HVAC LOAD CALCULATION - E20 FORM SHEET
PROJECT CREDLE
LOCATION MALAD-MUMBAI
CLIENT AHLL
CONSULTANT
Area or Sun Gain or
Item
Quantity Temp. Diff.
ROOM HEAT Q= U
ROOM SENSIBLE HEAT
Solar Gain - Glass Area ΔT
Glass - N SqFt x 23.00
Glass - NE SqFt x 12.00
Glass - E SqFt x 12.00
Glass - SE SqFt x 12.00
Glass - S SqFt x 12.00
Glass - SW SqFt x 85.00
Glass - W SqFt x 163.00
Glass - NW SqFt x 138.00
Skylight SqFt x 118.00
Solar & Transmission Gain - Walls & Roof
Wall - N SqFt x 14.00 F
Wall - NE SqFt x 18.00 F
Wall - E SqFt x 22.00 F
Wall - SE SqFt x 25.00 F
Wall - S 146.00 SqFt x 28.00 F
Wall - SW SqFt x 30.00 F
Wall - W 150.00 SqFt x 27.00 F
Wall - NW SqFt x 16.00 F
Roof 331.00 SqFt x 32.00 F
Transmission Gain - Except Walls & Roof
All Glass SqFt x 31.00 F
Partition 146.00 SqFt x 26.00 F
Ceiling SqFt x 26.00 F
Floor 331.00 SqFt x 26.00 F
INFILTRATION AND BY PASSED AIR
Infiltration CFM x 31.00 T.Diff
Outside Air 55.12 CFM x 31.00
Internal Heat
People 2.00 Nos. x 245.00 Btu/Hour Per Person
Lighting 331.00 SqFt x 1.00 W/SqFt
Equipments 1.00 30,000.00 Watts
Power kW/Hp x
Sub Total
Factor
Effective Room Sensible Heat
ROOM LATENT HEAT
Infiltration 0.00 CFM x 105.00 Gr/Lb
Outside Air 55.12 CFM x 105.00 Gr/Lb
People 2.00 Nos. x 205.00 Btu/Hour Per Person
Sub Total
Factor
Effective Room Latent Heat
EFFECTIVE ROOM TOTAL HEAT
OUTSIDE AIR HEAT
Sensible 55.12 CFM x 31.00 F(TD)
Latent 55.12 CFM x 105.00 Gr/Lb
OUTSIDE AIR TOTAL HEAT
GRAND SUB-TOTAL HEAT
Factor
GRAND TOTAL HEAT
TONS=GRAND TOTAL HEAT/12000
0 FORM SHEET INPUT VALUES ARE TO BE GIVEN IN BLUE COLO
CREDLE FLOOR GR
ALAD-MUMBAI SPACE REFERENCE
AHLL AREA ( SqFt) (WxH)
Falce Ceiling Height (Ft)
Volume (CuFt)
or Estimate for
Factor
Btu/Hour Watts
(U) Design Conditions DB (°F)
Temp. Diff.
Q= U*A*ΔT Ambient(Out Side) 95.00
Room (InDoor) 64.00
U Difference Δ 31.00
x 0.56 0.00
x 0.56 0.00
x 0.56 0.00 By Pass Factor (BF)
x 0.56 0.00 Contact Factor (CF = 1 - BF)
x 0.56 0.00 CFM Ventilation
x 0.56 0.00 CFM Per Person 7.70
x 0.56 0.00 CFM Per SqFt 0.12
x 0.56 0.00 Air Change Per Hour (CFM)
x 0.56 0.00 CFM Cu.ft 2,648.00
CFM Infiltration
x 0.36 0.00 Swinging
x 0.36 0.00 Revolving Doors (People)
x 0.36 0.00 Open Doors
x 0.36 0.00 Crack (feet)
x 0.36 1,471.68
x 0.36 0.00 Supply CFM from Machine
x 0.36 1,458.00 Effective Room Sensible Heat Factor =
x 0.36 0.00 Effective Room Sensible Heat/Eff Room Total Heat
x 0.05 476.64 Apparatus Dew Point (ADP)
Indicated ADP (°F)
x 0.56 0.00 Selected ADP (°F)
x 0.50 1,898.00 Dehumidified Rise
x 0.05 0.00 (Room DB - ADP) x CF
x 0.27 2,323.62 DEHUMIDIFIED AIR QUANTITY
Effective Room Sensible Heat
x 1.08 0.00 Dehumidified Rise x 1.08
x 221.45
Btu/Hour Per Person 490.00 TOTAL HEAT CAPACITY
x 3.41 1,128.71 Grand Total Heat
x 3.41 102,300.00
0.00
111,768.10
5-15% 16,765.22
128,533.32 1.00 SENSIBLE HEAT CAPACITY
Grand Sensible Heat
x 0.68 0.00 12,000.00
x BFx0.68 472.27
Btu/Hour Per Person 410.00
882.27
2.5 - 5% 44.11
926.38 2.00
129,459.70
x CF x 1.08 1,623.97 3.00
x CF x 0.68 3,463.30 4.00
5,087.27 Notes:
134,546.96
1 - 3% 4,036.41
138,583.37
TMBH 138.58
TKW 40.19
TSMBH 130,157.28
TSKW 37,745.61
11.55
GIVEN IN BLUE COLOR BOXES ONLY
GROUND FLOOR
CT SCAN
331.00
8.00
2,648.00
Summer
DB (°F) WB (°F) RH (%) HR (Gr/Lb)
95.00 83.00 60.00 153.00
64.00 55.00 48.00
31.00 83.00 5.00 105.00
= 0.12
= 0.88
FM Ventilation
No = 2.00 = 15.40
Sqft x 331.00 = 39.72 WALL TEMP WRT MEDIUM WAIGHT
= 4.00
x 4.00 x1/60 = 176.53
FM Infiltration wall.temp- wall.temp-
x cfm/door = 0.00 NE 12 10
x cfm/door = 0.00 E 12 18
x 1.00 cfm/door = 0.00 SE 18 18
x cfm/ft = 0.00 S 26 16
0.00 SW 32 14
CFM from Machine W 28 12
NW 12 6
= 0.99 N 10 4
tus Dew Point (ADP)
=
= 50.00
humidified Rise
= 12.32
= 9,660 CFM
= 4,540.24 L/s
= 11.55 TR
= 11.55 TR
MP WRT MEDIUM WAIGHT OF 80 LB/SFT
CORRECTION FACTOR WRT DAILY RANGE & TEMP. DIFFERENCE
avg cf-1 cf-2 avg total
11 14 0 7 18
15 14 0 7 22
18 14 0 7 25
21 14 0 7 28
23 14 0 7 30
20 14 0 7 27
9 14 0 7 16
7 14 0 7 14
