How to save electricity?

[Harlequin]

limlim:

Harlequin:

One LED halogen bulb is $60+, downlight bulb is $30+.... omg, I must go count how many lights is there...

LED halogen bulb?

I meant the cone shape that looks like halogen, this LED bulb design is for replacing the conventional halogen bulbs.

[limlim]

Busymom:

So LED lights good for eyes. Is it more energy-saving than energy saving lights?

Technically on paper yes lah.. the other time I went to a philips showroom at geylang they also something like 17W LED is as bright as 22W CFL or something like that..

but some folks here feedback that LED of same wattage is less bright.... so.. YMMV lor..

But one thing thou.. LED bulbs are quite directional.. i.e. like a torchlight, they beam forward, unlike CFL which by design can be almost 360deg all round.

So in term of lighting up a big area like a room, the LED may create the impression that it is \"less bright\". But it may in fact be brighter in the area that the beam is targeted at.. so some skillful positioning and orientation maybe recommended. I suspect only lah..

[Nebbermind]

I believe for domestic use, the 1st step is to stay away from halogen (downlight) and incandescent lightings if really wanna save energy.

[Harlequin]

limlim:

Busymom:

So LED lights good for eyes. Is it more energy-saving than energy saving lights?

Technically on paper yes lah.. the other time I went to a philips showroom at geylang they also something like 17W LED is as bright as 22W CFL or something like that..

but some folks here feedback that LED of same wattage is less bright.... so.. YMMV lor..

But one thing thou.. LED bulbs are quite directional.. i.e. like a torchlight, they beam forward, unlike CFL which by design can be almost 360deg all round.

So in term of lighting up a big area like a room, the LED may create the impression that it is \"less bright\". But it may in fact be brighter in the area that the beam is targeted at.. so some skillful positioning and orientation maybe recommended. I suspect only lah..

True true...now that you mentioned this important fact-- the beam is focus and direct.... Good, now I know which lights to change to LED without sacrificing the brightness.... :imcool:

[limlim]

GLORYmum:

May I know which kind of led is good for reading lights that look like a tube fixed on the upper hung cabinet above the table? I have been introduced to T5 and there are china made and us made. Is there difference between the two made besides the price?

I'm not sure what is T5. I suspect it refers to the philips tornado bulb or something..?

basically, there are few types of bulbs

1. LED
2. CFL - compact florescent, can look like twisted, round, butterfly etc..
3. Normal florescent (straight)

CFL and florescent re essentially the same tech, but electronic circuits maybe different. CFL uses electronic ballast, which allows \"instant ON\".

4. Tungsten
5. halogen (spotlight)

I guess T5 is CFL.

[GLORYmum]

limlim:

GLORYmum:

May I know which kind of led is good for reading lights that look like a tube fixed on the upper hung cabinet above the table? I have been introduced to T5 and there are china made and us made. Is there difference between the two made besides the price?

I'm not sure what is T5. I suspect it refers to the philips tornado bulb or something..?

basically, there are few types of bulbs

1. LED
2. CFL - compact florescent, can look like twisted, round, butterfly etc..
3. Normal florescent (straight)

CFL and florescent re essentially the same tech, but electronic circuits maybe different. CFL uses electronic ballast, which allows \"instant ON\".

4. Tungsten
5. halogen (spotlight)

I guess T5 is CFL.

Thank you, limlim.
I m still quite blur about the choice of reading lights. I was hoping to find a flicker less, energy saving yet bright enough reading light for my dc study table.

[limlim]

Busymom:

If we want to have an extra thermos flask of hot water, instead of getting another hotpot, would it be better to use the existing hotpot to boil water (and transfer to thermos), or use an electric kettle (don't ask me to use gas as I don't want to end up with a burnt kettle).

My humble opinion is..

Get those hotpot that adverted to be energy saving, can keep warm w/o power type ( e.g. Vacuum - Electric types). Even if you just use it to boil water and not use the keep warm function. Some brands I came across can keep water hot for approx 6hrs w/o power.

You can check with the shops, just mentioned VE - vacuum electric.

Reason is, these hotpots are designed with insulating walls that prevents heat loss. It also means, most of the heat are retained inside while the water goes to boil, so less energy wastage during the boiling cycle.

electric kettle is the worst. the whole pot made of metal, a good conductor of heat. Surely a lot of heat loss in the process of boiling.

How significant.. I can't say lah.. but confirm VE hotpot use less energy than kettle.. based on theory.

[limlim]

GLORYmum:

Busymom:

[quote=\"GLORYmum\"]



May I know which kind of led is good for reading lights that look like a tube fixed on the upper hung cabinet above the table? I have been introduced to T5 and there are china made and us made. Is there difference between the two made besides the price?

Isn't T5 fluorescent light?

I Thot so too but the guy at Philips showed me a linear slim looking tube like lights which they said is led n brighter n better than traditional fl.[/quote]There is a type of LED bulb (or tube) that look like normal FL, straight. It is LED. But I guess they should not call it T5.. T5 shd be CFL.

different technology.

[GLORYmum]

T5 looks like a fluorescent bulb but energy saving.

Is it advisable to use on study table?
May I know Wat would b a preferred tube-like light fixture on the study table ?
http://www.philips.com.sg/c/other-light-bulbs/t5-essential-14-w-g5-warm-white-927925983058/prd/

[limlim]

Jennifer:

limlim:

Why don't you just install a sensor tap..... save the trouble..

I always thought sensor tap runs on electricity?

Yes.

Small amount of electricity expended to save water.