Making Duct Systems Work

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Join hosts Bryan Orr, Matt Bruner, and Adam Mufich as they are joined by expert guests Ed Janowiak from ACCA and David Richardson from NCI. In this info-packed livestream, they dive deep into practical tips, tricks, and best practices for making existing duct systems work better.
Topics covered include:
ACCA Manual D basics
The difference between seeking ductwork perfection vs incremental progress
Visual inspections to identify potential airflow issues
Key duct system measurements: static pressure, component drops, airflow
Improving airflow step-by-step without full duct redesigns
Selecting appropriate duct fittings and materials
Testing methods to validate improvements
Setting proper expectations around system capabilities
Whether you're a system designer, installation tech, or service professional, you'll take away a ton of practical knowledge from Ed, David, Bryan, Matt, and Adam in this ductwork-focused livestream. It's a must-watch for anyone looking to improve their ductwork game!
Buy your virtual tickets or learn more about the 5th Annual HVACR Training Symposium at hvacrschool.com/symposium24.
Read all the tech tips, take the quizzes, and find our handy calculators at www.hvacrschool.com/ or the HVAC School Mobile App on the Google Play Store (hvacrschool.com/play-store) or App Store (hvacrschool.com/app-store).

Опубликовано:

2 янв 2024

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Комментарии : 22

@spartan5106 6 месяцев назад

great info guys, thanks!

@pilotrserra Месяц назад

We (society) need more HVAC videos like this - comedy mixed with technical information. I enjoyed Ed’s comedic personality and stories …balanced with David and Bryan’s technical professionalism. You all are great teachers…thank you.

@johnwhite2576 6 месяцев назад

HVAC school should convene this same group to discuss same topic on NEW installs

@brockbeckstedt6483 6 месяцев назад

Duct sheet metal fittings are easily identified to being a high static loss fittings.

@brockbeckstedt6483 6 месяцев назад

Plus proper size duct then humidity water removal per hour in summertime will be felt.

@JosephHileman-jx1zi 6 месяцев назад

Should there be a certain be balance in duct pressure (60/40)?

@AJservicetechAZ 6 месяцев назад

Loved this a ton. (See what I did there)

@Portugalishere1998 6 месяцев назад

3:52, You talk about how It's all right to use multiple one inch filters in place of 1 larger filter, but that's wrong. Not only are you going to increase the MERV rating beyond the manufacturers specifications of the unit, but with the extra filters your adding, your adding extra surface area that the air has to pass through and thus creating more restriction in your duct system

@Diabloshell 6 месяцев назад

Ive always been told this as well, maybe multiple lesser merv rated filters? Not sure if it works that way. Either way ive akways been told if you need a thicker filter, just put the smaller one in for now until you can come back

@1ucapedia 6 месяцев назад

I don't see how the amount of filters changes the merv rating of the filter media. Also, the whole point of a 2", 4", or 5" filter over a 1" is to increase the surface area of the filter material, which will 1) potentially allow more airflow into the air handler, and 2) reduce the frequency of filter changes. Assuming the return ductwork is sufficient and merv ratings remain the same, how is there any difference between X total square inches of filter media on a 5" filter, or X total square inches added up between 5 separate 1" filters?

@Diabloshell 6 месяцев назад

@1ucapedia I believe if you added surface area of five 1" filters and the surface area of one 5" filter, there would be a large difference. I don't think they add up. I'm betting maybe two-three 1" filters make one 5".

@HVACS 6 месяцев назад

In parallel not in series

@Portugalishere1998 6 месяцев назад

@1ucapedia if you have a 5" filter with an 11 MERV rating, and you replace it with five 1" MERV 11 filters. You now have a merv rating or 55, which is way above what would be necessary for the unit. And Okay let's say you use four 1" MERV 2 rating and one MERV 3 rated filter your still creating more restrictions in your system by increasing the amount of surface area the air has to move across.

@johnwhite2576 6 месяцев назад

Please expand why self balancing systems don’t work? Access aside Would you use dampers at start or end of a branch

@Mrs.SusieDunn 5 месяцев назад

In my opinion I feel that it is better at the plenum

@jrgsxr33 6 месяцев назад

I found flex duct not supported properly thus effecting air flow. Simply property strapping the flex duct properly helped

@PlumberGuy-ez9wx 2 месяца назад

Ughh my attic is full of that sh** with 90s everywhere. I'm thinking of adding sheet metal 90s instead or hard piping from the trunk to the offsets not sure yet

@johnwhite2576 6 месяцев назад

Can you have too much return??

@Mrs.SusieDunn 5 месяцев назад

I was gonna ask the same thing!