Lighting. Friday , September 21st , 2018 - 15:41:20 PM
Firstly, it is important to consider the full range of activities that will take place in that particular room. Your choice of lighting should be tailored to match these activities. For example; whilst a general light may be suitable for most bathroom activities, you may choose to add wall lights next to, or above the bathroom mirror to make it brighter and therefore easier to shave, or apply make up in that area. In this example, wall lights would also eradicate shadows that would be cast by a ceiling light.
Light quality and colour can dramatically change the appearance of a room so it is important to get this right. You wouldn't, for example, want bright white lighting in a bedroom, instead a soft warm white ambiance would be more suitable. When choosing a light bulb you first need to decide which colour temperature you require. Colour temperature is a measure of how warm or cool a colour appears. It is measured in Kelvin; the standard measurement for lighting output in addition to lumen output. Colour temperature is derived from the colour of light produced when carbon is heated. The Kelvin Scale ranges from extra warm white at 2,700k giving a warm yellow glow, to white at 3,500k, cool white at 4,000k and daylight colour at 6,500k which produces a white blue colour. LED, CFL and halogen energy savers are all available in a range of colour. Complaints have been made in the past about LED giving off a cool blue light but with the improvement in technology, as long as you buy a good quality LED this should not be a problem. It is then important to look at the colour rendering index (CRI) which shows to what extent the light will make an object appear its true colour. An incandescent bulb is rated at 100% because its light contains a full spectrum of colour. CFLs do not contain the full colour spectrum but a good quality triphosphor fluorescent rated between 80-90% will be sufficient for everyday use. Higher rated CFLs can be obtained but are usually only used by designers or artists and are less efficient. It is advisable not to buy a light bulb which scores below 80% on the CRI scale. Energy saving light bulbs have received a bad press at times because of the light they produce, but this has tended to be because many poor grade CFLs either brought from supermarkets or given out for free by energy companies have come onto the market.
Solar-powered lights are becoming more and more popular, saving money while reducing energy consumption. As technology improves over time, batteries are made to charge quicker with less light and provide energy for a longer time. Light bulbs also become more efficient, using less power to emit more light, resulting in greater energy efficiency and better products for the consumer and of course for the planet. Aside from reducing energy consumption, solar-powered lights offer an additional advantage in that they do not require any wiring and can therefore be placed almost anywhere in the garden, as long as they have enough sunlight in order to charge their batteries during the day. Solar-powered garden lights often include a function to turn on automatically after dark, so it's a 'set and forget' product that is truly low maintenance.
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