heat load calculation using E20 excel sheet, compare results it with HAP software (Cooling load)
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- เผยแพร่เมื่อ 28 ก.ย. 2024
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Hello guys. My name is Syed Muhammad Waqas and welcome to my channel MEP Engineering tutorials. On this channel you will find alot of tutorials related to MEP Specifically HVAC field
In this video I am gonna explain you guys how to do heat load calculation for a particular project using E20 form/sheet. In this video I am gonna use one residential flat drawing for load calculation purpose. And in the end I am gonna compare my results with my previous tutorial that is HVAC load calculation using HAP software.
So don't forget to watch my video all the way till end because this is really useful HVAC design tutorial
If you think this video is useful then please like and don't forget to subscribe my channel. Thanks 😊😉
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INCREDIBLE WORK THUMBS UP
sir one more doubt sir..the air conditioning thumb rule is 100sq or 120SQ equal to 1.0TR , so your bedroom area is 360SQ the thumb rule is 3.5TR or 3.0TR is suitable for the room , then why you are told 0.9TR is enough? please clarification my doubt sir?
In Exposed Wall & Roof section, i think you need to substract Glass area from Wall area.. please suggest me. Your tutorial is fantastic..
Yes we need to subtract glass area if it's coming in exposed wall or roof, even if door is on external wall we need to subtract door area also
Thanks for sharing. This is really helpful.
I would like to know where i can download the latest ashrae fundamental?? or any other reference book
Best video on TH-cam ever I seen from 5 years....1000000000 stars🌟
Can you help me
I am wanting to find CFM’s for rooms once I know the Btu/h
heating and cooling loads.
I have the Manual J8AE spread sheet and the CFM outputs seem
high to me and I wanted to see other calculations.
I tried the Sensible Heat Formula of CFM = Sensible Btuh / 1.1 * Delta T
But when I input those numbers I get higher CFM needed in
areas that have lower Btuh heat loss/gain.
Here is my example
Home is in Laguna Beach California
The area labeled 1st Flr Master Bedroom has a
heat loss of 9138 Btuh and a Heat Gain of 4807 Btuh
Manual J8AE want to provide 299 cfm for heating and less air
(244 cfm) for cooling
If I do the sensible heat formula CFM = Sensible Btuh / 1.1
x ∆ T , I am using 29 ∆ T for heating and 10 ∆ T for cooling
I get 286 cfm for heating and more air (437 cfm) for cooling.
This does not make sense to me with needing more cfm with less of a Btuh load.
Can you show me where I am thrown off?
09:32 why you added only partition wall value of toilet side...there is partition b/w bedroom and store room also...where do we add that value ?
Bhut achcha banaya h video pr background music me bhut noise aa raha he.
Yeah sorry for inconvenient. I know about noise issue. I created this video 3 years ago that time I had noise issue. If you watch with little low volume then it would help you.
Fantastic ,, i need to join you
What CFM consider for door
Assalamualaikum. Thanks for the instructions regarding E 20. Very helpful. However, I have one question, what is the formula of Btu/hr for Appliance's lantent heat?
Watts x No of appliances this is the formula you have to use. Make sure to convert its power from watts to btu/hr. Where 1watt=3.415 btu/hr
@@MEPEngineeringTutorials thanks. Does the conversion rate apply for latent heat as well?
Every single load which we have calculated is in btu/hr. So it's necessary to convert it from watts to btu/hr. Because at the end when you sum up all loads unit should be same as BTU/HR
@@MEPEngineeringTutorials Thanks man. Jazakallah.
Walaikum assalam a'khi
Very helpful
Bro is recording from inside the vents
Assalamualaikum bhai, U values hame kahaa se milegi?
Did you get this E20 Sheet from Dhanush MEP Centre??
Nope
Amazing, very useful tutorial. I hope you cand share me the excel file. Thanks a lot
Your email address?
@@MEPEngineeringTutorials m.basith405@gmail.com
Download link is given in the video description
Sir can you please tell me how to calculate the heat load for monsoon as well as in winter condition.
I will make a separate video to cover this topic soon
@@MEPEngineeringTutorials thanks sir
Thank you
Very helpful thanks soo much sir Can you send me excel
Download link for excel sheet is given in the video description
hi sir nice explanaiton
could you please send me the HAP software installation file with customer number and access code as i already downloaded the hap 5.10 but it is asking above credentials while installation
Can you sent the excel sheet ?
Assalamu alaikum bhai what is U means and plz send HAP E20 sheet E20 excel software
th-cam.com/video/YrQcD7Wd-qI/w-d-xo.html
HAP
Please sir the Excel file ! 😁
Download link is given in the video description
Please kindly forward the excel file of this video for better understanding.
17kaustubhsawantdesai@gmail.com
kaustubh Sawantdesai your email address is not correct. Kindly check it and send me again.
17kaustubhsawantdesai@gmail.com
Can you guys send me this sheet to shaibazkhan973@gmail.com
CAN YOU SHARE THE CFM/PERSON SHEET WITH ME
Good Day! Can you send me the excel file too? Thank you!
Yeah sure. What's your email address?
@@MEPEngineeringTutorials It's ronscarreon5@gmail.com thank you!
@@MEPEngineeringTutorials kindly share with me the same. Thank you. My ID is stungengineering@gmail.com
Syed Br'O send the E 20 form
Bro I have doubt iam also in dubai can u give ur mail id bro
You can find mail I'd in about section of my channel
I think there is a slight mistake..You did not subtract the area of the window from the wall while calculating the value of Q for the wall at 14 min time in the video.
pls check
great video sir ....thanx
Sir ).92 tons per 100 SQFT or for 360 SQFT, we are using 3 tons for this room in UAE which works well
I had a question brother what is the difference between the supply CFM ventilation calculated based on no of people and per sq ft compared to the CFM that can be calculated from Air change per hour.
And how do you take Air changes into account for the heat load calculation.
Brother As per Ventilation Standards there are two methods to find the supply CFM ventilation 1.Based on no of people and per sq ft 2.Air changes per hour method.You better calculate on both methods and take the highest value for heat heat load calculation.Air changes per hour values can be taken from ASHREA Ventilation standards based on the type of application the space is being used
Very informative 👌👍
Can you please explain how came 0.9 ton because the area is 33m2?
For the same 360ft2, Ac companies install and provide details in drawings 2 times more than this result,,why? Plz guide
Sir what if the project is hospital and every floors have numbers of rooms,we need to get every room's heat load?
I think you forgot about the "CRACK"
very helpful video. thanks for sharing
PLEASE MAKE SURE YOUR VOICE IS CLEAR BEFORE POSTING .THERES A LOT OF UNWANTED SOUND .
Are u calculation master bedroom but i thik u are calculated only one partition wall
Could you tell me, what is E20 form? It's a Standard or another Method of Load Calculation? Thank you!
It's called E20 because we perform 20 steps for load calculation. Actually it's old method for load calculation before having HAP & elite software people were using E20 sheet to calculate load but now a days people are using E20 and Elite software for load calculation
Downloading Hap49 needs access. How???
It will be good if you share all the formulas used in the excel sheet. For example : DEHUMIDIFIED AIR QUALITY formula, in that what is 1.08?. I would appreciate if you could provide. Thank you.
Also, the HVAC Date book you are using for the inputs values is ASHRAE handbook or something else?
Outside air 31.60 how comes
HELLO SIR, I HAVE DOUBT IN THIS...PLEASE CLARIFY ME...HOW TO CALCULATE THE BUILDING WEIGHT? AND ALSO HOW TO CHOSSE WEATHER TIMING?... CAN U EXPLAIN THIS SIR..?
both building weight and weather timing are taken from ASHRAE standard so don't get confused just take the value as per standard.
@@suhailkhan4798 yea ..sir I got this and thank you for your response...!!!
@@suhailkhan4798 onemore doubt i have sir, ADP value is same for all the rooms or it will change for every room ?
ADP will be same if you have same ESHF for all rooms, which is the ratio of ERSH/ERTH. Because ADP depends on 3 factors selected indoor design temperature, relative humidity and ESHF, normally we keep indoor summer design temperature constant for spaces i-e 75 deg F and relative humidity between 50 to 60%
nice video
this u value of wall glass roof ceiling is same or just varry??? i will use another area then u will be changed right?? if change then how to get the resistance because u= 1/R so how to get the R value please let me know how to calculate R value
Super 💯
Really great explanation. But is there an SI unit version of the excel file?
Sorry IP unit is available only
Can anyone explain what is the full form of E20 ??????
We perform 20 steps using excel sheet to calculate heating and cooling load of particular space. That's why it's called E20
Heat gain through glass i.e., through windows in ur case must be taken under "Room sensible heat" but you have calculated again in "Transmission gain - All glass"... I think it not necessary to do again in "All glass" section. If i am wrong please tell me the reason for it
Brother how may I get this e20 sheet
Download link is given in the video description
I am surprised to see the equal results in E20 and Hap both ! E20 sums peak of all the loads while Hap considers Hourly analysis of the load therefore HAP is always on the lower side and ranges from 10-20%.
I will run your calculation to the Hap and will explore the results.
Assalamu alaikum
Brother I'm in dubai
I was searching ashrae 62.1 table for dubai outside condition
I can't find out
Could you send a file
Or link anything
Thank you
Thank you
Thank you for the video; would you please send me the excel spreadsheet?
Yeah sure. Your email address?
Download Link is given in the video description.
Sir, if I want to learn HVAC from basic to advanced, in Revit MEP, then series of videos given by you are sufficient?
Excellent
For lighting...u r calculating lighting required for room & NOT heat gained from lights....
Reply plz
nice
Good
For God’ sake either speak louder or fix your fan noise. Your videos are valuable but it is hard ti hear you with a loud background noise. Thanks man for considering.
I apologise for inconvenience. Actually I made this video 3 years ago that time I had some noise issues but in recent videos you will not find any noise problem.
@@MEPEngineeringTutorials thanks alot. Btw, ever considered making videos for MEP construction management and contractual documents tutorials. I think it is a good idea.
Sir In ERSHL part in infiltration and bypassed air
outside air formulae BFX1.08 is not written
Out side air heat were calculated in the part of sensible and latent heat calculation, thn why outside air heat again calculate in the bottom of sheet ?????
Bhai ye sound ke isse disturbing hora h please remove sound or make try to clear sound for the good understanding or make some details information to get more information
Plzz send Excel Spreadsheet.
Email address??
How we consider temperature difference in table of ishare that is weight
10,20,40,60,80 LB/sq.ft
Forabove value is for which thickness wall . Please explain.
Sir,
Main apki channel Ka fan hu. Kiya mujhe Aapka E20 Excel sheet mil Sakta Hain. Mera email id Hain, myprofessonal@gmail.com
Sir Can you give me training .....
Sure. I will contact you soon on WhatsApp
Great video. Plzz send Excel Spreadsheet.
Kindly tell me your email address so that I can forward spreadsheet to you....
@@MEPEngineeringTutorials please share it to me also. Along with table having correct factor.
pranavtcr@gmail.com
Thank you and much appreciated
Done
Haii can you share excell sheet
Download link is given in the video description.
Plz tell u value for door in dubai.
Usually it's 0.5 but you need to check the architectural drawings for further details and from there you will get the exact U value of the doors used in your project
Can somebody tell me why the dt value for glass (19:40) was taken from a sheet of solar heat gain table whose unit is btu/hr(squash area).
Actually dt is supposed to be in Fahrenheit......
Please explain
Sir please share excel sheet
Kindly join channel membership to get access to spreadsheet
How we the height is 12.50
From the architectural ceiling plan or from elevation plan you can check the ceiling height
what is the full form for TMBH,TKW,TSMBH,TSKW
Bro how you did the delta t value for the wall it is not clear can you say it
WHAT WOULD BE CFM/PERSON IN LIBRARY HALL OR COLLEGE
In calculating the Store and Master Bath, Do I need to consider 2 Partition in each Store Room and Master Bath?.. Can you make video completing all. Thanks
Can send us a link
It's given bin the video description
Asslamualiekum.
Dear sir
What is the name of chart book and where is meet me
HELLO SIR, How can i find out the Roof,wall,glass and floor 'U' values .can u explain me please sir....am looking for u r reply...
Please check overall heat transfer U value calculation video on my channel
Nice video sir,can you send me Excel sheet
Download link is given in the video description
@@MEPEngineeringTutorials thanks
Tmne q window se transmission gain nikala hai jb usse hm solar gain nikalenge wo to sun se contact me hai na
Usme tmhe 0 sb value rakhni thi
Room me under ki traf hai hi nhi window
Ar jb north ar West ki wall Ka solar gain Nikal rhe ho to window ki area ko usme se minus krenge wo bhi tmne nhi Kiya q ?
My friend your basic concepts are really weak. You should learn basic concepts regarding HVAC then you will come to know the answer.
@@MEPEngineeringTutorials really I thing u should go and learn once again how to calculate heat load in HVAC
Kya hua stupid smjh Aaya ki nhi
Awesome explanation sir
thank you for your video and links.
Sir isn't the wall on store side of Master Bedroom considered as partition wall...?
Please reply I have a confusion .
It's depends on clients requirement, if client wants store to be conditioned space then this wall will not be considered as partition wall but if client wants store to be non conditioned space then you will consider this a partition wall
Very helpful videos you are uploading. Keep it up. Kindly send me the excel sheet of this tutorial if possible. Thanks
Nice and very helpful video. Can you please kindly send me the excel sheet?
In that latent heat part for the outside air heat calculation ,u r multiplying by value of 0.68 , what's that one ???
This is constant factor
Bhai plz send karo
Email address?
Sir which book is this?
Where to find these values...
sir, y u cannot considered air changes per hour(ACPH) ?
Thanks brother very useful for me
please make more videos regarding heat laod, designing and draughting.
Hi sir,
How to know infiltration for a restaurant, can u help me sir, and one more thing sir kindly send me the excel format for E20 plz its a humble request sir
You can check ashrae standard for infiltration requirements of different facilities. What's your email address?
Thank you bhaijan for sending me the Files
Thankyou great information
Sir can you share more details for the practice drawing like thickness and and material type ?
Thank you sir