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Type: Posts; User: Cap'n Preshoot

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  1. I do clean mine, once a year in the early spring,...

    I do clean mine, once a year in the early spring, pulling all the %#$! pine needles out of it then hit it with the pressure washer, but that's the full extent me "wetting it down".
  2. That would seem counter-productive as by doing so...

    That would seem counter-productive as by doing so you would be creating a negative air pressure inside the home, causing it to suck-in outside (balance) air from wherever it could, such as poor seals...
  3. Thanks all. The climate here in Houston, TX is...

    Thanks all. The climate here in Houston, TX is hardly conducive to any evaporative cooling devices, so I was very skeptical when I saw the ad. Of course the retailer is making wild claims about...
  4. Yes. The advertised product is called "The...

    Yes. The advertised product is called "The Mister" compares almost identical to the "Cool-'n-save" product advertized on Amazon... same principle. - to me it looks a little like a miniature version...
  5. Water (mist) spray on condenser unit - help or hoax?

    We're starting to see TV ads here in S. Texas for a water misting device that you mount on the outside of your condenser/compr unit ostensibly for the purpose of enhancing performance or conserving...
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    They screen those fairly well. Anyone who has...

    They screen those fairly well. Anyone who has ever crossed swords with them is generally put on a "no fly list" that they share access to.
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    Holy crap Mark, that is a GREAT link! I'm...

    Holy crap Mark, that is a GREAT link! I'm passing that one on to my HOA for inclusion in their monthly newsletter.
    Thanks again!
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    Thanks. Each home (ours included) has a small...

    Thanks.

    Each home (ours included) has a small 6" return duct coming from outside. This is damper-controlled with some electronics to determine when it's needed. The concept is to hold a slight...
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    Ours is one of those Del-Webb (55 & over...

    Ours is one of those Del-Webb (55 & over restricted) communities with over 1,000 elderly (many over 70) just ripe for being fleeced by fast-talking hustlers. The oldest house in the entire community...
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    Thanks Jim. Dust? Yes, but there's a reason....

    Thanks Jim.

    Dust? Yes, but there's a reason. We've been inundated with tree pollen this Spring & normally this time of year we'd have our windows open to enjoy the fresh air free from Mother...
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    Thanks!!! Thanks too for the speedy reply :)

    Thanks!!!

    Thanks too for the speedy reply :)
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    Duct Cleaning, Value or Flim-Flam??

    We are the original owner of a 5-yr old townhome in one of the western Houston suburbs (A/C runs 8 mos. out of the year, furnace runs about 4 weeks out of the year)

    Our townhome is all on 1...
  13. GOSH :) Unarguably most typical homeowners...

    GOSH :)

    Unarguably most typical homeowners wouldn't have bothered to even soil their hands, but this crap fascinates me. I've always been the home handyman type and neighbors sometimes look at me...
  14. Mystery solved

    Okay, you guys get another star >sheepish grin<

    There indeed was a leak in the RA ducting, of all places right at the base of the RA plenum where the large (20") round duct attaches to the collar....
  15. Thanks. Great idea!! I just happen to have a...

    Thanks. Great idea!!

    I just happen to have a combo Temp/RH gauge which also includes DP display as well. It's an ExTech #445814 "Psychrometer". It's been recently calibrated, so should be close....
  16. With 18" of blown-in insulation it's awfully hard...

    With 18" of blown-in insulation it's awfully hard to go trapesing through it without causing as much damage as you set out to cure (or search for). Believe me, I was not at all happy that the the...
  17. Fresh air damper remains disconnected. Fan is on...

    Fresh air damper remains disconnected. Fan is on 'auto'. RH is showing 55% this morning (5:30 AM)
  18. Unfortunately 10 hrs later there's no improvement...

    Unfortunately 10 hrs later there's no improvement in RH. Still hanging in there, drifting between 57 and 62%
  19. OKAY - Follow-up - some progress! The new tech...

    OKAY - Follow-up - some progress!

    The new tech (fairly young fellow) left about 10 mins ago. Upon arrival he measured the subcooling and found it to be 22 deg. He also said the system was...
  20. Thanks Darrell. I'm not going to say a...

    Thanks Darrell.

    I'm not going to say a hellouvalot to him/her, I'd much rather accompany them to the attic and back yard, keep my hands in my pockets and observe. They're the pro, not me. (Just...
  21. I would bet a pension check on overcharge as...

    I would bet a pension check on overcharge as being one of the problems, but maybe not the root cause. Remember, the original BOZO agreed the indoor temp split was wrong, but after inspecting the coil...
  22. No. The attic access is via a pull-down stairway...

    No. The attic access is via a pull-down stairway in the garage. We also have 18" of blown-in insulation. It wasn't originally that deep, but after a minor structural problem the builder sent an...
  23. Right now (7 PM) it's cooled off a little,...

    Right now (7 PM) it's cooled off a little, ambient temp outside approx 86. With systen on (running for 5 mins) the liquid line right at the compressor, as best as I am able to determine, is also 86...
  24. Many thanks. From all this it's obvious to me...

    Many thanks.

    From all this it's obvious to me that it's time to have (another) pro take a second look at it. In the peak heat of the day I'm seeing compressor amperage right around 12 amps. ...
  25. Apologies for not getting back sooner. Here are...

    Apologies for not getting back sooner. Here are the stats & info

    Condenser/Compressor Lennox 14ACX-036
    A Coil: Lennox CH33-44/48B -2 -F
    TXV

    Flwg data retrieved moments ago (12:30 PM Friday...
  26. OKAY, side plate data: Model is a Lennox...

    OKAY, side plate data:
    Model is a Lennox 14ACX-036-230-07
    Installed 11/07
    Factory chg: 8 lbs 9 oz
    Design pressire high side 446 PSIG low side 236 PSIG
    Compressor amps (RLA) 14.1

    Will see...
  27. Thanks for your offer. I don't have a temp...

    Thanks for your offer. I don't have a temp probe, just the gun and regular indoor/outdoor atomic clock/thermometers and a residential "Taylor" RH gauge built into a nice barometer/clock thermometer...
  28. Only a 1/4 in hole in the ceiling to push in a...

    Only a 1/4 in hole in the ceiling to push in a layup stick so he could find it in the attic. The glass break sensors are just screwed into the sheetrock ceiling. We have what appears to be good...
  29. Only a 1/4 in hole in the ceiling to push in a...

    Only a 1/4 in hole in the ceiling to push in a layup stick so he could fine it. The glass break sensors are just screwed into the sheetrock ceiling. We have what appears to be good suction on both...
  30. Unfortunately all is true. He was trying to get...

    Unfortunately all is true. He was trying to get the temp diff up to at least 15 degrees and said that the differential being low and the current draw also being low suggested to him that it was low...
  31. The Tech *purposely* added addt'l coolant based...

    The Tech *purposely* added addt'l coolant based on what he determined was low current draw. He had his manifold guages attached along with amprobe (which agrees w/mine) and incrementally added more...
  32. As a (probably unrelated) aside, we use only...

    As a (probably unrelated) aside, we use only MERV-8 media filters (20 x 25 x 4.5). Our old AC guy (same company before changing hands) told us anything much higher than MERV-8 is unnecessary plus...
  33. Tech did that Friday evening, went into attic...

    Tech did that Friday evening, went into attic with temp probe and inserted it (punctured) the RA line and right at the first duct closest to the coil. Yes, he put tape over the punctures...
    Problem...
  34. OK some fresh stats... It's pouring rain in...

    OK some fresh stats... It's pouring rain in Houston today so the outside temp is substantially lower than it has been, currently 75 deg. Indoor temp is 77 with a RH of 42% (per the nice Herman...
  35. You may have hit on something here... We...

    You may have hit on something here... We recently had an alarm guy in the attic adding glass-break sensors in 2 bedroom ceilings. I just wonder what the chances are he might have accidentally gotten...
  36. I was not there at the time. He told me he pumped...

    I was not there at the time. He told me he pumped the system down to place a vacuum on the line, coil, etc. supposedly as part of his leak check, and held the vacuum for 30 mins w/no loss,...
  37. Thanks. That's something else he mentioned,...

    Thanks. That's something else he mentioned, possibly slowing down the blower but I nixed that idea because of the wife's hormone issues in my original post. I understand the fan speed logic, but it's...
  38. No, and I did ask. He said the drier was fine,...

    No, and I did ask. He said the drier was fine, tho dunno how he determined that. I'm a retired commercial broadcast engr, & former industrial electrician (John Deere) so I know just enuf about A/C...
  39. LENNOX 3-ton marginal delta between return & register temps

    I have a 5-yr old 1,600 s.f. (single story) townhome in Houston, built in 07. The builder-grade LENNOX A/C is a 3-ton unit that until recently had been working fine (conventional box/A-Coil w/TXV,...
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