Now you might think that it would just be a matter of swapping every existing incandescent light bulb for an LED equivalent, however I really would suggest that you don't go down that route. For a start the up-front cost would be quite steep, but perhaps more importantly it would jeopardize the likelihood of a successful outcome.
LED lighting is a wholly different technology to anything you might have experienced before and it takes time and a bit of trial and error to figure out what works best for your particular lighting needs. But when you get it right, the payback is more than worth it with a clean contemporary look that also delivers a massive drop in electricity costs.
Accordingly, you ought to pick a location that you planned on refurbishing anyway or that otherwise uses a great deal of lighting (either lots of lights, or lights left on a lot). The likelihood that you will quickly notice a difference in operating costs (and also light quality of course) will be thus enhanced.
It's important to get off to a good start in this way as it will encourage you to then take another step further towards the final goal of switching totally from incandescent to LED. For many, if not most, people then it is the kitchen that invariably matches these criteria - it typically has a lot of lights that get used a lot and refurbishing the lighting provides a relatively cheap makeover.
The average modern kitchen tends to feature a sizeable collection of halogen spot lights (typically either recessed or set on tracks). The amount of electricity that these literally burn is quite extraordinary, yet replacing them with LED lamps that consume a fraction of the energy is no more complicated than pulling out the old halogen and pushing an LED back in its place. At least for GU10 LED lamps it is - for the low-voltage MR16 format you should also replace the existing 12v transformers with one or more LED drivers.
The same holds true for concealed lighting tucked under, above or inside cabinets as these too can be replaced with LED strips or mini spots. This is also a great opportunity to add lighting whilst you're at it since LED strip lighting is easy to install, lightweight, and is packaged in a variety of forms that can be trimmed or joined as required. LED lighting to accent covings, plinths and set into kickboards to illuminate the floor are all popular techniques.
Three key considerations should be borne in mind with regard to LED lighting.
1. Quality. It's true that in general quality costs more but with LED quality counts for everything; so be prepared to pay a premium and avoid the path that leads to false economies and disappointment with cheap products. Look for recognised brand names such as Sharp Zenigata or anything using Cree LED technology. Remember, incandescent light bulbs are also cheap and yet they cost vastly more in running costs over time.
2. Cost of ownership. There is way more to the cost of lighting than the price of the light bulbs. A typical 50w halogen lamp can cost upwards of 1,000 times the purchase price in terms of electricity usage and replacement costs over a period of 50,000 hours. By comparison an LED of equivalent brightness can be 10 to 20 times as much to purchase but will cost about the same to run over 50,000 hours as it cost to buy the bulb in the first place. The true cost of ownership for LED is thus easily 50 times less - and that's an awful lot of money.
3. Usage. An issue many people have with LED light is that it can be both blindingly bright yet unable to project luminosity over distance. An easy way around this is to direct the lighting away from direct line of sight and reflect it off walls, floors, ceilings and features in the room. The obviously accents interesting aspects in the space with the added benefit that it also produces a softer light that does then spread out well. It does however require more individual light units to create this effect than if using conventional incandescent general lighting.
To find out more check out these articles that look at the subjects of Zenigata GU10 and replacing halogen with LED in more detail.
Get all the information and photos:: http://coringa.info/technology-and-gadgets/how-to-move-to-led-lighting
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