Shops and stores - lighting of showcases and displays with LED light
Shops and showcases are usually lighted with halogen and CDM-T lighting. Compared to LED these ways of lighting are quite inefficient. With the same light output LED uses half the CDM-T’s power and 5 times less power than halogen. Also the heat production of halogen and CDM-T lamps is a major disadvantage. The heat emission of LED is considerably less. This decrease of power consumption, and thus less heat generation, reduces the air-conditioning costs. This saving is demonstrated by the 120 % rule, a rule that is used for calculating the power consumption with respect to the lighting power consumption.
Old situation
Power consumption
Halogen lamps
5.000 Watt
Air-conditioning
6.000 Watt
Total
11.000 Watt
New situation
Power consumption
LED lamps
1.000 Watt
Air-conditioning
1.200 Watt
Total
2.200 Watt
A comparison in lifetime shows that LEDs are superior to Halogen and CDM-T lamps.
Shops and showcases are usually lighted with halogen and CDM-T lighting. Compared to LED these ways of lighting are quite inefficient. With the same light output LED uses half the CDM-T’s power and 5 times less power than halogen. Also the heat production of halogen and CDM-T lamps is a major disadvantage. The heat emission of LED is considerably less. This decrease of power consumption, and thus less heat generation, reduces the air-conditioning costs. This saving is demonstrated by the 120 % rule, a rule that is used for calculating the power consumption with respect to the lighting power consumption.