Hvac Watt Per Square Meter Calculations
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DX (W/m2)
AIR COOLED CHILLERS (W/m2)
WATER COOLED CHILLERS <250 TR (W/m2)
WATER COOLED CHILLERS 250 < TR < 500(W/m2)
WATER COOLED CHILLERS >500 TR (W/m2)
LIGHTING (W/m2)
REIDENTIAL - VILLA
60
71
53
46
44
10
REIDENTIAL - APPARTMENT
60
71
53
46
44
10
CLINIC
85
100
75
65
63
20
SCHOOL
100
118
88
76
74
20
MOSQUE - PRAYER ROOM
115
135
101
88
85
20
BUILDING TYPE
FAST FOOD RESTURANT STAND ALONE FAST FOOD RESTURANT - IN A MALL OFFICE
145
171
128
111
107
20
120
141
106
92
88
20
70
82
62
54
51
20
SHOPPING MALL
70
82
62
54
51
40
STAND ALONE SHOPS
80
94
71
61
59
40
COMMUNITY HALL
115
135
101
88
85
20
DINNING HALL
115
135
101
88
85
20
THEATRE
115
135
101
88
85
20
SHOW ROOM
115
135
101
88
85
40
DX (KW/TR)
AIR COOLED CHILLERS <100 TR (KW/TR)
AIR COOLED CHILLERS 100 - 250 TR (KW/TR)
AIR COOLED CHILLERS >250 TR (KW/TR)
WATER COOLED CHILLERS <250 TR (KW/TR)
WATER COOLED CHILLERS 250 < TR < 500(KW/TR)
1.7
2
2
2
1.5
1.5
1.6
1.6
1.6
0.95
0.95
SYSTEM
TOTAL POWER RATING CHILLER COOLING TOWER FAN
0.04
CONDENSER WATER PUMP
0.06
CHILLED WATER PUMP
0.05
0.05
0.05
0.07
AIR HANDLING UNITS
0.35
0.35
0.35
0.38
WATER COOLED CHILLERS 500 < TR <
WATER COOLED CHILLERS 500 TR >1000(KW/TR)
TOTAL POWER RATING
1.3
1.25
CHILLER
0.75
0.7
DX (m2/TR)
AIR COOLED CHILLERS (m2/TR)
WATER COOLED CHILLERS <250 TR (m2/TR)
WATER COOLED CHILLERS 250 < TR < 500(m2/TR)
WATER COOLED CHILLERS >500 TR (m2/TR)
REIDENTIAL - VILLA
28
28
28
28
28
REIDENTIAL - APPARTMENT
28
28
28
28
28
CLINIC
20
20
20
20
20
SCHOOL
17
17
17
17
17
MOSQUE - PRAYER ROOM
15
15
15
15
15
12
12
12
12
12
14
14
14
14
14
OFFICE
24
24
24
24
25
SHOPPING MALL
24
24
24
24
25
SYSTEM
BUILDING TYPE
FAST FOOD RESTURANT STAND ALONE FAST FOOD RESTURANT - IN A MALL
DX (m2/TR)
AIR COOLED CHILLERS (m2/TR)
WATER COOLED CHILLERS <250 TR (m2/TR)
WATER COOLED CHILLERS 250 < TR < 500(m2/TR)
WATER COOLED CHILLERS >500 TR (m2/TR)
STAND ALONE SHOPS
21
21
21
21
21
COMMUNITY HALL
15
15
15
15
15
DINNING HALL
15
15
15
15
15
THEATRE
15
15
15
15
15
SHOW ROOM
15
15
15
15
15
BUILDING TYPE
/ TR )
S ystem ( KW
( Compressor CondenserF an ChilledWat erPumps AHU FCU CommonEqui pment ) kW ( ChillerCap acity )TR
Watt/m 2
( A)
[( A) xDiversityx( AHU & FCU (TR )ofArea)] [( AHU & FCU (kW )ofArea)] Area
(Compressor CondenserFan ChilledWat erPump CommonEquipment )kW (ChillerCap acity )TR
ChillerkW / TR
Diversity
(Compressor CondenserF an)kW TR
TotalChill TotalAHU
erCapacity
(TR)
& FCU(TR)
COOLING LOADS CHECK FIGURES (EXPERIENCE)
Watt/m2
Btu/m2
CFM/m2
RESIDENENCES
65
500-520
20-22
OFFICES
70
520-540
22-25
SHOPS
80
550-580
26-28
CLASS ROOMS
100
560-600
29-32
MOSQUES
145
650-720
32-35-38
THEATERS
145
650-720
32-35-38
GYMANASIUM
145
650-720
32-35-38
SYSTEM
AIR COOLED CHILLERS (W/m2)
WATER COOLED CHILLERS <250 TR (W/m2)
WATER COOLED CHILLERS 250 < TR < 500(W/m2)
WATER COOLED CHILLERS >500 TR (W/m2)
LIGHTING (W/m2)
REIDENTIAL - VILLA
60
71
53
46
44
10
REIDENTIAL - APPARTMENT
60
71
53
46
44
10
CLINIC
85
100
75
65
63
20
SCHOOL
100
118
88
76
74
20
MOSQUE - PRAYER ROOM
115
135
101
88
85
20
BUILDING TYPE
FAST FOOD RESTURANT STAND ALONE FAST FOOD RESTURANT - IN A MALL OFFICE
145
171
128
111
107
20
120
141
106
92
88
20
70
82
62
54
51
20
SHOPPING MALL
70
82
62
54
51
40
STAND ALONE SHOPS
80
94
71
61
59
40
COMMUNITY HALL
115
135
101
88
85
20
DINNING HALL
115
135
101
88
85
20
THEATRE
115
135
101
88
85
20
SHOW ROOM
115
135
101
88
85
40
DX (KW/TR)
AIR COOLED CHILLERS <100 TR (KW/TR)
AIR COOLED CHILLERS 100 - 250 TR (KW/TR)
AIR COOLED CHILLERS >250 TR (KW/TR)
WATER COOLED CHILLERS <250 TR (KW/TR)
WATER COOLED CHILLERS 250 < TR < 500(KW/TR)
1.7
2
2
2
1.5
1.5
1.6
1.6
1.6
0.95
0.95
SYSTEM
TOTAL POWER RATING CHILLER COOLING TOWER FAN
0.04
CONDENSER WATER PUMP
0.06
CHILLED WATER PUMP
0.05
0.05
0.05
0.07
AIR HANDLING UNITS
0.35
0.35
0.35
0.38
WATER COOLED CHILLERS 500 < TR <
WATER COOLED CHILLERS 500 TR >1000(KW/TR)
TOTAL POWER RATING
1.3
1.25
CHILLER
0.75
0.7
DX (m2/TR)
AIR COOLED CHILLERS (m2/TR)
WATER COOLED CHILLERS <250 TR (m2/TR)
WATER COOLED CHILLERS 250 < TR < 500(m2/TR)
WATER COOLED CHILLERS >500 TR (m2/TR)
REIDENTIAL - VILLA
28
28
28
28
28
REIDENTIAL - APPARTMENT
28
28
28
28
28
CLINIC
20
20
20
20
20
SCHOOL
17
17
17
17
17
MOSQUE - PRAYER ROOM
15
15
15
15
15
12
12
12
12
12
14
14
14
14
14
OFFICE
24
24
24
24
25
SHOPPING MALL
24
24
24
24
25
SYSTEM
BUILDING TYPE
FAST FOOD RESTURANT STAND ALONE FAST FOOD RESTURANT - IN A MALL
DX (m2/TR)
AIR COOLED CHILLERS (m2/TR)
WATER COOLED CHILLERS <250 TR (m2/TR)
WATER COOLED CHILLERS 250 < TR < 500(m2/TR)
WATER COOLED CHILLERS >500 TR (m2/TR)
STAND ALONE SHOPS
21
21
21
21
21
COMMUNITY HALL
15
15
15
15
15
DINNING HALL
15
15
15
15
15
THEATRE
15
15
15
15
15
SHOW ROOM
15
15
15
15
15
BUILDING TYPE
/ TR )
S ystem ( KW
( Compressor CondenserF an ChilledWat erPumps AHU FCU CommonEqui pment ) kW ( ChillerCap acity )TR
Watt/m 2
( A)
[( A) xDiversityx( AHU & FCU (TR )ofArea)] [( AHU & FCU (kW )ofArea)] Area
(Compressor CondenserFan ChilledWat erPump CommonEquipment )kW (ChillerCap acity )TR
ChillerkW / TR
Diversity
(Compressor CondenserF an)kW TR
TotalChill TotalAHU
erCapacity
(TR)
& FCU(TR)
COOLING LOADS CHECK FIGURES (EXPERIENCE)
Watt/m2
Btu/m2
CFM/m2
RESIDENENCES
65
500-520
20-22
OFFICES
70
520-540
22-25
SHOPS
80
550-580
26-28
CLASS ROOMS
100
560-600
29-32
MOSQUES
145
650-720
32-35-38
THEATERS
145
650-720
32-35-38
GYMANASIUM
145
650-720
32-35-38
SYSTEM
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