Repairing HVAC Ductwork In ATTIC
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- Опубликовано: 12 янв 2020
- As the project comes to an end, there are just a few more tasks left. Today I will finish the installation of the flexible supply ductwork serving the master bathroom, return duct and filter grille for the master bedroom, and securing mini split refrigerant lines. In this video I demonstrate my workflow on duct installation/repairs. Being a HVAC company of one, these tasks can be time consuming. Having the right process is very important in order to get the job done right and efficiently. Hope you enjoy the video!
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Instagram: @qualitycomfort.hvac 
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I used to do this work years ago. Don't miss it at all. Much respect to hvac installers
Pookie covers everything. Remember do your best, pookie the rest!
I,m gonna have that on a t-shirt !
You guys both suck
Definitely the cleanest most professional work I’ve seen here on RUclips. Great job man.
Everything he did was professional that's what I'm talking about have pride in what u do to the start to the finsh
Such clean work on installing a new duct line off the trunk. I like how well you seal it as well! Great job! 💪🏼
Thank you Tricia! You seem to have a good eye for greatness.
Always a pleasure to see your work. Keep doing the quality work that you always do
Always amazed at the range and variety of tools Americans have at their disposal.
Where are you from if I may ask? And what tools do you guys got are they old school tools compared to the new innovative tools that just keep coming one after another every year?
Thanks for taking that extra time for does awesome films. we appreciate that!!
Been looking for a reference video on how to cut the hole for a saddle take off. Thank you!
I love that little shockwave hole saw bit. It’s one of those tools that if I lose it - I immediately go buy another.
It’s satisfying to watch you work man 👍
To skip the stop leaks in work truck 's roof comments go to to time: 2:41 Great HVAC info, Thanks!
I would expect your channel to rapidly grow man, you are very informative and are a natural at talking to the camera. I'm hoping to get into HVAC and your videos are great info for me, it looks very challenging!
It is nice to see Techs do duct the right way. Great video bro.
Nice work I wish the attic’s were that big in so cal
Especially old houses
Very satisfying to watch and learned a few new little tricks very good video
Bro you’re so graceful with it lol! 🙌🏾
Haha. 😁
Nice work on the duct repair quality work my friend
I noticed how well your gloves stayed clean as well. I would have it every where.
just started watching yiur channel today impressive bro keep it up I am a chill water technician from st Lucia Caribbean
i wish my attic had that headspace, makes this a lot easier.
Great video.and work,
You the man!
Yummy!! Nice Ace Ventura shout out.
They make duct straps (duct zip ties ) for the flex around the taps . Tape doesn’t do well in places it gets hot and then cold . It will come off eventually.
My company makes us put duct sealer on the inside of the flex AND put duct zip ties on the outside layer .. jealous that this guy only has to put tape haha
yea thats what we do in new mexico is panduits. my boss never wants us to use tape on the boots
That tape he used will fall off , that flat tap was probably cool but if a line is longer and had weight pulling against the tap it won’t last.
we always use zip ties no matter what sometimes put zip screws through the ziptie some inspectors will fail you if they see it because they say it weakens the integrity of the ziptie. if you test out the tape you can pretty much hang on a flex duct with just the plastic shuretape and the mylar will rip before the tape gives way. when it comes down to it there are so many ways to do it. it doesnt make what he did wrong but just another way installers do things. thumbs up on the duct sealer less air leaks mean more CFM throughout the home/business.
In Central Florida we and up north in Baltimore we tape the inner flex to the boot like he did but we panduit (large zip tie) it as well then we panduit the outter insulated jacket and tape the edges of that as well. We use spray glue when needed and always use a squeegee on our tape. It makes a big difference. But this was a really good job he supported everything with the black cloth strap so there’s no stress on the connection, and duct sealing the outside makes it stronger as well. Mastic, Pookie any other names? lol
Another awesome video you’re videos are motivation 👏🏽👏🏽👏🏽👏🏽🤘🏽🤘🏽🤘🏽✌🏽
Dude, you know what you are doing!
Great video
I respect that you work by yourself but utilise protective gear and take your time with your workmanship. Great job bro I'm by myself too and respect that you're not taking short cuts👍
Great job and video like always
I like that the attic you work are very big and you can do all that. there are houses where they only measure between 2 and 3 feet and there are already ducts and you have to jump to fix 😕
Rhino bed liner works great and looks good
nice job i wish my attics were that big
Back to the days we could go in customers houses without masks! Good video brother
Been enjoying your videos
Awesome! I’m glad you are liking them, thx for the feedback.
Exelente video...
Best channel
Good work brotha as always
Thx brother!
Great channel!
Great video. Is it ok to use cold weather foil tape 181A/B to seal around the register where it meets the sheet rock like you’ve shown here? I’m not sure if what you used is considered similar to the foil tape I have that I use with with mastic.
Well done !!!! Cheers
Thank you!
I like the Content. Good Channel
Greets from Germany 💪
You may have a video on this, but i would love to know how you got started. Did you begin by attending a school? did you start with a owner operator? Are you in a union and if so what was your apprenticeship like? How many years have you been doing this and are you an owner operator? Sorry to ask so many questions, I just know discovered this channel and like your videos. I am going into HVAC and I find these videos very helpful.
Good job!!
Question sir, what is the name of the expanding foam you used at the end of the insulation sleeve? Would if be ok to use aluminum foil tape instead? I live In california if that matters. Your response would be highly appreciated. I like your work. Very clean and effective.
Nice stuff man, i’m 17, i go to a tech highschool and have been studying hvac for 3 years now, can’t wait to jump into the trade. But i’m wondering, is there enough cfm still so that you have a nice constant velocity between all supplies? I see you added more supplies, is the unit and fan big enough for those additions?
Do they duct blast where your at? All the mastic. Love the more film like tape for any flex work and ide still throw the straps over the tape. Maybe even on 2nd layer still, even with the spray foam altho that kinda blew my mind and hasta be considered over the top amazing?
Very nice video my man. Question tho... is it code to use spray adhesive foam on the ducts? I just thought it was code to use like a 36 in zip tie
are there any lines going to the air handler that should be insulated, like the line that goes from the heat pump into the side of the house?
sliding the duct over the vent/register, then wrapping with foil tape, would it be ok to use a layer of mastic also on the vent, and then slide the duct over it?
Nice &good
How do you like those malco snips ? In your opinion what are the best snips ?
Do you ever use fiber lock for the fiberglass inside the duct just in case the fiberglass won’t go airborne?
Serious question, why do some collars have dampers and some do not? What are the benefits to having a damper on collar? Keep up the videos I’m lovin them
Where I live it's all duct board , it's way easier then metal , but you do clean work
Thank you! Yea I don’t see duct board much anymore in my area.
Yep down here in FL it’s pretty much all ductboard.. I don’t really care for it, but I don’t have much choice. It’s the standard here ,and what I learned in trade school here. You cant even get metal at the suppliers here unless you special order. Then it’s ridiculously expensive. I kinda wish I would have learned the trade up north. I think their standards are better than here.
Here in Pennsylvania we use duct board in residential and we use Sheetmetal in commercial jobs.
Where can I go to learn more about ductwork installation? It was never really talked about at my school
Did those white mini split linesets corrode and form leaks in the copper?
Your collars are different than the ones down here in Houston, nice video btw!! Keep up the clean work!
Thx! Oh yea? How so?
Different than what we use here in KY. All of our collars have the metal tabs that you reach arm into and fold them inside duct to hold collar in place. Then tape them and can screw them in place as also. Like hole drilling. I always use a flathead and hammer to knock a slit in metal to get snips into.
JustinP HVAC same here in Houston
What kind of tape do you use there?
I need to tape some tear in my ducts in attic.
Very nice vid. Thx
I have high static pressure on a new 3.5 ton heat pump. I know for sure the flex duct is the issue. I have two 12" coming out of the supply in opposite directions. I know I need an 18" for a 3.5 ton heat pump. I did a diagram layout of the duct in the attic. What would happen if I just replace the two 12" to 18"?
Ignoring the downstairs, because everything is between the walls. The problem was even worse with an undersized return. The original and only return was a 24x18. The total static pressure on the unit was .9 W.C. I was able to drop the TESP to .66 by making the return 30x24. Since there is so much static pressure and the unit TESP is a .2 and I need an 18" for a 3.5 ton for 1400 CFM. How big does the supply plenum should be and what shape? Should the supply plenum split to 3 18" going out to each of the 3 distribution boxes? Do the other three distribution boxes also need to be larger?
Looking at the triangle shaped supply plenum I have very little room up for a rectangle plenum. I think a 3 feet ductboard supply plenum should work. There is a foot from the Air handler to the ceiling and I think 2 feet from the attic floor to the roof. Now I am looking at two types of designs. Design #1 keeps the 18" ducts straight by having a single 18" coming out of the supply and then a distribution box splitting it to three 18". The sides would be coming out straight to the to side boxes and one going to the third box with a slight curve. Design #2 splits to three right at the supply plenum and goes to each box individually, but all three will have a slight curve. I will not be using any metal plenums..... it will be all flex duct and ductboard boxes, because of budget. I am not trying to make a perfect system, but trying to remove the restriction from the 12" undersized ducts installed and replacing the flex duct that was patched with mastic with new ones.
Another question about the installation..... I have the flex duct running up and strapped to the roof for support. Since the supply plenum is low to the floor due to the roof..... Can the flex duct be run on the attic floor? Can you tell me which layout makes more sense and less restrictive? Thank you.
Layouts:
Current
i.ibb.co/Ld9kmPM/Flex-Duct-Layout-and-Size.jpg
Option #1
i.ibb.co/GHyS00g/2022-07-05-0002.jpg
Option #2
i.ibb.co/PNN8mSB/2022-07-05-0001.jpg
Air Handler Specs
ibb.co/17VvF4B
Video of attic
ruclips.net/video/iInIN89q8GU/видео.html
Late on this video. Noticed that there’s many ways people hook up ducts around the states Out here in Cali we use sticky backs which is the collar he had..so much better than the one with tabs..we put the liner over the collar, panduit strap(zip tie), mastic tape around panduit, flex tape it, then barrier over liner, zip tie again, flex tape one more time. Then air seal. Shits almost permanent💪🏽
Is it safe to put mastic in the interior fiberglass lining of that box?
Great work, now let's see that with a truss built roof with 4 foot max clearance.
What kind of screws are you using to secure the web duct strapping?
do you like the m12 tool or the m18 tools more? i think i saw you have m12 impact and m18 impact in other videos
Que produto é esse que vc está usando para fazer a vedação das frestas¿
love your work wish you lived in mount airy nc i would hire you in a secert your fan edgar
Where is the volume control ? And how do you balance your systems? Also Duct in the USA seems very thin.
What is that white stuff your putting around the ducts entry way?
I don’t know what type of mastic are you used to seal the leaks on your truck camper cause the mastic we use for ductwork is water base meaning that it is not water resistant so I don’t think that quick fix will hold up overtime
What is that white seal paste you were using?
I use 557 tape when connecting flex to the start collar then wire tie it with a wire tie gun then wire tie the flex after that
Great video can you do a video on what products you prefer tape mastic etc. 👍👍👍👍
Thank you! I sure can!
Are the units to close together? Or is that okay? New tech here.
Mastic on the atdrp won’t dry usually if you Insulate it right away
What kind of colar is that ? I rarely touch duct go easy on me lol
good jab mi frend
No zip ties on the flex duct?
Did you work In the hvac field for a different company before starting yours?
wao how well you work, I would like to work with you to have more knowledge I am an air conditioning technician
What brand of foil tape do you use brotha?
so did it leak next rain or?
Down here in Miami we don't have those attic only 3ft or 4.
No panduit straps in your flex ?
I just recently moved to a commercial/ industrial company and man do I not miss running flex in attics lol
Yall do it differently than us in FL. I have never seen someone screw the flex down with screws
I've almost never been able to STAND in an attic down here in FL either. Lol. That must be nice!
@@bmunson76 seriously😂 they dont call it a crawl space for no reason😑😑
Man I wish I could wear a long sleeve shirt in an attic. It reaches a cool 115-120 up in the attics here in NY
Should I always wear a mask when running flex?
What kind of tape is that for the flex? Never seen that here, just panduit straps.
That liquid line got smashed pretty good, I’m sure the owners were thrilled.
It’s called FlexFix. I used panduit straps years ago, but that’s no longer the standard in my area. The FlexFix is UV rated and it’s what codes looks for. I still use panduit straps here and there.
Quality Comfort HVAC I was wondering if it had something to do with code. Always interesting how the standard can be so different throughout the country!
Where are you located?
Quality Comfort HVAC Seattle. You?
Nashville, TN 🤩
We call mastick pookie here in Ocala Florida
Do you mostly work alone as an HVAC tech?
I have good Experience for duct cleaning. how I can work with you .
Just curious why no use of duct strap (panduits)
I used to use panduit straps years ago, the standard in my area is FlexFix tape now. It’s the code UV rated standard.
How much does it coast to repair and air conditioning duck
You don't use 36 inch zip ties on your duct connections?
Why the mastic on the roof is a bad idea is because mastic is water based which means when the new rain storms come through it will wash all that stuff off.
being in the hvac industry for 15 years in Australia, not going to lie... but everything wether its hvac, ac refrigeration, electrical whatever it always looks so much harder in the usa, like use are legit 10 years behind lol
Installing ductwork is easier in Australia then in the US?
@@02au17 yes it is
@iTzJmOn is yalls code less strict over there or is there a different technique?
@@02au17 not sure if where I am is just easier because of climate maybe less worries with insulation problems. Really it’s just easier because the type of systems we use here split ducteds and package units
Man you really make a mess with that mastic lmao
Do you have a helper you use for big job or do you prefer to work alone...?
I typically prefer to work alone, but if the job is too big then I will bring in some help.
That was my first thought that popped into my mind when you said your truck was leaking = HVACK guy Break out the mastic
Did you go to school for HVAC? Been doing installs as a helper for about a year but thinking about going to school for it then service?
I didn’t go to a tech school. I started out as a residential installer helper and worked my way from there. I finished as a commercial control tech for Johnson Controls before starting my own company.
If you are wanting to learn service, tell your supervisor. Let them know your intentions. Tech school is an option, picking up your own books and hanging with the old timers is another. It just depends on what you want to do.
@@QualityHVACR yea they don't want to pay me to ride with a tech so a 1 year school is the option did you find any books that you read that helped you in the field or was it all hands on training?