14-88-027Residential Cooling and Heating
Load Calculations Based on ASHRAE
Cooling & Heating Load Calculation
Manual. Second Edition.
Unit/ Area served: EXIST. AHU -1 (3.5TNS)
Job Name:
Date:
Calculated by:
Checked by:
�Summer design: 91.0' F
Summer Coincident W.B.: 77.0 ° F
(Summer Daily range.: 11.0 ° F
Data Source 2001 ASHRAE Hand Book _
ADDITION AREA
4301 SW 60th PLACE
Miami, Fl
01/17/14
A.S.
A.S.
ITEM
SOLAR
1.1
SHADE
T. AREA
BTU/HR
ITEM
LT
6.9
U
T. AREA
BTU/HR
N. Glass
37
x
x 30 =
1110
N. Wall
14
x
0.2
x;
390
= 1092.0
NE. Glass
66
x
x 0 =
0
NE. Wall
20
x
0.2
x
0
= 0.0
E. Glass
91
x
x' 60 =
5460
E. Wall
24
x
0.2
x`
380
= 1824.0
SE. Glass
82
x
x 0 =
0
SE. Wall
22
x
0.2
x
0
= 0.0
S. Glass
56
x
x' 30 =
1680
S. Wall
17
x
0.2
x,
390
= 1326.0
SW. Glass
82
x
x 0 =
0
SW. Wall
22
x
0.2
x
0
= 0.0
W. Glass
91
x
x; 66 =
6006
W. Wall
24
x
0.2
x.
374
= 1795.2
NW. Glass
66
x
x 0 =
0
NW. Wall
22
x
0.2
x
0
= 0.0
Hor. Glass
x
x =
0
Knee wall
x
x
= 0.0
T. Glass area
= 186
Subtotal =
14256
T. Wall Area=
1534
Subtotal
= 6037
ITEM
LT
U
T. AREA
BTU/HR
ITEM
BTU/Unit
TOTAL
BTU/HR
Partition
13
x
0.09
x' 0 =
0.0
People
230
x
4
= 920
Roof
48
x
0.09
x! 1425 =
6156.0
Kitchen
1200
x:
0
= 0
Floor
13
x
0.09
x 1425 =
1667.3
Infil./Vent. =
1.1xQxDT
=
96.9
x
16.5
= 1598.9
Ceiling
x
x =
0.0
Miscellaneous
= 800.0
Subtotal =
7823
Subtotal
= 3319
TOTAL SENS.
GRAND TOTAL
HEAT LOSS
ITEM
Walls
Roof
Floor
Glass
Ventilation= 1.1xDTxQ=
Partition
TOTAL
KW
= 31435 Btu/Hr
= 40866 Btu/Hr (TOTAL SENSIBLE.+ LATENT) MAX. ALLOWED PER UNIT 1.15 % = 46995.77 Btu/Hr
TONS = 3.4
USE _` 3.5 Tons
T. AREA LT U BTU/HR Cfm 1400
1534 x 27 x 0.2 = 8283.6 Sq.Ft./T = 407.1
1425 x 27 x 0.09 = 3462.8 CFM /sq.ft = 1.0
1425 x 27
186
x 27
1.1
x 27
0
x 27
23611.2
Btu/hr
6.9
Kw
x 0.09 = 3462.8
x 1.1 = 5524.2
x 96.9 = 2877.9
x 0.09 = 0.0
Q= ARCHxVOL. /60= 0.48 x 12113 / 60 = 96.9
Area A/C= 14215 Sq. ft.
Volume A/C= ,`````xx�t, `tt►25c "S ��i$.5 = 12113 Cu. ft.
V Gam- C •,, "G
F
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No 2
X233
-o % STATE OF
ZONAL