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Old 07-05-2012, 11:21 PM   #16
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Novice - AC cools only half house


Ok that was a great website - NAIMA. The amount of information is generous and most of it can be understood by a non-professional. Thank you for the suggestion. I like info that enables me to better understand my situation.
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Old 07-05-2012, 11:25 PM   #17
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Of course. I enjoy reading the solutions that have helped people. I went in the attic tonight, 9 pm (it was still too hot to stay longer than 12 minutes) and took some pictures. Now that I am looking really closely I think it's worse than I thought it was. There is a lot of duct work laying on the attic floor. The straps used to hold them up don't look right to me, although they could be. The duct that goes into a big silver box (not sure about that) I know it's not the main box, barely looks secured. The insulation is all over the place, not on the floor neatly tucked between the wood like it should be. Sorry for not knowing the correct terms. I know to stay on the wood and not on the insulation.

Gail
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Old 07-06-2012, 12:38 AM   #18
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I saw where registered members can private message each other but when I clicked on your user name the option to send a private message did not open up.

Here is a throw away email. Once we exchange info I will close it.

Ru2Marines@ymail.com

Gail
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Old 07-06-2012, 09:15 AM   #19
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I couldnt get that email address to work, please send me an email here....



hvachelperinphx@gmail.com

looking forward to helping!!!

bobinphx
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Old 07-06-2012, 03:13 PM   #20
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Quote:
Originally Posted by bobinphx View Post
I couldnt get that email address to work, please send me an email here....



hvachelperinphx@gmail.com

looking forward to helping!!!

bobinphx
I just realized the email is not working. I had it registered with yahoo but i had to redo it . It should be fine now. I must apologize. Don had a really bad night last night and we were up really late. So of course today has been several unintended naps on the sofa. I never know when he might overreact to his meds. Let me know about this weekend. Did you see my post? I went in the attic last night and I think it's worse than I already thought. It appears that more ductwork is laying on the floor. Plus I am not sure what kind of straps they used to secure it. It looks really screwed up.

Try sending another email. I have it open. Gail
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Old 07-07-2012, 07:37 PM   #21
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report from the attic of beads4me.....

The house has a 5 ton roof mounted package unit. Each room has 10 by 10 four way registers, double registers in some rooms. Very little air flow and almost no throw from any of the registers. anometer registered 0 cfm 2 to 3 feet away from the supply registers. Return system is a 20 by 30 and a 12 by 20 in an attached converted garage all run with 14 inch flex duct. No sealing was done on the register pans and there were already dust trails inside, past the filter. There is also a detached laundry room in the garage, with a supply line duct, but no return, so home is under negative pressure every time the hvac system runs.

a look at the duct work found the standard Phoenix flex duct hack installation. The package unit feeds the house with about a foot of 18 inch flex into a 24 by 24 plenum. From the plenum, four 14 inch flex ducts leave, each of the ducts then splits and splits again and in a couple of places, splits again, down to 6 inch flex for the bathroom and laundry. The house is very long and the attic very short in height. The flex duct liner was not screwed to the takeoffs, in fact, the liner was not even zip-tied to the takeoffs and sheet metal wye's. Ul181 flex tape is the only thing holding the liner to the sheet metal. The insulation was also not zip-tied, it was only taped. Note that the tape was not "rubbed on" the installers appeared to use the tape to compress the liner and let friction hold it all together, as a couple of the joints I looked at had no tape covering the edge of the liner and connecting to the sheet metal. In other words, the connections were floating. None of the Flex ducts were pulled tight, none were properly strapped. In addition, where the registers were installed all insulation surrounding them was removed between 1 and 2 feet away. In my opinion, too much flex duct was used, there was no real design for the ductwork and the installation was really really bad.

Also, a good dozen or more pot lights had been installed and they had the insulation moved away from them. There was one, where I could look down and see the kitchen floor below!!! Electical work was also shoddy as I could not find a single junction box with a single romex clamp installed.

The good part is that the homeowners are a really nice couple and they are taking steps with the registrar of contractors to have the problems reviewed and the responsible parties made to correct the issues. Additionally, all of the issues can be fixed, with a good hvac person, some time and some money.

and for those of you who are wondering... My pepsi was there waiting for me and when I finished it was a really sweet payment!!!!

The homeowner will be posting some pics soon...

Last edited by bobinphx; 07-07-2012 at 07:40 PM.
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Old 07-07-2012, 10:46 PM   #22
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Really, a cold Pepsi is totally inadequate. Bob was very generous with his time and his expertise.

I posted pictures in an album, which is public, but I am not sure if I set it up right so that folks can look at the photos.

I am composing my rough draft ROC complaint for the AC contractor who installed our system. I feel much more confident that at the hearing I can hold the contractor accountable. Accountable for his lack of effort and his lack of concern for the terrible job he did. I guess he would understand better if his parents were mistreated by a contractor the way he mistreated our home.

Itís really sad that a licensed contractor can perform substandard, inept work and believe he did the job right.

Gail
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Old 07-07-2012, 10:55 PM   #23
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Bob, Good job, Excellent report.
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Old 07-08-2012, 01:40 AM   #24
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I found the FAQ and it states that a public album can be viewed by anyone. Pictures are up.

Gail
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Old 07-25-2012, 12:55 AM   #25
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Just wanted to say hello and that I haven't forgotten this forum. My husband's health has gotten a bit busy for me so the AC issue is on hold for a few weeks probably. I will post back after complaint is filed and we are near a resolution,.Thanks to everyone who posted advice. Gail
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Old 07-25-2012, 08:46 AM   #26
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Could be your air delivery system, i.e., supply and return ducts are simply out of balance. If you block off 2/3 of each supply grill on the cold areas this should force mre cooling to the hot side. I say 66% because if you only close 50% you are not lowering supply by 50%...maybe only 25 -30%.

It's easy to try and costs next to nothing. If the warm areas then cool sufficiently but, some of the cold areas then get too warm then readjust the openings until you get it right. OR you could find an "air balancing" or AC contractor who knows how to measure and adjust air flows to "balance" the system. 5 TONS DOES sound like the AC is plenty big enough.

As previously said the air balancer would also check your supply and return air sizes to verify if they are sized correctly. They will also provide a report giving measurements before and after any and all adjustments, Make sure they are certified in air balancing and you can use the report in court. I am in centralCanada (Toronto area) so, don't know which certifications are valid where you are. Perhaps someone in your area can post this information. Best of Luck...Techpappy
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Old 07-25-2012, 09:37 AM   #27
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having been to Beads4me's house and having taken a look at the ducts, I can say without any doubt that the design and installation of the flex duct was done without any plan and without any adhearance to the mfgrs installation instructions or without any understanding of ashra guidelines.

Additionally, there are plumbing issues and electrical issues in the home.

Bottom line is that Beads4me is doing the right thing. She is getting the registar of contractors involved. In this state, thats a big deal. The registrar will sort it out and give finanacial help to get the issues fixed.

I really cant wait to hear the outcome of the hearing and I cant wait to see the reworked ducts and the comfort they will bring. I also cant wait to see a smile on beads4me's face!!!!

As to her husbands health, that comes first and foremost and I applaude the hard work she is doing on that front for her husband. In this day and age, may couples split up when illness strikes. Not her!!!!!!!!!!!!!
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Old 07-25-2012, 10:05 AM   #28
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Sounds good bobinphx. Thanks from all of us that you volunteered your services. AND our heartfelt wishes that Beads4 me's husband gets well soon. Also glad to hear the registrar of contractors will address the problems. Cudos to beads4me in her perseverence under such trying times. All the best. Techpappy
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