Since most household bulbs are 40w 60w 75w or 100w you may be able to memorize their equivalent lumens.
100 watt incandescent light bulb vs led.
It simply means that the bulb whether cfl or led is able to produce as much light as a 60 watt incandescent.
It would only take a 16 watt bulb to emit as much light as a 100 watt incandescent bulb and it would use only 140 kwh of energy over the year.
Total purchase price of bulbs over 20 years.
100 watt equal led light bulbs if you are still using 100 watt incandescent bulbs it s time to upgrade to 100 watt led bulbs.
100w led light bulbs have an assortment of color temperatures that can affect the look and feel of your spaces.
While the math for the cfl bulbs is simple the led bulbs are even more energy efficient and durable than compact fluorescent light bulbs.
While the general rule of thumb with incandescents is the higher the wattage the brighter the light with energy efficient bulbs which all use very little power you should be paying attention to lumens instead.
Leds require less wattage than cfl for the same amount of light.
Dimmable globe led bulbs designed for bathroom vanities or anywhere a globe bulb is required these bulbs produce light equivalent to a 40 watt incandescent bulb yet only consume 10 watts of power.
Average cost per bulb.
Cost of electricity 25 000 hours at 0 15 per kwh.
Lumens for incandescent bulbs are.
The electric cost would be just 21.
Oh and one led would last the entire year.
Available in 40 60 75 100 watt equivalent.
When dave connects incandescent bulbs to an amp meter they draw up to 1 6 amps but when led lights are used they only pull about 26 amps.
However because lumens per watt vary for both incandescent and led lights it s easier to use a wattage to lumens comparison chart.
40w equals 450 lumens 60w equals 800.
The difference is significant especially for rvers who do a lot of dry camping.
Life span of led vs.
Bulbs needed for 25 000 hours.
Some of the common wattages vs.
Led viribright watts used.
A 100 watt incandescent lamp that emits 1200 lumens of light has an efficacy of 12 while an equivalent 12 watt led bulb that emits 1200 lumens has an efficacy of 100 which is more than eight times higher than incandescent so use very less electricity while emitting the same amount of light.