| 摘要 |
A system 1 for maintaining the temperature of an internal space 2, e.g. an office at a desired level, has a device 3 made up of a phase change material, e.g. a hydrated salt, which absorbs heat from the air to affect a phase change of the material, thereby cooling the internal space 2, and limiting the temperature above which the space 2 will reach. The device 3 may take the form of a number of pouches of material placed in the ceiling void 7 of the space 2. A fan 8 may be provided to aid in cooling the ceiling void 7 to cool the device 3 at times when the device 3 does not need to operate e.g. during the night. |
