salsa-king

check out the Energy Saving Lightbulbs | GU10 LED | Halogen Lightbulbs | Downlight | Showerlight site, they have 9w CFLs on offer at £2.99 each.

i've just orderd 13 of them and 8 of the 11w bulbs.

salsa-king

good point lol

Klaatu

Turn them off when not in use. You'll save a shed load of power.

corradoboy

I've often wondered about light switches with movement sensors to do the switching for you. However, we have these at my workplace in the loos, and they are a dreadful idea in practise. You barely get 3-4 pages into a magazine before you have to flail your arms around to click them back on, and the really silly thing is they've been fitted to fluorescent strip lights which use the equivalent 4 hours of 'left-on' electricity to fire up, so each time someone goes for a read they could be using the same as 12-16 hours of power I have considered informing my bosses of this, but they're the sort who are always right about everything, especially in the face of knowledge, fact, proof and evidence

Klaatu

We have eco-dunnies too at work. most of the time, the "eco-soap" dispensers just keep dispensing, leaving soap all over the floor. We also have "eco-lights", but fortunately they don't turn off when you are laying fudge cookies, well, not that I've been "laying" so late anyway.

TopBanana

I think that's a bit of a myth, it's more like 30 seconds or so equivalence I believe.

Would be interested in how everyone gets on with their GU10s - we've 8 in the kitchen.

salsa-king

My order of 13 9w GU10's arrived today...
YourWelcome Low Energy GU10

BUt they don't fit my downlighter... (has a metal ring clip holing the GU10 in place) rang them staright up and they said some they fit soe they don't.

But the 11w GU10's that are on back order will fit. so I've re ordered 13 more of the 11w GU10s from Energy Saving Lightbulbs | GU10 LED | Halogen Lightbulbs | Downlight | Showerlight as they seem o have the correct bulb size that fits the ring clip down lighters.


He also said the 8x 11w GU10 CFLs will give out the same sort of light the 50w halogens do in our Kitchen.

Allan

iTrader: (1)

Phil, have you taken into account the 9W and 11W are generally a longer unit ? I think they are about 75mm.

salsa-king

it was the bit above the neck stopping them fitting, the guy said the 11w's are slightly different.

I already have these.. in 5w


and they do fit the down lighters we have.

Allan

iTrader: (1)

If they are going into an open style fitting then length shouldn't be a problem. I have a couple of exterior sealed fittings that will only take the standard length, so I'm limited to 7W.

corradoboy

This 'myth' was told me by a friend whom worked in the Ring Lighting testing lab, specifically on power consumption data collection. It was many years ago (late 80's) and newer units may be more efficient, but he definitely stated that about 4 hours of constant running was the equivalent of one extra switch on on an average domestic fluorescent tube fitting. We were discussing it as I was getting grief from an idiot manager at my first job for leaving a light on (it was actually others using it after I left, but I always got blamed). Armed with my new information I switched my light off and back on maybe 100+ times a day thereafter, much to the idiots satisfaction. He may have been wrong, so therefore so may I be, but that was how I understood it.

speedking

Lighting Design Lab linked through Wikipedia.

corradoboy

I stand corrected.

corradoboy

My CFL's arrived today and on first impressions they are perfectly adequate for the job. I have an 11W and 13W, and the 13W looks dimmer than the 11W On start-up the 13 looks like the front part of the tube coil isn't glowing so maybe there's a problem on that one The 11W are close to the brightness of the 50W GU10's, but very slightly dimmer, so I think I'm gonna order 13's for the full replacing of the 50W'ers. The company I ordered from also sent me a 10% voucher today

On the downside, when I went to try them in the bathroom I was reminded that the ones in there are 12V MR16's and they don't seem to do CFL's to replace those I am considering changing the fittings (& related wiring) for some GU10 holders so I can use them however.

MMT WRX

Bloody hell your all turning into eco warriors

You'll be chopping yer 250Kw scoobs in for 60Kw Micras next

salsa-king

can you post some pix of the different bulbs please, are they slightly different in size?

corradoboy

I already chopped my 240 lb/ft Scooby in for a 312 lb/ft car that does 30-70 in 6s, yet can also do 65mpg

CFL vs Halogen



...and 12V MR16 Halogen....



....note the pin fitting instead of the 'twist' bayonet style

They're about 15mm longer, but in my kitchen spotlights they don't detract from the overall visual effect once fitted, and in most down-lighter applications, the outer-face rim is the mounting point so they'll look exactly the same with the separate bulb-holder being slightly higher into the ceiling space.

corradoboy

OK, now ordered some of THESE....



...and just need to fit in place of the 12V items and get rid of the transformers.

AndyC_772

iTrader: (2)

Are you sure he was talking about energy consumption, and not tube lifetime?

If the start-up cycle lasts, say, 1 second, then for a 10W bulb to draw 4 hours' worth of power from the supply, it would have to be drawing about 150kW - the energy equivalent of ten electric ovens or showers. The circuit breaker would trip, of course. It's simply not possible to draw that amount of power from any domestic supply, the wires would melt.

salsa-king

Ok Ok Ok, the 11w GU10's arrived this morning.

Guess what, these are just that bt too long to fit the down lighter, being 76mm there only a few mm too long and i can't get them to fit in place and have the metal clip to hold them.

But i did turn the 11x GU10 CFL on and it only too a few seconds to come bright... very bright. I would say a all over brighter light from it than the 50w halogens.

whereas the halogens seem very bright just from the centre of the buld, these 11w CFL GU10 have the light all over the face of th buld and not just centred.

I've now sent to 11w back and re orderd 57mm long 7w CFLs, these should be fine.

salsa-king

the 7w CFLs arrive today and they fit!!! so far happy with the results, take about 45 secs to warm up.. but impressed with the light given off from a 7w, to say we had 50w before... now saving a load on electric

Neil XR

iTrader: (1)

salsa

got the link for the 7w cfl and whats the damage on the price

corradoboy

My 13w's are up and running in my kitchen and once warmed up they are nearly as bright as the 50w's. It does take about 2 minutes for them to get up to full brightness though, which means I will have to rethink the bathroom usage. I might fit a double switch and have 2-3 halogens for quick light and the rest CFL's for prolonged use

AndyC_772

iTrader: (2)

I wondered about the price and potential saving too.

In our kitchen we have 8x 50W spotlights. They're on for about an hour a day, so that's 0.4 kWh a day, which costs about 4p. Therefore, total electricity cost for the year is about £15.

Might actually be worth it, if they're cheap enough...

salsa-king

same set up as us ow come you only have hm on an hour a day, now its winder ours are on in a morning from 6:30-till 8, then when we come home after 5pm till 9ish

The 13w were too long to fit our fitments the 9w were too.
the 7w mini CFLs are just right. Jo's in there now cooking and the lights fine, not as bright as the 13w. But to say these are only 7w its impressive.

YourWelcome Low Energy GU10



work out cost...
calculatorv3b.xls




If you buy on line from YOUR WELCOME, there 5% discount code is EAGLEOWL in uppercase.

wagrain

£6.98 each!!!!!!

I changed from 50w to 20w halogens and it cost me a fiver for a pack of 10.

Don't think I'll be doing the CFL route until they come down in price by 90%.

salsa-king

going from 50w to 20w!!!! omg, do you walk round with a touch in hand so you can see lol
I take it your 20w bulbs aren't used as main light for the room then?#

20w wouldn't be enough light in our kitchen as its the main light... same as the hall and landing lights.

wagrain

Its more than adequate, 10 x 20w is 200watts of lighting which is plenty for the kitchen. We do have under unit lighting, but rarely use it.
Plus we don't have to wait an age for them to "warm up".
We turn the lights on when we go in and turn them of when we come out. Probably only have them on for a couple of hours a day at most. We don't "live" in the kitchen, just use it as a kitchen so don't spend vasts amount of time in there in the evenings. Make breakfast in there and take it through to the dining room to eat / drink.

But I suppose everyone uses there rooms in different ways so its going to vary.

But in no way is our kitchen dark with 200watts of halogens in there!