LED lights are the lights of future. Apart from
First of all, you should decide if you want the facility of dimming your lights or you want them to be delivering full light all the time. Including a dimmer in your lighting arrangement adds to your cost and you may not be very happy with the results. LED lights with dimmers don't work the same way as fluorescent or incandescent lights do.
There is no problem with dimmers as far as adjusting them for maximum light is concerned, but the problem is adjusting these for minimum light. The minimum adjustment enables to you to get 25 percent of rated light. The light will not get dimmed to the same level as in case of incandescent lamps.
Usually, there is no problem of these being compatible with the existing cavity in your ceiling. Though LED generally needs slightly more depth, most of them can be tailored to fit in. You may not necessarily need to modify them as many are compatible, needing no alteration. Though you get ready to use charts that help determining compatibility, it is recommended to check with your electrician and be sure. Your electrician can also make necessary modification in cans enabling them to accept LEDs.
You get these lights in different diameters, varying from two to six inches. They come in a large range of designs and surrounds that hide the cans. So, you can get one in any design or style that may suit your design requirements.
You get a variety of bulbs to be used in down lights. You can buy one and replace the existing one as long as the two bases are compatible. Moreover, you can have LED's made to match the specifications of your ceiling cans. That is helpful when you want them for new construction. You can also procure puck lights.
There is little doubt that in the long run you are going to save money on your electricity bills. You should consider buying LEDs as a form of investment for your home as you won't be required to replace these as frequently as you might have been replacing incandescent lamps or even CFLs.
You should know for what purpose you are going to use LED down-lights. That enables you to choose the one that is most appropriate for your requirements. You may require one with just on/off facility or it may be worthwhile to have one with a dimmer. And, the best thing is you get unlimited number of designs and styles to choose from.