Lighting. Sunday , September 16th , 2018 - 16:38:23 PM
The type of lighting to be used is largely determined by the effect that is to be created as well as the way that the area is to be used. For example, a garden patio may have subtle lighting that will create a comforting, relaxing atmosphere, whereas a fire pit area may use a central fire as the only light source. Too many lights spread throughout the garden will tend to look utilitarian rather than homely. Focal points such as large specimen trees, feature walls or art work benefit from lighting. Quite often it is the features that you enjoy in your garden during the day that you tend to also want to see after dark.
Switching to LED lights is easy too. With less effort than it takes to remove, clean and repair a standard incandescent nav light, you can install an LED unit in its place. Companies like Magnalight offer LED navigation lights that require little more than screwing the unit into place and hooking up the wires to finish an installation. With a couple hours of effort, you can switch out all your navigation lights with LED units and reap several years' worth of almost maintenance free operation. It's no wonder then that LEDs are quickly making the incandescent navigation lights a thing of the past.
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.
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