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Nice video Where i can download this excel

So... how does this differ from the ML series?

Solar decathlon brought me here

Very interesting

Wonderful tutorial!

Hi, may I ask why there is no need to add sensible load from people load, equipment and light load when calculating the sensible load?

U r baddass

This is the best information about why the air blows out sometimes on a series VAV box.

This doesn't look like it has a lot of light output. Doesn't really seem feasible as a lighting option.

thanks for the explanation! This helps very much! Do you have a video showing how you can tell if you have a 2 pipe or 4 pipe system?

Thankyou gues guied for welcome gues charted psy charted humidity thi..when the atmospheric air temperature increase the flow from air bodey to thesurrouding airdecreasses theheatflow furtherslowdown whentherelative .humidity ormosisstur contentof airincreasebecauseofslow ..evaportionofsweat fromthe bodeytempertature andrelarivehumiditeyof airarerhetwofactrsrelated to humancomfortincrease we feelhottemprure to same thithe dreeof discompfortedof aveegeunduvidualdue to at mosspher air ambeunt.)airtempwrureandrelative humidity ok

How do I come out with min and mx cfm numbers in vav box to specific room. Any answers would be great. At work place my Co worker keep changing the cfm without fixing the heating and colling problem. The original numbers are lost. Thanks in advance.

Is a plenum box needed for the supply side of AC or could metal Y’s be used? About 10’ from my handler is a plenium box that comes in with a big foil duct (maybe 16”) and exits the box at a right angle and exits with 3 different sized foil ducts (10”, 6” and 4”). Couldn’t i just use a Y into another Y to keep the air flow running straighter instead of a right angle and eliminate the box? I assume making right angles slows air flow. (The rooms with the 6” and 4” ducts don’t get as cool. I Was going to install in line booster fans for them too.). (Hawai’i so AC only, no heat).

Greqt presentation. Easy to understand. May I have soft copy. Thanks

Great video you explain this stuff so well!

How much more it costs compare to conventional diffuser?

These units are wild lmao

Do you have a high temperature psychrometric chart? For temperature 350F/175C, for example, or almost twice a boiling point of water. We need high temp chart for M-Cycle. Would you like to see real breakthrough psychrometric chart with elegant explanation and whiteboard animated drawings? ruclips.net/video/NzdNwKBVXT8/видео.html

So in open plenum systems is it just the AHU return fan sucking all the ambient air in the general direction of the AHU just more slowly than ducted returns?

Thank you NOW I HAVE LET THE GC KNOW HE NEEDS TO FRAME OUT THE SLOT FIRST.

perfect thank you

Question, @3:24 you say that you don't want to run both coils at the same time, but earlier the discussion was about preheat vs reheat. ...Aren't the heating coils running concurrently with cooling in both scenarios? Thank you

Atually the required air flow to create pressure differential is dependent on the air flow across the doors. Thus door size and leakage round the door is important.

Apart from my mum this lady is the best

I am grateful of the explanation of the thermal diffuser near the 9:00 it really cleared up the instructions, at least for me. Thank you

Sorry what is different between total and outdoir ACH?

Well done

please can i get this presntation?

Good explanation

Thank you great video

Thank you

My professor couldn't explain it to me within half an hour, and here is 7 minute video and i understand everything.

hepa fan filter unit

Ok

Thank you for sharing this video.

Thank you for sharing this video.

Thank you for sharing this video.

Thank you for sharing this video.

I ONLY LIKE YOUR DRAWINGS THE OTHER ONES WERE FUCKED UP

Great break down.homie

Question do you need filter in that handler because the return air has a filter

Amazing video!

Thanks very informative.

Thank you very informative.

Romans8:31 if God is for us who can be against us?

thank you, i am studying for my cih exam and this is exactly what I needed to understand these curves

Thank you so much for making it clear!!!

Where i live heat and humidity are kept outside with a large HVAC system, i only want to infuse some fresh air into it. A ERV seems overly complicated and expensive. there is a way to keep the heat outside and bring in fresh air. It has to do with where the fresh air is being drawn in. I am trying to design a system that is much simpler and still provides exactly what i want.

Post one for Return Linear diffusers with no plenum, to be hold by the drywall ceiling frame

Thank you for the explanation. You mean in Series box due to the suction pressure of the fan there won't be any loss of energy? But the induced air inlet is always open and also has least resistance too, for the air to be escaped?