Energy saving

Types of lamps: how many are there?

What are the types of lamps existing on the market? And what are the ones that allow you to save electricity?

Lighting accounts for 14% of total electricity consumption in the home, 28.30% in the service sector (offices and shops) and 8.70% in industry (factories, warehouses, etc.). The choice of types of lamps therefore has a significant weight in the budget of a family and even more so if we are talking about a company.

There are basically four types of lamps to choose from according to your needs in terms of purchase cost, cost of use and characteristics of the light.

Bulb electric lamps. They can be incandescent or halogen and represent the most dated technology. The duration is about 2,000 hours / light and the illuminating yield of 12 lm / W, with slightly higher values ​​in the case of halogen lamps. The purchase cost is low, the cost of use is high and the color rendering is excellent.

But be careful: the import, distribution and sale of incandescent light bulbs is prohibited from January 1, 2011 throughout the country. It is therefore an 'expired' technology: who has these types of lamps can use it until exhaustion and then move on to something else.

Electric discharge lamps. Fluorescent lamps are also defined as 'low consumption lamps', last longer (8,000 hours) and are more than twice as effective as electric lamps. The disadvantage of these lamps is that they cannot be adjusted and that it takes a while to turn on at maximum, which is a problem in the case of frequent on-off. Cost of purchase and use are low for fluorescent lamps (the duration depends on the frequency of switching off), low and very low for compact fluorescent lamps. The color rendering is good.

Induction lamps. They are comparable to fluorescent lamps (they could be in the group of electric discharge lamps) because they use gases that, after being ionized, react with the phosphor that covers the tubes that produce white light. Unlike incandescent lamps, however, there are no electrical connections inside induction lamps and the gas is ionized by an external electromagnetic radiation. Compared to fluorescent lamps they last much longer (even 60,000 hours) but they also cost a lot. The color rendering is excellent.

LED lamps. Light Emitting Diode: light emitting diode. They have an operating life of up to 50,000 hours and a high efficiency, even if they cost quite a lot. It is a rapidly evolving technology and the most interesting for the foreseeable future. Overall, they save on lighting costs and enable effects that with the types of lamps traditional are not possible.

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