LED Bulbs & Tubes


LED bulbs are ready to light your home – tips you should know from Green Sun Energy Plus


LED lighting has got a lot going for it. The lights can be far more efficient than other types of lights, and the bulbs are supposed to last for tens of thousands of hours enough to last 20 or 30 years depending on usage. Unlike CFLs, there's no mercury, the light is instant, and turning lights on and off shouldn't degrade their useful life, according to manufacturers.




The new Lumens rating makes buying LED bulbs much simpler


Incandescent Watts

CFL Watts

LED Watts

Lumens (Brightness)

75 – 100

8 – 12
13 – 18
18 – 22
23 – 30
30 – 55

4 – 5
6 – 8
9 – 13
16 – 20
25 – 28


So no matter what kind of bulb you are interested in, simply comparing lumens will enable you to compare the brightness level each bulb will deliver. After you determine the lumen level you prefer, you can then look to other indicators such as energy efficiency, lifetime run cost, and dim ability to select the ideal bulb for your application.


LED bulbs contain no mercury

One of the hurdles to broad consumer acceptance of energy-efficient CFL bulbs is the presence of a small amount of mercury in the bulbs. The mercury issue with CFLs is confusing because manufacturers reason that actually less mercury enters the environment when CFLs are used to replace incandescent bulbs. A power plant will emit 10mg of mercury to produce the electricity to run an incandescent bulb compared to only 2.4mg of mercury to run a CFL for the same time. The net benefit of using the more energy efficient lamp is positive, and this is especially true if the mercury in the fluorescent lamp is kept out of the waste stream when the lamp expires. However, this reasoning only applies if your electricity comes from coal-fired sources. The presence of mercury in CFL bulbs is real an issue with consumers. LED bulbs contain no mercury, so there is no special concern with handling or disposal of LED bulbs.


LEDs won’t contribute to heat build up in your home

This summer has been the hottest on record, and home owners are increasingly interested in measures which can help reduce the amount of heat generated within the home. Electric lighting is one of the main culprits. Incandescent lights produce ideal illumination in terms of brightness and quality of light, but they also produce a considerable amount of heat. A 100 watt incandescent bulb produces 100 watts of power. From an energy point of view, it puts out 100 Joules of energy per second. In a small closed room, 4 m (12ft) x 4 m(12ft) x 3 m(9ft) or 48 m³ with a single 100w bulb:

48 m³ x 1.2 kg/m³ = 58 kg of air
100J = 1000 J/kgC x ∆T x 58 kg
∆T = 0.0017 deg C, change in temp. Per second

In one hour, the bulb would produce a 6 degree C rise or 11 deg F. This assumes the room is closed to ventilation, so the temperature would be lower if the room were ventilated, or larger. But it serves to illustrate that the heat contribution from an incandescent bulb is significant.LED bulbs, by contrast, remain cool. High power LEDs are designed with heat sinks, usually aluminium struts around the lower bulb, which keeps operating temperatures low. LED bulbs do not contribute to heat build up in a room.


Choose LED bulbs which are UL Listed, not UL Compliant

A light bulb package marked “UL Compliant” is no assurance that the LED bulb has been tested or approved by the Underwriters Laboratory. It only means that the manufacturer has followed recommended UL guidelines in production and technical aspects. A “UL Listed” LED bulb has passed stringent tests put forth by UL, and consumers are advised to look for the UL Listed mark.


Don’t let the sticker price shock you

The initial cost of LED bulbs may be misleading to consumers unfamiliar with the new LED bulbs. While the initial cost of the LED bulb is higher than the cost of an incandescent or CFL bulb, the savings is recouped over time because the bulb will last longer and use less energy than other bulbs. You will see the savings in your electric bill.



We thank you in advance for considering Green Sun Energy Plus and for considering “Saving Energy Today for a Brighter Tomorrow”


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5-7 Villa Road (Beside JPS)
Mandeville P.O.



Telephone :  

876-632-GSEP (4737)



What's New

Extended business hours

To accomodate our customers' busy schedules, we have extended our hours and are now open later.


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Green Sun Energy Plus Limited 2017