LEDs are the clear winner over CFLs for long term performance. LEDs are much less toxic than CFLs because they do not have any mercury, plus they are easy to install in existing sockets. The Operating Life is 30,000 - 100,000 + hrs (10 + years), with Solid-State, Fast Turn On, and No Power Surge. They are High Shock / Vibration Resistant, and provide the Major Power Savings.
Voltages Available include 12V DC,24V DC,110-130V AC,220-240V AC. They also provide Major Reduction in Heat Generation and a Choice of 5 Colors. One LED light bulb can easily outlast 30 incandescent bulbs, or 6 compact fluorescents! LED bulbs cost less than the bulbs they replace. Operating 12 hours per day, LED light bulbs can last 7 years or more!
Property owners can help bring the price down by buying more bulbs to increase the demand and the mass production. Now, innovative 'Savings Share' programs are in place where the property owner only pays for a percentage of the actual savings each month. This Zero upfront cost solution delivers positve cash flow from the very first month. See: LED Saving Solutions
With the mercury in florescent lighting, LEDs are the obvious choice. A 25 Watt CFL is equal to a 100 Watt incandescent while a 16 Watt LED will have the same light output as a 100 Watt incandescent. A CFL will last 10 times as long as an incandescent, but an LED will last 100 times as long.
The ROI Calculation is based on 20 bulbs. To get perspective on the savings, also see the Compact Fluorescent Lighting Calculations.
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For Specialty Auditing, go for a Lighting Energy Audit. Since the latest generation of LED Lights is one of the most cost effective retrofits, you can see paybacks on 24/7 areas like fire stairs within a year and half and other areas within three years: Lighting Audits.