| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Heat gain | Energy | 1: An increase in the amount of heat contained in a space, resulting from direct solar radiation, heat flow through walls, windows, roof, and other building surfaces, and the heat given off by people, lights, equipment, and other sources. (references) | |
| 2: The amount of heat introduced to a space from all heat producing sources, such as building occupants, lights, appliances, and from the environment, mainly solar energy. (references) | |||
| 3: The rate at which heat enters or is generated within a space at a given instant. (references) | |||
| Heat gain | Meteorology & Standards | The quantity of heat taken in by an enclosed space or system. Source: European Union. (references) | |
| Solar heat gain | Physics | Heat added to a space due to transmitted and absorbed solar energy. (references) | |
| SOLAR HEAT GAIN FACTOR | Energy | Anestimate used in calculating cooling loads of the heat gain due to transmitted andabsorbed solar energy through 1/8"-thick, clear glass at a specific latitude, time andorientation. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||