Lighting. Saturday , September 22nd , 2018 - 01:30:00 AM
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.
Contemporary lighting designs have impact. When installed, contemporary lighting can add a distinctive character to your garden. It's also very flexible in that it can be used to great effect in lots of different styles and types of garden. There are also lots of different contemporary lighting designs to choose from. You can select those that fit in with the architectural features of your home.
So what energy savings options are there? Everyone is talking about Light Emitting Diodes (LED) at the moment and rightly so given their dramatic advances recently in lumen efficacy and lamp life. Depending on the application, compact fluorescents (CFL) and halogen energy savers are also an effective way to save energy. In most cases a retrofit replacement lamp can be found and energy saving bulbs are available in all the normal cap types including bayonet, Edison screw, GU10 and many more.
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