heat load calculations.xls

7/14/2019 Heat Load Calculations.xls

http://slidepdf.com/reader/full/heat-load-calculationsxls 1/6

SUMMER HEAT LOAD

CONDITIONS DB WB %RH

Outside 107.6 90.32 52

Inside 75.2 65.48 60

Difference 32.4 XXX XXX

ParametersTotal Area 231

Height 16

False Ceiling 16

Volume 3598

Fresh Air Requirement ACHPH 1.5 90

Item Sun gain/ Temp diff   Factor Area (sqft) To

SOLAR GAIN- GLASS

Glass(E) 12 0.43 148

Glass(W) 164 0.43 148

Glass(S) 12 0.43 94

Glass(N) 14 0.43 94

Glass(NW) 123 0.43

Glass(SW) 100 0.43

SOLAR & TRANS. GAIN-

WALLS & ROOFwall (E) 35.4 0.44 148

wall (W) 29.4 0.44 148

wall (S) 33.4 0.44 94

wall (N) 21.4 0.44 94

Roof sun insulated 52.4 0.11 231

Roof insulated 52.4 0.11

TRANS GAIN EXCEPT

WALLS & ROOFS

 All glass 32.4 1.1 485

Ceiling Insulated 27.4 0.17

Floor  27.4 0.17

Partition-wall 27.4 0.4

Partition-glass 27.4 0.43

INFILTRATION & OUTSIDE

AIR BF

outside air  0.12 34.99 90

INTERNAL HEAT

People, Nos. 245 2

Lights, Watt 3.41 322

EQUIP. KW 3410 20

ROOM SENSIBLE HEAT SUB

TOTAL BTU/HR Sensible heat Safety Factor  10%

TOTAL ROOM SENSIBLE

HEAT (RSH) BTU/HR

LATENT HEAT

BF

Outdoor air  0.12 -7.3848 90

People, No.205

2 ROOM LATENT HEAT SUB

TOTAL

Safety Factor  10%

TOTAL ROOM LATENT HEAT

(RLH)

ROOM TOTAL HEAT(RTH) BTU/HR

OUTDOOR AIR HEAT

Sensible 32.4 0.88 90

Latent -10.86 0.88 90

GRAND TOTAL HEAT BTU/HR

Total Tonnage TR

SENSIBLE HEAT FACTOR

Sensible Heat Factor 

App. Due Point DEG F

Dehumidified Air Qty CFM

INVERTER ROOM TO BE AIR C

7/14/2019 Heat Load Calculations.xls

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MONSOON HEAT LOAD

CONDITIONS DB WB %RH

Outside 98.6 89.24 70

Inside 75.2 65.48 60

Difference 23.4 XXX XXX

ParametersTotal Area 231

Height 16

False Ceiling 16

Volume 3598

Fresh Air Requirement ACHPH 1.5 90

Item Sun gain/ Temp diff   Factor Area (sqft) To

SOLAR GAIN- GLASS

Glass(E) 12 0.43 148

Glass(W) 164 0.43 148

Glass(S) 12 0.43 94

Glass(N) 14 0.43 94

Glass(NW) 123 0.43

Glass(SW) 100 0.43

SOLAR & TRANS. GAIN-

WALLS & ROOF

wall (E) 17.76 0.44 148

wall (W) 11.76 0.44 148

wall (S) 15.76 0.44 94

wall (N) 3.76 0.44 94

Roof sun insulated 34.76 0.11 231

Roof insulated 34.76 0.11

TRANS GAIN EXCEPT

WALLS & ROOFS

 All glass 14.76 1.1 485

Ceiling Insulated 9.76 0.17

Floor  9.76 0.17

Partition-wall 9.76 0.4

Partition-glass 9.76 0.43

INFILTRATION & OUTSIDE

AIRBF

outside air  0.12 15.94 90

INTERNAL HEAT

People, Nos. 245 2

Lights, Watt 3.41 322

EQUIP. KW 3410 20

ROOM SENSIBLE HEAT SUB

TOTAL BTU/HR

Sensible heat Safety Factor  10%

TOTAL ROOM SENSIBLE

HEAT (RSH) BTU/HR

LATENT HEAT

BF

Outdoor air  0.12 76.636 90

People, No. 205 2 ROOM LATENT HEAT SUB

TOTAL

Safety Factor  10%

TOTAL ROOM LATENT HEAT

(RLH)

ROOM TOTAL HEAT(RTH) BTU/HR

OUTDOOR AIR HEAT

Sensible 14.76 0.88 90

Latent 112.7 0.88 90

GRAND TOTAL HEAT BTU/HR

Total Tonnage TR

SENSIBLE HEAT FACTOR

Sensible Heat Factor 

App. Due Point DEG F

Dehumidified Air Qty CFM

INVERTER ROOM TO BE AIR C

7/14/2019 Heat Load Calculations.xls

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WINTER HEAT LOAD

CONDITIONS DB WB %RH

Outside 89.6 79.16 64

Inside 75.2 65.48 60

Difference 14.4 XXX XXX

ParametersTotal Area 231

Height 16

False Ceiling 16

Volume 3598

Fresh Air Requirement ACHPH 1.5 90

Item Sun gain / Temp diff   Factor Area (sqft) To

SOLAR GAIN- GLASS

Glass(E) 0.43 148

Glass(W) 0.43 148

Glass(S) 0.43 94

Glass(N) 0.43 94

Glass(NW) 0.43

Glass(SW) 0.43

SOLAR & TRANS. GAIN-

WALLS & ROOF

wall (E) 14.4 0.44 148

wall (W) 14.4 0.44 148

wall (S) 14.4 0.44 94

wall (N) 14.4 0.44 94

Roof sun insulated 14.4 0.11 231

Roof insulated 14.4 0.11

TRANS GAIN EXCEPT

WALLS & ROOFS

 All glass 14.4 1.1 485

Ceiling Insulated 14.4 0.17

Floor  14.4 0.17

Partition-wall 14.4 0.4

Partition-glass 14.4 0.43

INFILTRATION & OUTSIDE

AIRBF

outside air  0.12 15.55 90

INTERNAL HEAT

People, Nos. 245 2

Lights, Watt 3.41 322

EQUIP. KW 3410 20

ROOM SENSIBLE HEAT SUB

TOTAL BTU/HR Sensible heat Safety Factor  10%

TOTAL ROOM SENSIBLE

HEAT (RSH) BTU/HR

LATENT HEAT

BF

Outdoor air  0.12 76.636 90

People, No. 205 2 ROOM LATENT HEAT SUB

TOTAL

Safety Factor  10%

TOTAL ROOM LATENT HEAT

(RLH)

ROOM TOTAL HEAT(RTH) BTU/HR

OUTDOOR AIR HEAT

Sensible 14.76 0.88 90

Latent 112.7 0.88 90

GRAND TOTAL HEAT BTU/HR

Total Tonnage TR

SENSIBLE HEAT FACTOR

Sensible Heat Factor 

App. Due Point DEG F

Dehumidified Air Qty CFM

INVERTER ROOM TO BE AIR

7/14/2019 Heat Load Calculations.xls

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SUMMER HEAT LOAD

CONDITIONS DB WB %RH

Outside 118.4 73.04 10.7

Inside 75.2 65.48 60

Difference 43.2 XXX XXX

ParametersTotal Area 231

Height 16

False Ceiling 16

Volume 3598

Fresh Air Requirement ACHPH 1.5 90

Item Sun gain/ Temp diff   Factor Area (sqft) To

SOLAR GAIN- GLASS

Glass(E) 12 0.43 148

Glass(W) 164 0.43 148

Glass(S) 12 0.43 94

Glass(N) 14 0.43 94

Glass(NW) 123 0.43

Glass(SW) 100 0.43

SOLAR & TRANS. GAIN-

WALLS & ROOFwall (E) 46.2 0.44 148

wall (W) 40.2 0.44 148

wall (S) 44.2 0.44 94

wall (N) 32.2 0.44 94

Roof sun insulated 63.2 0.11 231

Roof insulated 63.2 0.11

TRANS GAIN EXCEPT

WALLS & ROOFS

 All glass 43.2 1.1 485

Ceiling Insulated 38.2 0.17

Floor  38.2 0.17

Partition-wall 38.2 0.4

Partition-glass 38.2 0.43

INFILTRATION & OUTSIDE

AIR BF

outside air  0.12 46.66 90

INTERNAL HEAT

People, Nos. 245 2

Lights, Watt 3.41 322

EQUIP. KW 3410 20

ROOM SENSIBLE HEAT SUB

TOTAL BTU/HR Sensible heat Safety Factor  10%

TOTAL ROOM SENSIBLE

HEAT (RSH) BTU/HR

LATENT HEAT

BF

Outdoor air  0.12 -37.264 90

People, No.205 2

ROOM LATENT HEAT SUB

TOTAL

Safety Factor  10%

TOTAL ROOM LATENT HEAT

(RLH)

ROOM TOTAL HEAT(RTH) BTU/HR

OUTDOOR AIR HEAT

Sensible 43.2 0.88 90

Latent -54.8 0.88 90

GRAND TOTAL HEAT BTU/HR

Total Tonnage TR

SENSIBLE HEAT FACTOR

Sensible Heat Factor 

App. Due Point DEG F

Dehumidified Air Qty CFM

INVERTER ROOM TO BE AIR C

7/14/2019 Heat Load Calculations.xls

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MONSOON HEAT LOAD

CONDITIONS DB WB %RH

Outside 98.6 73.94 45

Inside 75.2 65.48 60

Difference 23.4 XXX XXX

ParametersTotal Area 231

Height 16

False Ceiling 16

Volume 3598

Fresh Air Requirement ACHPH 1.5 90

Item Sun gain/ Temp diff   Factor Area (sqft) To

SOLAR GAIN- GLASS

Glass(E) 12 0.43 148

Glass(W) 164 0.43 148

Glass(S) 12 0.43 94

Glass(N) 14 0.43 94

Glass(NW) 123 0.43

Glass(SW) 100 0.43

SOLAR & TRANS. GAIN-

WALLS & ROOF

wall (E) 17.76 0.44 148

wall (W) 11.76 0.44 148

wall (S) 15.76 0.44 94

wall (N) 3.76 0.44 94

Roof sun insulated 34.76 0.11 231

Roof insulated 34.76 0.11

TRANS GAIN EXCEPT

WALLS & ROOFS

 All glass 14.76 1.1 485

Ceiling Insulated 9.76 0.17

Floor  9.76 0.17

Partition-wall 9.76 0.4

Partition-glass 9.76 0.43

INFILTRATION & OUTSIDE

AIRBF

outside air  0.12 15.94 90

INTERNAL HEAT

People, Nos. 245 2

Lights, Watt 3.41 322

EQUIP. KW 3410 20

ROOM SENSIBLE HEAT SUB

TOTAL BTU/HR

Sensible heat Safety Factor  10%

TOTAL ROOM SENSIBLE

HEAT (RSH) BTU/HR

LATENT HEAT

BF

Outdoor air  0.12 76.636 90

People, No. 205 2 ROOM LATENT HEAT SUB

TOTAL

Safety Factor  10%

TOTAL ROOM LATENT HEAT

(RLH)

ROOM TOTAL HEAT(RTH) BTU/HR

OUTDOOR AIR HEAT

Sensible 14.76 0.88 90

Latent 112.7 0.88 90

GRAND TOTAL HEAT BTU/HR

Total Tonnage TR

SENSIBLE HEAT FACTOR

Sensible Heat Factor 

App. Due Point DEG F

Dehumidified Air Qty CFM

INVERTER ROOM TO BE AIR C

7/14/2019 Heat Load Calculations.xls

http://slidepdf.com/reader/full/heat-load-calculationsxls 6/6

WINTER HEAT LOAD

CONDITIONS DB WB %RH

Outside 89.6 68.54 35

Inside 75.2 65.48 60

Difference 14.4 XXX XXX

ParametersTotal Area 231

Height 16

False Ceiling 16

Volume 3598

Fresh Air Requirement ACHPH 1.5 90

Item Sun gain / Temp diff   Factor Area (sqft) To

SOLAR GAIN- GLASS

Glass(E) 0.43 148

Glass(W) 0.43 148

Glass(S) 0.43 94

Glass(N) 0.43 94

Glass(NW) 0.43

Glass(SW) 0.43

SOLAR & TRANS. GAIN-

WALLS & ROOF

wall (E) 14.4 0.44 148

wall (W) 14.4 0.44 148

wall (S) 14.4 0.44 94

wall (N) 14.4 0.44 94

Roof sun insulated 14.4 0.11 231

Roof insulated 14.4 0.11

TRANS GAIN EXCEPT

WALLS & ROOFS

 All glass 14.4 1.1 485

Ceiling Insulated 14.4 0.17

Floor  14.4 0.17

Partition-wall 14.4 0.4

Partition-glass 14.4 0.43

INFILTRATION & OUTSIDE

AIRBF

outside air  0.12 15.55 90

INTERNAL HEAT

People, Nos. 245 2

Lights, Watt 3.41 322

EQUIP. KW 3410 20

ROOM SENSIBLE HEAT SUB

TOTAL BTU/HR Sensible heat Safety Factor  10%

TOTAL ROOM SENSIBLE

HEAT (RSH) BTU/HR

LATENT HEAT

BF

Outdoor air  0.12 76.636 90

People, No. 205 2 ROOM LATENT HEAT SUB

TOTAL

Safety Factor  10%

TOTAL ROOM LATENT HEAT

(RLH)

ROOM TOTAL HEAT(RTH) BTU/HR

OUTDOOR AIR HEAT

Sensible 14.76 0.88 90

Latent 112.7 0.88 90

GRAND TOTAL HEAT BTU/HR

Total Tonnage TR

SENSIBLE HEAT FACTOR

Sensible Heat Factor 

App. Due Point DEG F

Dehumidified Air Qty CFM

INVERTER ROOM TO BE AIR