120v outdoor lighting recommendation

1237 Views 4 Replies 2 Participants Last post by noone, Jul 5, 2011

noone

Discussion Starter · Jul 5, 2011

Our new-to-us house has 120v outdoor lighting that needs to be replaced. They are all uplight cans with spot floods in them used to light up trees and the faces of the house.

I was thinking about replacing them with these. Are these of descent quality?
http://www.electricbargainstores.com/rab-qb1b.html

I went by Home Depot and they didn't have much in outdoor lighting, so i'm looking for buying recommendations either from the web or locally.

Thanks for any suggestions.

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brric

· #2 · Jul 5, 2011

Rab is a good quality manufacturer. You might consider some LED lighting to lower electrical consumption. Check your current lamp wattages to insure you don't overload the existing circuitry.

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noone

Discussion Starter · #3 · Jul 5, 2011 (Edited)

brric said:
Rab is a good quality manufacturer. You might consider some LED lighting to lower electrical consumption. Check your current lamp wattages to insure you don't overload the existing circuitry.

All the current lamps use 90 or 100 watt floods. I was thinking of just using 75 watt floods on all of them and see how that looks. Perhaps buy 40 watt bulbs if it looks too bright on the house spots. Thoughts?

Do you have any links to some LED lighting recommendations? Seems I recall those being much more expensive than the 17 each lamps I am wanting to buy. Would this save money in the long run? I plan on buying some Honeywell programmable timers to use in place of the light switches that currently turn these on.

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brric

· #4 · Jul 5, 2011

http://www.rabweb.com/product_line_detail.php?prodline=LFLOOD

To make a cost/benefit analysis you must take into consideration the lower power costs as well as the increased lamp longevity.

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noone

Discussion Starter · #5 · Jul 5, 2011

brric said:
http://www.rabweb.com/product_line_detail.php?prodline=LFLOOD

To make a cost/benefit analysis you must take into consideration the lower power costs as well as the increased lamp longevity.

So those LED floods are about $170 each for LED vs. $15 each for halogen floods.

This calculator shows that a single 75watt bulb would, at 15 cents per kilowatt running 5 hours per day, cost me approximately $1.58/month or $20.48/year.

http://www.electricity-usage.com/El...evice=&Watts=13&CostPerKWH=0.15&HoursPerDay=5

7 of these halogen floods would cost me $143/yr.

The 7 halogen floods would initially cost $105.

The 7 LED lamps would have an initial cost of $1190. The yearly electrical cost of the LED lamps would be about $25.

143-25 = $118/year in electricity savings.

Difference in cost between LED vs. Halogen = $1190-115 = $1075

$1075/$118 = 9.11

I'm no mathematician, but that seems like that would take at least 9 years to see a return on investment. And that's assuming that the LED lamps even last that long.

I think I will go with the conventional halogen floods!

Great exercise in cost analysis though. I appreciate the insight.

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