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Air Conditioning Heat Load Estimate for Cities in India.

(Developed by Rajeev Kakkar)


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Step 1:  Click the two buttons for the city:  
CITY:

Click both buttons

OUTSIDE CONDITIONS: 
Outside   Relative
Temp.     Humidity

Ahmedabad 110 DegF(43.3 DegC), 24%
Bangalore 96 DegF(35.6 DegC), 45%
Calcutta 100 DegF(37.8 DegC), 49%
Chennai 103 DegF(39.4 DegC), 41%
Goa 100 DegF(37.8 DegC), 70%
Hyderabad 106 DegF(41.1 DegC), 28%
Mumbai 95 DegF(35.0 DegC), 60%
New Delhi 110 DegF(43.3 DegC), 20%
Nagpur 112 DegF(44.4 DegC), 18%
Pune 104 DegF(40.0 DegC), 28%
Step 2:  Enter the Data::

Room Length                         
ft Help?
Room Width                           
ft Help?
Room False Ceiling Height    
ft Help?
Room Floor-to-Ceiling height 
ft Help?

Fixed Inside Design Conditions

Inside Room Design Temperature: 75 Deg F

Inside Room Design Relative Humidity: 55%

West / NorthWest/ SouthWest

Windows         nos Help?
Window width    ft 
Help?
Window height   ft 
Help?
Wall length     ft 
Help?

East / NorthEast

Windows         nos Help?
Window width    ft 
Help?
Window height   ft  
Help?
Wall length     ft 
Help?

North / Shaded

Windows         nos  Help?
Window width    ft  
Help?
Window height   ft  
Help?
Wall length     ft  
Help?

South / SouthEast

Windows         nos Help?
Window width    ft 
Help?
Window height   ft  
Help?
Wall length     ft 
Help?

Partition wall area  sft Help?
Partition glass area sft
Help?
Floor, non-ac        sft
Help?
Ceiling, non-ac      sft
Help?
Roof exposed to sun  sft
Help?
Roof shaded from sun sft
Help?
Skylight             sft
Help?

Lighting        watts/sftHelp?
Occupancy        nos
           Help?
PCs             nos 
          Help?
Servers         nos      
Help?
UPS              KVA      
Help?
Step 3:  Click Solve for result::
(or click reset to re-start from step 1)
RESULTS:
Percentage-wise Airconditioning Load distribution:
Direct Solar Heat, glass        %
Transmitted Heat, walls & glass %

Transmitted heat, from 
partitions floor, ceiling
and roof              
          %
Heat from lights                %
Heat from computer equipment    %
Heat from fresh air             %
Heat from occupants             %

              


Here are the results!

RESULTS: British Units:

RESULTS: Metric Units:
Room area sft Help? Room area    sqm  Help?
Tons of AC Tr Help? Kw of AC Kw Help?
Air Quantity cfm Help? Air Quantity lps Help?
Fresh Air cfm Help? Fresh Air  lps Help?
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Updated on 5th December 2001

 

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