Incandescents Might Yet Serve

Sorry for the error: have meant "lighting" - not - "lightning" in my post.

Thats too bad, Lightning would have been much more interesting.

I would suspect the amount of actual heat would be fairly low in comparison to an actual heating system, but Shirley (yes i said Shirley, and I await the appropriate response) is would add a little something. Doing a direct comparison to the heat energy which the heating system will not need to supply (Incandescent) and the energy saved with less heat given (fluorescent) might be interesting... In the end which would consume less energy?

(my guess is they would be fairly even, but thats just a shot in the dark with no calculations)

Must.. resist....

....

I am serious... and don't call me Shirley

(Your welcome )

Dan

I ll be frank with you" "No you wont! you were Frank last night"

It seems to me that the applications that would require just exactly the amount of heat an incandescent puts out, much less those those applications where you aren't allowed to use electric heating but could sneak an incandescent bulb in are so rare that they don't really bear considering.

And don't forget - even though incandescent bulbs are cheap now, as they are largely phased out by fluorescents and (hopefully) soon by better technologies (such as the various LEDs) they will likley become somewhat more expensive per bulb to produce. Perhaps not much - but it's worth considering.

And don't call me Shirley.

can you say easy bake oven

I was thinking dog house, but, yes.

I think it's a valid point, but it should also be pointed out that if a space needs to be COOLED, the opposite would be the case! Incandescent lighting will ADD to the heat load that a cooling system must overcome. If used in a house with a temperate climate that must be heated in winter and cooled in summer, then unless you changed lighting types with seasons, the net effect would likely be nil.

I highly doubt incandescent lights will ever be 100% phased out.

There are just too many applications where even the best CFL's and similar lighting devices just don't cut it. Blinking signage cant use CFL's and many of the even very good LED's just don't have the color, brilliance and near 360 degree spherical lighting spread that a simple incandescent has. A LED light may be available that can cover those requirements but if its a 100 times the cost of its incandescent equivalent that still buys a load of cheap power.

I think that for the mentioned lower heat load applications they will still hold a fair market share. And in countless other applications as well. They are the cheapest high wattage power resistors I have yet to ever find! And they give instantaneous visual feed back of the power level they are running at.

In South Australia you cannot get incandescent globes, they are banned.........don't know about other states in Australia.

It appears that in Australia we have some fairly stringent regulations, for instance:-

(a) You require a refrigeration licence to be able to service any refrigeration system and to be able to purchase any refrigerant. If you wish to obtain your certificate and you are not a "fridgie" the RPL requirements and examinations are very strict.

(b) In cities and suburban areas incinerators are banned and you have to sort your rubbish out into general household rubbish (food scraps, most plastics, and recyclables.

(c) In South Australia, plastic bags have been banned from use in all supermarkets and delis.

..............and one could go on!!!

I guess it is news to me that heating by electricity is prohibited in many places. Where? And what do home owners do who have electric heat and by the way, electric stoves, space heaters, etc use electricity to heat.

I don't think we should have either/or. It's great that we have different types of lighting to choose from. Each type, Incandescant, Flourescent, LED, have good and bad points, and requirements, parameters, restrictions differ with each usage. I would hate to see any phased out because there are places where each is superior to the others.

Please see this two links (a part of my still incomplete research)

2007 and 2008

The incandescents were about to make a come back with high efficiency but obviously low heat .

But then it i think now everywhere the legislatures and bureaucrats win .

BTW- my research was on high mast lamps for my shop floor. I am yet to find the most appropriate solution.

The Metal halides major is trying to sell it to us. But all the literature points the drop in light output over its lifetime to be too high.

LEDs I heard are prohibitive in cost as on date and also I am not sure about its suitability in an work shop high mast lighting. (Current Hg Vapours of some 20 years old we are trying to phase out - fixtures at some 15-20 mt height) Any one with experience of various types?

I have metal halide in my shop and have sold and installed around 200 others over the years. They do fade but without a new bulb to compare them to you probably wouldn't notice until the day they die. The run time on the higher quality commercial grade bulbs can push over 20K hours!

In typical regular 8 hour day use you still get about 6 -8 years of run time. Home shop use may reach a few decades! The energy savings alone easily off sets the using of any other type of light fixture. Even when they are old and dim the color rendition is still far superior to fluorescents or any other HID type bulb that is new.

I personally recomend them for any application requiring good clean white light and a long and efficent life exspectancy.

I work construction, where we use a lot of temporary lighting. We use incandescent lamps as they are inexpensive and don't create an envioremental disaster when a lamp is broken. Also, I have not seen a sensor lamp that will work with a CFL. Even dusk to dawn sensors don't like CFLs. I think incandescent lamps will be here for awhile yet.

Well its an interesting subject.Just by Killing age old incandescent lamp its assumed we would save energy or go GREEN is whats circulating among GREEN engineers with out even looking at How much electrical energy we are draining with the use of Sodium vapour lamps,Mercury Vapour lamps and Miniature sodium vapour lamps thats been recommended by Interior Decoration consultants all over and used in every commercial buildings (In most of the countries in Indian subcontinent),Star hotels and Advertisement displays .Can any one make a wild guess How much of increase in energy consumption takes place in terms of increased heat load on air conditioning plant and subsequent increase in electrical power demand on the grid and backup generators, and whats effect on carbon and particulate emissions, i suppose its high time DOE,ASHRAE and IEEE and GREEN engineers have a look at it.

crm

Include the Halogen lamps, which are scattered all over hotel lobbies, conference rooms.

dear Moderator i was wondering when i was demoted to active user (like incandecent lamps,) from power user !!!!! no doubt i am ageing

crm

We heat our house for 8 months and cool for 4.

I switch out 400 watts alone in the kitchen for the cooling season and put the incandescent back in for the heating season. It helps provide a nice background of heating while the location is being used, then turns off as the lights go out at night.

The switch to CFL for the cooling season does allow more efficient cooling.

why not just use a space heater of the same value the new ones are even oil radiant heat and consume less power than a light bulb. conservation of power verse free heat then you wouldn't need to replace light bulbs every 4 days.

But then I would miss the nice colour balance that 75 watt floods provide!

The total cost of ownership of CFL's is still in question. Higher inital cost, hazardous (mercury), proper disposal (I bet most end up in the landfill), etc.

Somewhere I read an article suggesting the old tungsten lamps still have a lower total cost of ownership and don't pose the environmental issues.

The lower room (family room) in my house is very chilly in winter. I use Halogen lights in winter and they warm it up quite a bit. In summer we don't need as much lighting in the room and we can use flouescent bulbs to minimize heat gain.

The heat generated by incadescents and halogens can and will noticably raise room temperature. I use CFLs in the summer to minimize heat gain in the house.