the one inch filters and even recommendations to get four inch upgrade. But I didn't see what filter is...
  9. Yes, I do believe the building leaks. I have...

    Yes, I do believe the building leaks. I have added weather stripping to doors, and sealed cracks I have seen so far. More to go I guess, just not sure where to check.

    Good idea about checking...
  10. And let's not forget how it is advertised...

    And let's not forget how it is advertised...
  11. Well, I have used the system for a while with...

    Well, I have used the system for a while with days getting up to mid/high 80s outside. Inside it is set to 78F, and it will cool past that set point down to 76F.

    It has never gotten the condo...
  12. I did find this attachement -...

    I did find this attachement - http://hvac-talk.com/vbb/showpost.php?p=1387297&postcount=18

    And this statement from jrbenny - For every degree below 75°F, target humidity is raised 2%. You can't...
  13. Thanks jrbenny, let me know what you think and...

    Thanks jrbenny, let me know what you think and how sure you are. This is an important issue for me so I do appreciate the help. Thanks beenthere for letting me know jrbenny's background, that...
  14. Oh, and Carriers marketing says things like: ...

    Oh, and Carriers marketing says things like:

    "Superior humidity control" - For Infinity AC.
    "Infinity™ Control—you have precise control over temperature, humidity, ..." - For the T-stat.
    ...
  15. acmanhoney, When I set it to 46% and the...

    acmanhoney, When I set it to 46% and the dehumidify is set on, no it does not cool beyond the set temp. It should, but it turns off at the set temp. I wonder if it has a differential humidity...
  16. OK, I understand the system won't cool too much...

    OK, I understand the system won't cool too much to reach the desired dehumidification. In fact the manual as much as states that when the talk about the two modes of dehumidification. The...
  17. My Condo is at 50% now but in various places I...

    My Condo is at 50% now but in various places I get mold and mildew. I would be happy if I actually got the house down to 40%. I can ramp the humidity up once I get rid of the problem and I find the...
  18. Carrier Infinity control lowest humidity setting 46%

    Well, I just had the complete Infinity system installed, AC, Furnace, and Control. The unit is communicating and reading correct outdoor temp. I have set the basic Himidity setting to one bar/one...
  19. The double the thickness idea was my own to try...

    The double the thickness idea was my own to try to get better air cleaning. I knew it would put a lot of stress on the fan...
  20. If I get the standard Carrier filter box, can I...

    If I get the standard Carrier filter box, can I put a better filter in it? By better I mean one that will pull more allergens from the air .
  21. Yes, I am ordering the Infinity control. After...

    Yes, I am ordering the Infinity control. After all that will be the heart of the humidity control. The point about producing is a good thing to remember. You know I may be for saving the whales,...
  22. Carrier Infinity system with what filter?

    OK, I need even more advice. Thanks so much for the help this forum has given me so far.

    I have decided on a Carrier Infinity system. That will give me humidity control, for which my condo...
  23. Non-Carrier dealer install, still warranted?

    If I buy a full Carrier system form a non-carrier dealer and they install it, will it still be covered by Carriers warranty?

    Basically I have a AC company that normally doesn't do Carrier but will...
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    I think bid #2 should be 58CVX070112, not...

    I think bid #2 should be 58CVX070112, not 58CUX070112.
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    Need help understanding bids

    I have two bids that I am considering. Both should be for a two ton Carrier infinity full system with Furnace and AC, and should qualify for the rebate of $1,000. But they are written differently...
  26. And the rebate goes through June or July? So if...

    And the rebate goes through June or July? So if I have it installed in June, I am fine?
  27. Carrier rebate? 24na724 = 2 or 3 ton?

    I can't find details of the Carrier rebates. Specifically I am looking for information on the Infinity system rebate. Before I outlay the cash I want to make sure the system will qualify. Any...
  28. Because of the temp difference, two systems...

    Because of the temp difference, two systems wouldn't be bad, except for the price difference. It would be nice if upstairs and downstairs were more in sync. Hopefully a VS system with the fan...
  29. My current system is very noisy when blowing air....

    My current system is very noisy when blowing air. 3 of the 4 contractors want to replace the grills with bar type. Maybe that will help with the noise. I don't know about evolution, but with...
  30. two ton, two point five tons, or three tons?

    You load sixteen tons and what do you get, another day older and deeper in debt. OK, enough of that...

    I have gotten four estimates and they vary from 2 to 2.5 to 3 tons. So I am really confused...
  31. Replies
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    Maybe I am misreading this but it seems to say...

    Maybe I am misreading this but it seems to say that a nitrogen purge and vacuum pull is not enough. Maybe he meant not enough if nitrogen was not used during the brazing?
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    Some one said that flushing the lines with...

    Some one said that flushing the lines with nitrogen and then pulling a vacuum was not enough. Is this true, as this is all my contractor has suggested needs to be done?

    As for breakers and fuses,...
  33. OK, as the customer that started this load calc...

    OK, as the customer that started this load calc issue...

    I have also called many companies and none said they do a load calc. So that is that.

    On the other hand lets say they charged, or...
  34. So if I need 2.5 tons, then 3 tons is too big,...

    So if I need 2.5 tons, then 3 tons is too big, and the 2 ton Infinity is too small. So why doesn't Carrier make a 2.5 ton Infinity system?
  35. Thanks beenthere, plexus, and luckyair. I will...

    Thanks beenthere, plexus, and luckyair.

    I will need to see about the tax rebate.

    As for the load calc, it sounds like I should be fine if I get a unit that matches my current unit. That might...
  36. Bid - No load calc, existing lineset/ducting...

    Background - I have a 1000sf two story condo that is 17-22 years old. Bid is to replace furnace and AC.

    I have had two bids now. Neither one did a load calculation. Should I be worried, or is...
  37. Thanks again rundawg. I have set up two...

    Thanks again rundawg.

    I have set up two replacement estimates for tomorrow and one for next Friday. I must admit the high cost of this has me nervous. But thanks to the responses here I have...
  38. Stupid question, can AC fan turn if breaker has been thrown?

    The outdoor AC units fan is turning and it is making noise. Could part of the AC unit still have blown the breaker? Or is this not possible or not very likely?

    I assume the answer is if the...
  39. Just found out that all of Orange County...

    Just found out that all of Orange County California is Zone 8, and does not need duct testing. I would think I would still want leak testing as the system is 17-22 years old.
  40. Thanks again platchford and rundawg. I think I...

    Thanks again platchford and rundawg. I think I have enough info to start making calls today. The NATE site gave me two good companies that are close, and I will just pick another that sounds good....
  41. Yes, this is true. I just looked it up (thanks...

    Yes, this is true. I just looked it up (thanks for pointing it out). It applies to alterations but not to repairs, (as I read it). And it says -

    Duct Sealing and Insulation
    §152(b) 1 D and...
  42. Thanks beenthere and rundawg. Rundawg, those...

    Thanks beenthere and rundawg. Rundawg, those questions are very helpful. I had to look up what 410A was. Thanks for confirming that NATE/RSES are good tech certs. By lineset, I assume this is the...
  43. Newbie needs help getting started with repair or replacement

    OK, I have spent the last few days trying to educate myself and I know what SEER is, but not much more, and I have found seems like hundreds of contractors in my area. So any help is appreciated.
    ...
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