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Old 06-26-2012, 01:18 PM
 
Location: South Central Texas
114,838 posts, read 66,004,892 times
Reputation: 166936

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If you want to maintain more than about 20 degrees difference in inside/outside temps you must oversize. But, when you oversize an A/C it isn't as efficient in moisture removal. If your condensing unit outside is running all the time then it's doing all it's capable of. If it's running properly and not short of freon etc.
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Old 06-26-2012, 01:57 PM
 
Location: Mid South Central TX
3,216 posts, read 8,573,126 times
Reputation: 2265
Just took this photo, showing the indoor and outdoor temperatures (outdoor is shaded, but west facing). The interior temp will rise a degree or two in the next hour or so, but will return.
Attached Thumbnails
How well does your A/C work in San Antonio heat?-thermometer.jpg  

Last edited by pobre; 06-26-2012 at 02:01 PM.. Reason: tried to rotate photo, won't let me!
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Old 06-26-2012, 07:20 PM
 
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I woke up at 6pm to see that my place was at 82 degrees. It's still at 82 degrees as of 8:20pm. Ugh. I hope they get this fixed.
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Old 06-26-2012, 07:34 PM
 
894 posts, read 1,553,078 times
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Quote:
Originally Posted by BenjaminNicholas View Post
Basically, if you have enough tonage in your condenser to power the system, you can and will cool down any space of any size.

When I moved into my current space, I was running 4 tons of AC with an old air handler (inside unit, about 25 years old). $15k later, I've got 8 tons of AC (a commercial unit), redone ducting and a brand new handler that can keep my nearly 5k square feet of space ice cold. I keep it at 73 almost all of the time and the AC handles it fine, cycling on and off as it needs to.



BN
Sounds like you definitely have the cooling capacity, but I'm curious about how efficient your setup is. Given almost 5 ksf of space and your cool setting (in a perfect world, I would be able to see my breath when I go to sleep)...what does your electric bill run n summer. I'm not judgmental if you care to share. With two residential units I peak out right at $300 in August (and maybe for this June considering the recent heat).
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Old 06-27-2012, 06:44 AM
 
Location: san antonio
332 posts, read 530,856 times
Reputation: 208
you either have a massive leak in your cooling system somewhere inside your walls, or your AC unit is on its way out.

i had the same issue in the last ragged apt complex i lived in in balcones heights. they sent 3 techs out. the last one said 'you have a leak in the wall and i have to rip out the wall to get at it'.

the complexs solution? put a giant piece of foam with a small hole in the bedroom outlet (has tons of flow) to force more air out into the living room (had no flow).

since you've called management already, call the corp. office. keep working your way up the ladder til you get it fixed.

i had a 215$ bill last month but i use window units. month before last was 135.
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Old 06-27-2012, 06:54 AM
 
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Thanks for the advice. I'm going to gripe up the ladder until it gets fixed. Since they contract out their heating and cooling work, eventually the bills are going to add up making it cheaper just to replace the unit.

I just checked the outside unit and something is leaking from there. I'll be letting management know about that too.

Last edited by L210; 06-27-2012 at 07:17 AM..
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Old 06-27-2012, 07:22 AM
 
3,669 posts, read 6,892,454 times
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Well perhaps you can simply have a reliable third-party tech go look at your unit? Be up front and tell them you only want to know what is wrong with yours since you cannot have them fully repair it. It might be worth their time just to look at it and get payed for it. Just be sure they are reliable, we patronize Victory Air Conditioning & Heating. They are in Floresville but do visit us here in San Antonio. They are also Christian if that means anything to you. Very honest and if it is a simple fix he will charge us very little instead of lying and saying it is some expensive deal. It might cost you anywhere from $40-60, but that is just a guess but if correct that is a small price to pay to know what is really wrong with it.
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Old 06-27-2012, 07:28 AM
 
7,005 posts, read 12,506,896 times
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That's a good idea. Thank you.
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Old 06-27-2012, 02:30 PM
 
Location: Western Bexar County
3,823 posts, read 14,689,786 times
Reputation: 1943
For temporary relief, I suggest you get a portable A/C that you move around and put the exhaust out a window. Target has an 8,000 BTU (Haier...made in China) on sale now for $290. I bought a 5,000 BTU Haier window unit several years ago for my daughter and it still works when they use it.

We replaced our whole A/C unit with a Trane 2 1/2 years ago and keep the temp at 80 degrees with ceiling fans running in the rooms we're occupying.

BTW: I remember working grave shifts in Okinawa back in 1974 with NO A/C...wake up sweating around noon...
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Old 06-27-2012, 04:14 PM
 
Location: I live south of San Antonio in a place called Atascosa.
854 posts, read 2,554,091 times
Reputation: 526
Ok. I dumped my cental AC for window units. I turn them all off except the bedroom one at night. It is a lot cheaper and I can do everything myself. I have a portable unit that I can move around when trouble arises. This has evolved over the years into a system that works. I just replaced the bedroom AC after 7 years . I got an 8000 Btu unit for 209.00. I could have gotten a 10,000 btu for 279.00 but I thought it might be too heavy for me to lift into the window. I had an idea but I might be forgetting something ( Math! Ugh!). I see 5000 btu units for under 100 bucks. 10000 btu's for under 200.00 and light enough for me to handle! What a concept! I gotta be forgetting something!
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