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  1. This has been very useful. If for no other reason...

    This has been very useful. If for no other reason than this...
    Of the 4-5 pros I've had look at the house, only one offered the Bryant Extreme, and at a fairly reasonable price.

    But the idea of...
  2. Hmmm... Sounds a bit hopeless. But, at the...

    Hmmm...

    Sounds a bit hopeless.

    But, at the same time, I'm thinking that I can't be the first homeowner in Fla to have this problem.

    Also, I'm not sure what a small chiller is?

    Installing...
  3. How to deal with doors opening and closing -- letting in hot air?

    So, I'm in the process of re-thinking my A/C. I may simply be replacing a unit (one of three), or just re-designing the whole darn thing.

    Hence, I'm asking all sorts of questions.

    I'm a...
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    Well, for the "high" setting, I figure the CFMs...

    Well, for the "high" setting, I figure the CFMs at about 200. Like you say, the "high" setting only runs for 20-30min. So, even if it's too much, so to speak, it should be a problem.

    But the...
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    Where to dump the air??

    So, this is a follow-up to my original post.

    Two questions:

    1)

    I've decided to go with a variable speed continuous ventilation solution for the bathroom.

    High CFMs for when the shower is...
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    How to solve two problems...

    So, I have a home built about 1980. All prior owners appear to have been very conscientious in terms of maintenance. So, without specifying the "R" value, the attic insulation appears to be new,...
  7. Well, folks, as an update, for those who are...

    Well, folks, as an update, for those who are interested...

    I've found a great firm in Venice, Fla, who specialize in...well...exactly the kinds of things discussed in this thread, and on this site...
  8. So, the latest in this saga... It is beginning...

    So, the latest in this saga...

    It is beginning to look to me that as soon as someone becomes a competent HVAC person they...poof...disappear from the phone book...and appear only on this site!
    ...
  9. Well, I'm now on my third estimate. This...

    Well, I'm now on my third estimate. This gentleman actually had an idea of why the compressor blew up, and looked at me funny when I mentioned the previous guy had used the reset button.

    The...
  10. Actually, I had not even considered that...

    Actually, I had not even considered that question! But, I believe it is a heat pump that I need. Here in Fla we run A/C basically all year round, with relatively brief spells (days or weeks, at most)...
  11. How to balance initial cost vs brand vs features vs long-term savings?

    Hello!

    With this posting I'm hoping to perhaps get some insight into how to make the best decision regarding a new a/c unit.

    A few months ago I purchased a home in the Sarasota/Bradenton, FL...
  12. Update So, got home to an A/C trying to start...

    Update

    So, got home to an A/C trying to start up very very weakly.

    Looks like you all are absolutely correct...the compressor has further failed...and is now killing the replacement...
  13. So, a few things.... There is a time delay,...

    So, a few things....

    There is a time delay, and short-cycling is an issue. This is a 1.5 (maybe 1?) ton unit in an upstairs 400-500 sq/ft master bedroom area. There are also moisture issues from...
  14. Thank you for the comments. Much appreciated!

    Thank you for the comments. Much appreciated!
  15. Bad capacitor/hard start. What can I expect to happen...

    This is about:

    Carrier 38TRA018 330
    10 RLA, 41 LRA
    I believe it is 1.5 tons.
    Installed new in early 2005.

    Partners Choice capacitor
    5/30uF, 440V, 50/60Hz
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    sammy37, glad to hear you got a good deal. In...

    sammy37, glad to hear you got a good deal.

    In my case, it's the price that's keeping me away from the FanHandler. All the places on-line that I've looked at charge a pretty steep...
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    So, the pros I'm currently working with are...

    So, the pros I'm currently working with are taking a step-by-step approach.

    In their opinion the house is well-sealed, and there are no appreciable duct leaks.

    Thus far they have stepped the...
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    Fan speeds

    Finally, I've got some top-notch local guys working on things. But I've got a couple of questions...

    My units are 3-speed. These speeds appear to be fixed, and wired in. That is, to change a speed...
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    I know I've raised this issue before, but I've...

    I know I've raised this issue before, but I've been considering it, and can't figure it out. Even with a psychrometric chart.

    Why would the A/C have trouble with humidity even when the outside air...
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    Related to my last post... 1) As I understand...

    Related to my last post...

    1) As I understand it, any adjustment (especially slowing) to fan speed will require a matching adjustment to the freon. This keeps the coil from freezing.

    2) A TXV...
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    So, a couple of things... 1) Without a p-trap...

    So, a couple of things...

    1) Without a p-trap warm, moist air flows back up into the coil? That's one source of warm, moist air. But, it still leaves the emergency drain open (which it has to be,...
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    JBM1000, believe me, that's all I want, a decent...

    JBM1000, believe me, that's all I want, a decent pro. I have no personal desire to do A/C work. I fully realize that there are... But, this is an educational site, that's why I'm here, to find out...
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    A bottom seam in the airhandler came loose with a...

    A bottom seam in the airhandler came loose with a .5"-1" gap. I put some mastic on it. Coils are staying clean...so far.
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    The furnace is horizontal, with the air intake at...

    The furnace is horizontal, with the air intake at one end, coming up from the bottom.

    Between the furnace and the coil there's a ~2'-3' section of straight duct about the same size as the furnace....
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    Wow, I'm going to have to start to understand...

    Wow, I'm going to have to start to understand grains of moisture. That's a totally new idea for me.

    In the meanwhile, let me add this. It may be normal, I don't know.

    My coil is a flat vertical...
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    dash, downstairs has a 17*-20* delta between...

    dash, downstairs has a 17*-20* delta between vents and return, depending on the vent.

    Re: the upstairs stairwell. The vent is directly beyond the door. Door is open all of the time. So the top of...
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    dash, regarding the door... The second floor...

    dash, regarding the door...

    The second floor is kind of like a square box sitting on top of the back half of the downstairs. The far back contains a stairwell with a door at the top.

    My point...
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    So, as far as I understand, thus far we've been...

    So, as far as I understand, thus far we've been assuming basically two things.

    One, that the A/C is either oversized, or poorly regulated (that is, running with an incorrect fan speed, or needing...
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    Wow, you're absolutely right. The literature...

    Wow, you're absolutely right. The literature gives 854 CFM. And Carrier recommends a high efficiency filter which reduces CFM by 7% = 800 CFM.
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    So, the suspicion is that the A/C is picking up a...

    So, the suspicion is that the A/C is picking up a lot of moisture somewhere. So much so, that it's actually overwhelmed.

    To my layman's ears that seems to possibly mean a few things. The...
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    Ok, so the furnace is a Carrier. 58STA045-10108....

    Ok, so the furnace is a Carrier. 58STA045-10108.

    I'm going to try to post some pictures of the set-up in the attic...
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    Ok, so now I'm a bit confused. With the just...

    Ok, so now I'm a bit confused.

    With the just the fan "On," and the A/C off, the temp at the vent was about 73, and the RH% into the 80s.

    Then, on "Auto," and the A/C on, the temp at the vent...
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    After I typed all that I got curious. With...

    After I typed all that I got curious.

    With the A/C running on "Auto," and set to 75*, in the middle of a cycle, the air coming out of the vents upstairs is at 85% humidity, and 54*.

    That's not...
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    Well, mchild, I believe you are absolutely right....

    Well, mchild, I believe you are absolutely right. Especially here:



    That's about it. But it's that last bit, that'll be the tough part. Luckily, there's this forum! And I do appreciate all the...
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    Oh, and let me add that about half of the guys...

    Oh, and let me add that about half of the guys who looked at my systems said that I need to vent my attics with motorized fans, and the other half said my attics are fine.

    The local advice I'm...
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    Dash, I agree with you. I grew up in Florida....

    Dash, I agree with you. I grew up in Florida. A/Cs work just fine down there.

    Using both internet referrals like Angie's List, and local personal referrals, I've had 3 A/C pros look at my system....
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    So, after a bit of digging, I've found that... ...

    So, after a bit of digging, I've found that...

    My units use a Copeland Scroll.

    And can be fitted with RPB TEV/TXVs (:D) or, "hard shut-off" TEV/TXVs. Now, whether that is the same as bleed or...
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    Well, that's the thing. The guys who will install...

    Well, that's the thing. The guys who will install the FanHandlers won't do it without converting the pistons to a TXV.

    Overall, it looks like my neck of the woods is badly in need of A/C folks...
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    It's an airhandler. And, the compressors seem...

    It's an airhandler.

    And, the compressors seem have insulating blankets.
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    Well, I have no idea if my compressors are...

    Well, I have no idea if my compressors are scroll-type. To find out, I tried to do a little research with model numbers and what not, but didn't get very far.

    Any tips on how to figure that out?...
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    FanHandler Eval...

    So, the A/C pro who is somewhat familiar with FanHandler looked at my system.

    As always, it apparently won't be so simple.

    Apparently, the FanHandler will require a TXV. I presently have...
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    Several reasons. Portable dehumidifiers may...

    Several reasons.

    Portable dehumidifiers may work, but are a pain.

    I have two A/Cs. So, I would need two whole-house dehumids + ductwork. The expense would be considerable, and beyond my...
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    I believe it actually takes over the fan cycle,...

    I believe it actually takes over the fan cycle, effectively prolonging it. So, yes, it's within the normal parameters. But, if it starts slow, then it won't cool/heat the house quite as...
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    Oversized...?

    This, by shophound, is probably the most accurate assessment of my dilemma:

    Ok, so if I understand all of this, a (very) simple way of explaining an "oversized" system is a system that is too...
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    ICM750 vs. FanHandler

    So, the Power-Save is out. Well, it seemed like a reasonable idea...

    That's very interesting. It's the ICM CC750, right?

    This product seems to be more advanced than the FanHandler, being...
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    So, the bottom line is...

    But I guess my biggest concern is will my motor survive the FanHandler? :confused:

    FanHandler themselves seem to really cover their rear ends on this issue.

    Their literature insists up-and-down...
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    The interesting thing is that I basically have...

    The interesting thing is that I basically have two attics. The rear of my house has a 2nd floor. The 2nd floor attic has two passive vents at either end, just 12"x12" slatted openings. The downstairs...
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    Why a FanHandler? So, first, see my post "What...

    Why a FanHandler?

    So, first, see my post "What is reasonable?" in this same forum.

    Well, my reasoning is something like this...

    I have two A/C units. Humidity is running high. 47%-62%...
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    Should I vent the attic?

    Again, my local pros are divided.

    I have an insulated (well, at least pretty well insulated) attic.

    Should I install an exhaust fan up there?

    I've been told both that:

    1) It has to be hot...
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    FanHandler + Baldor. Necessary??

    I'm looking to install a FanHandler on my Carrier single speed split-system.

    My local pros are divided on the Baldor motor.

    That is, some say that a single-speed motor simply won't be able to...
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