Inside Design Conditions
Reference data and engineering information about inside design conditions for hvac systems applications.
insidedesignconditions
Overview
Engineering reference data for Inside Design Conditions in HVAC systems.
Key Formulas
Sensible Heat
Heat causing temperature change.
Latent Heat
Heat causing moisture change.
COP (Cooling)
Coefficient of performance.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Heat transfer | W | |
| Mass flow rate | kg/s | |
| Specific heat of air | J/(kg·K) | |
| Temperature difference | K |
Indoor Design Conditions Table
4 rows
Application | Summer Extra Dry Bulb(°F) | Summer Extra Relative Humidity(%) | Summer Commercial Dry Bulb(°F) | Summer Commercial Relative Humidity(%) | Winter With Humidification Dry Bulb(°F) | Winter With Humidification Relative Humidity(%) | Winter Without Humidification Dry Bulb(°F) |
|---|---|---|---|---|---|---|---|
| General Comfort - Apartment, House, Hotel, Office, Hospital, School | 74 - 76 | 50 - 45 | 77 - 79 | 50 - 54 | 74 - 76 | 35 - 30 | 75 - 77 |
| Retail Shops - Bank, Barber Shop, Beauty Shop, Department Store, Supermarket | 76 - 78 | 50 - 45 | 78 - 80 | 50 - 45 | 72 - 74 | 35 - 30 | 73 - 75 |
| High Latent Load - Auditoriums, Churches, Bars, Restaurants, Kitchens | 76 - 78 | 55 - 50 | 78 - 80 | 65 - 50 | 72 - 74 | 40 - 35 | 74 - 76 |
| Factories - Work Shops, Assembly Areas, Machining Rooms | 77 - 80 | 55 - 45 | 80 - 85 | 60 - 50 | 68 - 72 | 35 - 30 | 70 - 74 |
Source: engineeringtoolbox.com