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jim2RRs



Member Since: 07 Feb 2012
Location: Genesee, Colorado
Posts: 147

United States 2005 Range Rover HSE 4.4 V8 Chawton White
LED lights... at home!

I have an unheated (but attached to the house) 2-car garage.
I had 4 flourescent fixtures on the ceiling, each with 2 4-foot 40-watt tubes.
They worked OK, but in the winter, they would flicker on start-up, and the tubes only lasted about 2 years before replacement. That's about 1000 hours of use. The cold is rough on floros.

So, I found some 5-meter LED strips; 300 LEDs each, 24 watts per strip at 12 VDC.
Replaced the floros with the LEDs.
The LED strips are about a meter apart, giving me totally even light across the entire garage.

LED cost was around $80 including shipping.
I already had a huge 12 VDC power supply.

My electricity cost is 12.2 cents per KWh.
Including the replacement cost of the tubes, the LEDs will pay for themselves in just under 3 years.
WIN!

The LEDs have a "rated" lifetime of 100,000 hours. Even if they only last 50,000 hours, that still works out to 100 years!

Hey, Electric Company!
Bite Me!
Bwahahahahaahahaa! Smile Jim
2000 NAS HSE
2005 NAS HSE

Post #137655 24th Aug 2012 6:25pm
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stan
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Member Since: 13 Jul 2010
Location: a moderate moderated moderator moderating moderately in moderation
Posts: 35392

United Kingdom 

done the same in my kitchen/diner but with 4 watt gu10 smd's....ten of them and only 40watts used.. ... - .- -.




Y. O. L. O.
.

Post #137663 24th Aug 2012 7:54pm
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RCusden



Member Since: 12 May 2012
Location: NarberthPembrokeshire
Posts: 186

Wales 

Do you get a good light pattern with them compared to normal halogen bulbs for in the house as it has been said on here that you don't get the spread of light
Roger

Post #137674 24th Aug 2012 9:34pm
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BrianC



Member Since: 15 Apr 2009
Location: central belt
Posts: 1429

Scotland 

Led lamps have changed a lot in recent years.
There are lots of different types available
I use ge 4.5w lamps equivelant to 35w(more like 50w)
Really good and the savings over a long period will make it worth while
One thing to note, if the lamp says it will last say 25 years it all depends how many times it is switched on and off
As well as how long it's actually on Thumbs Up

Post #137676 24th Aug 2012 9:46pm
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kingpleb



Member Since: 07 Jun 2011
Location: Maybe here. Maybe there, I get everywhere!
Posts: 8455

United Kingdom 2005 Range Rover Vogue Td6 Bonatti Grey

As above I'm interested in the gu10 ones as some places I've looked at have loads of the things in the house, one was about 40+ as they were everywhere!! They do say try replace them a lot as thu are only a quid for 2 at te local shops and all but still it's more the fact of getting a step ladder and sucker out an getting them out an new ones in. Going to try some at my folks and see if they work for a hole just replacing es and ses first. Already got some super lights for outdoors that don't chew power and have lots of spare bulbs for them Smile

The more times they are turned on and off the quicker try will die, simple rule for anything electrical, why my amp and tv always stay in standby unless I go away for a few days as they take a tiny bit of juice but won't fail so soon Smile

Good work though Jim Thumbs Up FFRR MY06 facelift With TDV8 Alloys Zeros/ATR's
Mantec Sump Guard, Rigid Load liner, MY10 BT upgrade.

Post #137679 24th Aug 2012 10:05pm
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jim2RRs



Member Since: 07 Feb 2012
Location: Genesee, Colorado
Posts: 147

United States 2005 Range Rover HSE 4.4 V8 Chawton White

The LED strips I got have a 120 degree beam spread.
That's why I spaced them the way I did; the light from adjacent strips overlap at 6'6" off the floor.

I've seen some LEDs to replace standard bulbs, but I've not tried them.
I did replace the 40-watt globe bulbs in my bathroom with CFLs.
12 40-watt bulbs became 12 15-watt bulbs.
Those ones are on about 2 hours a day, saving me about 22KWh per year.
At 12 cents per KWh, annual savings is around $26.

Cost was under $3 each, so they're paid for pretty quickly, too.

Next up, photovoltaic panels! Jim
2000 NAS HSE
2005 NAS HSE

Post #137681 24th Aug 2012 10:24pm
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JOKER



Member Since: 11 Sep 2008
Location: Sconnie Botland
Posts: 15876

Scotland 

Funnily enough I have just ordered 64 LED's as SWMBO'd is wanting the biggest majority of the downlighters in the house changed to these type of bulbs company supplying me them are £10 a bulb so with buying in bulk they gave me a discount of £1 a bulb ....... Generous or what Laughing

There"s Cool white , Warm White or some other friggin White , jesus what happened to the good old days when a white bulb meant a white bulb Rolling Eyes Rolling Eyes

Post #137691 25th Aug 2012 3:17am
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stan
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Member Since: 13 Jul 2010
Location: a moderate moderated moderator moderating moderately in moderation
Posts: 35392

United Kingdom 

normal gu10 bulbs , be they halogen or smd have a beam spread of 38 degrees resulting in a 'spotligt' effect... for an even spread of light you need at least a 120 degree spread ..also a lot of ebay sellers sell the smd bulbs without a glass cover [cheaper] and the smd leds exposed, i have the glass covered ones and they do look much better.. ... - .- -.




Y. O. L. O.
.

Post #137737 25th Aug 2012 8:44am
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