Uv Light From Compact Fluorescent Bulbs – If you haven’t given the subject of lighting much idea lately that’s probably because, in common with most people, the phasing out of conventional incandescent light bulbs has not been exactly uppermost in thoughts. That is not all that surprising; having the ability to switch the lights at will hardly seems like a big thing. We all do it all of the time and as priorities go the entire business of lighting is off the radar. Yet the passing of the incandescent light bulb continues quietly yet relentlessly and at under a few years now the sole products carried on shelves will probably be low energy light bulbs, of which there are two types: CFLs (Compact Fluorescent Lamps) and LEDs (Light Emitting Diodes).
Currently, the majority of low energy light bulbs accessible are CFLs which are a few four times more efficient than incandescent bulbs (i.e. they just waste about 25% of the energy as heat, compared to 90 percent). But, CFLs are widely disliked by consumers, manufacturers, and environmentalists. They have very poor aesthetic qualities (not actually want you to want for lighting), they’re awkward to dispose of safely thanks to their mercury content, and they’re complicated and costly to manufacture.
LEDs on the other hand score well on these points and quite a few more besides, the most obvious of which is that LEDs aren’t just 10 times more efficient than incandescents at current, but they double in performance every 18 months or so. |} The implications of the (called Haitz’s Law) are astonishing; in 3 years we must expect to see LED light bulbs which are 40 times more efficient. It is no surprise that the lighting industry has en-masse chosen to abandon CFL development and concentrate on LEDs.
So should you be buying LED light bulbs at the moment? This very much depends upon whether you shout at the prices quoted (compared to both incandescent and CFL light bulbs, LEDs still cost several times more to purchase) or whether you can do the math and realize that the savings in electricity consumption will more than repay the investment within the first couple of years. And because modern LEDs last over 50,000 hours (compared to 2,000 for routine light bulbs) the return on investment just keeps rolling.
Now some people will assert that it makes sense to wait till LEDs are both cheaper and much more efficient, but if you run the math you may find that in fact, it’s better to substitute perfectly usable light bulbs with LEDs today and then plan to replace them at a couple of years, even though they will still have years of life left. How so? Because the price of electric lighting pretty much equates to the price of electricity – it is all in operating costs, not the hardware price.