HVAC Cooling Load Estimate Sheet

Project No.

Room No :

Name : Room Size.

Sq. Ft. x

Cu. Ft.

Estimated by :

Date :

Checked by : COOLING LOAD Condition Outside Inside Difference

OUTSIDE AIR :

D.B 115 75 40

W.B 82

% R.H

Gr/lb. 112 72 40

50%

0

PERSON X 10 = 0

Area or

Sun gain or

quantity

Temp. Diff.

Date : HEATING LOAD Condition Inside Outside Difference

D.B

0

0 Sq. Ft.

15.3

0.56

Glass S

0 Sq. Ft.

13.06

Glass W

0 Sq. Ft.

178.8

Glass E

0 Sq. Ft.

13.08

0.56

Wall N

0 Sq. Ft.

37

0.1

Wall S

0 Sq. Ft.

45

0.1

Wall W

0 Sq. Ft.

43

0.1

Wall E

0 Sq. Ft.

52

0.1

Roof

0 Sq. Ft.

63

0.1

Sky light

0 Sq. Ft.

235

0.52

Windows

Sq. Ft.

30 x 1.13

0.56

0

Walls

Sq. Ft.

30 x

0.56

0 0 0 0 0 0 0 0

Partition

Sq. Ft.

25 x

Ceiling

Sq. Ft.

25 x

Floor

Sq. Ft.

25 x

Infilt

Sq. Ft.

30 x 1.1

SUB TOTAL SAFETY FACTOR 10%

ROOM HEAT LOSS

0 Sq. Ft.

40

1.13

Infiltration

Sq. Ft.

40

1.08

Sh. Wall

Sq. Ft.

Partition

0 Sq. Ft.

32

.38

Gl. Part.

0 Sq. Ft.

People

Sq. Ft.

20

.38

0 Sq. Ft.

10

.38

0 0 0 0 0 0 0

INTERNAL HEAT 0 Person 215 150

Appliances

Sq. Ft.

Lights

1.13 Watt x 3.412

0 Watts/m2

BTU / HR.

HEAT LOSS

0

TRANSMISSION GAIN (Except walls & roof)

Floor

Gr/lb.

AIR CHANGES / HR……………….CFM.

BTU / HR

Glass N

Ceilling

% R.H

Factor

SUNLIGHT GAIN

All Glass

W.B

3.41

1.25

O : A Loss

CFM x

x 1.1

TOTAL HEAT LOSS REMARKS TOTAL HEAT

0 Btu/hr

act. Ton

0

0 0 0

Room Sensible Heat Subtotal

0

SAFETY FACTOR "A" 10%

0

ROOM SENSIBLE HEAT

0

N. B. : SAFETY FACTOR "A"

ROOM LATENT HEAT People

0 Person

*

235

Steam

0 x lb/Hr.

*

1000

0 0 0 0 0

Room Latent Heat Subtotal

SAFETY FACTOR "B" 7 % ROOM LATENT HEAT ROOM TOTAL HEAT OUTSIDE AIR HEAT 0 CFM 40° F x 1.08 0 CFM x 40 Gr/lb x 0.67

=

5%

GRAND TOTAL HEAT Assume Rm

2%

Fan H.P.

3%

Safety Factor.

5%

Supply Duct Leakage Loss.

2%

Safety Factor.

5%

SAFETY FACTOR "C"

Latent

TONS

5%

Supply Duct Leakage Loss.

SAFETY FACTOR "B"

0

Sens.

SAFETY FACTOR "C"

Reheat Supply Duct. Ht. Gain.

0 0

Return Duct Heat Gain.

2%

Return duct Leakage Gain.

3%

0

Pump H. P.

2%

0

Dehum. & Piping Los.

3%

T ( Temp. Diff. Between Rm. Design Temp. and air off Coil D. B. Temp ) = …………F S.A.C.F.M =

Rm.S.Hi 1.08 x

T

0 1.08 * 18

0 cfm

18° F