Persons and Metabolic Heat Gain
Approximate metabolic heat gain from occupants in air conditioned spaces at different degrees of activities - in watts
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The table below can be used to estimate the sensible and latent heat from people. The values can be used to calculate the heat load handled by the air condition system.
| Degree of Activity | Typical Application | Average Metabolic rate - male adult
(W) |
Room Dry Bulb Temperature (oC) | |||||||||||
| 28 | 27 | 26 | 24 | 22 | 20 | |||||||||
| Sens. | Lat. | Sens. | Lat. | Sens. | Lat. | Sens. | Lat. | Sens. | Lat. | Sens. | Lat. | |||
| Seated at rest | Cinema, theatre, school | 100 | 50 | 50 | 55 | 45 | 60 | 40 | 67 | 33 | 72 | 28 | 79 | 21 |
| Seated, very light work | Computer working | 120 | 50 | 70 | 55 | 65 | 60 | 60 | 70 | 50 | 478 | 42 | 84 | 36 |
| Office work | Hotel reception, cashier | 130 | 50 | 80 | 56 | 74 | 60 | 70 | 70 | 60 | 78 | 52 | 86 | 44 |
| Standing, walking slowly | Laboratory work | 130 | 50 | 80 | 56 | 74 | 60 | 70 | 70 | 60 | 78 | 52 | 86 | 44 |
| Walking, seated | 150 | 53 | 97 | 58 | 92 | 64 | 86 | 76 | 74 | 84 | 66 | 90 | 60 | |
| Moderate work | Servant, hair dresser | 160 | 55 | 105 | 60 | 100 | 68 | 92 | 80 | 80 | 90 | 70 | 98 | 62 |
| Light bench work | Mechanical production | 220 | 55 | 165 | 52 | 158 | 70 | 150 | 85 | 135 | 100 | 120 | 115 | 105 |
| Moderate Dancing | Party | 250 | 62 | 188 | 70 | 180 | 78 | 172 | 94 | 156 | 110 | 140 | 125 | 125 |
| Fast walking | Mountain walking | 300 | 80 | 220 | 88 | 212 | 96 | 204 | 110 | 190 | 130 | 170 | 145 | 155 |
| Heavy work | Athletics | 430 | 132 | 298 | 138 | 292 | 144 | 286 | 154 | 276 | 170 | 260 | 188 | 242 |
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