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en.wikipedia.org/wiki/Incandescent_light_bulb

An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light ... Incandescent bulbs are much less efficient than most other types of electric lighting; incandescent bulbs ... Some applications of the incandescent bulb (such as heat lamps) deliberately use the heat generated by the filament.

www.earthled.com/blogs/led-lighting-faq-frequently-asked-questions/how-much-heat-is-generated-by-led-light-bulbs

Aug 19, 2016 ... Shoppers of LED light bulbs often ask how much heat is generated by LED ... claims, LED bulbs do indeed generate heat as does anything that ...

www.reptileuvinfo.com/html/watts-heat-lights-lamp-heat-output.html

In other words, it produces about 2 watts of light and 98 watts of heat. ... So the main factors which determine how much heat a lamp puts out, are what type of .... relay on the wattage of the lamp to speculate on temperatures they will produce.

able2know.org/topic/94195-1

Discussion Tagged: Consumer Electronics Heat Light Bulbs 60w Filament, Replies: 21. ... Hoping someone can tell me how many degrees a 60 watt light bulb gets? ... it does not combust since it is in a vacuum. .... of Service :: Privacy Policy :: Page generated in 0.04 seconds on 05/22/2017 at 12:09:14.

www.ledsmagazine.com/articles/2005/05/fact-or-fiction-leds-don-t-produce-heat.html

May 10, 2005 ... An often-quoted advantage of LEDs is that they don't produce heat, and are cool to ... bulb produces around 12% heat, 83% IR and only 5% visible light. ... 25 °C, even though this is pretty much guaranteed to never occur in real situations. ... Sponsored Content is made possible by our sponsor; it does not ...

www.fortnightly.com/fortnightly/2006/08/squeezing-btus-light-bulbs

Incandescent light bulbs create a cogeneration benefit by warming the indoor spaces ... Many public agencies promote replacement by compact fluorescents that ... Compact fluorescents also give off heat, but less, because their wattage is ... By contrast, a single 27-W fluorescent bulb will produce 27 x 3.414 = 92.18 Btus/hr.

scienceline.ucsb.edu/getkey.php?key=4006

First is "how much heat do appliances produce and why?" Second is ... Your 100W light bulb uses 100 joules of energy every second. But how .... Now, the light bulb does produce SOME (namely, 10%) of its energy as light, instead of as heat.

ecomodder.com/forum/showthread.php/lightbulb-watts-vs-heat-emitted-15576.html

I have been using a small light bulb that is 40w 120v to keep it warm in .... a 100 watt light bulb will put out roughly 2.5 times as much heat as ...

www.reference.com/home-garden/much-heat-light-bulb-produce-7899a9ee71e07132

An incandescent light bulb emits 90 percent of the energy it uses as heat. Thus, a 75-watt light bulb produces 68 watts as heat. Most of the power used goes to ...

www.bulbs.com/learning/heat.aspx

Heat lamps operate on the same principles as regular incandescent lamps, but produce much more infrared radiation. This creates more radiant heat, and ...