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Question DetailsAsked on 11/17/2017

Need balbs changed out 40' ceilings

Church ceiling in Waterloo, IA. Change from halogen to LED.

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Here are some previous questions with answers on changing high-ceiling bulbs - some relate to your height range, which is almost certainly going to mean a commercial lighting contractor with a telescoping manlift (which can easily fit in a double door or wide single door, and should be able to operate from the church aisles fine).


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Note that for the mobilization and equipment charge, commonly all the high bulbs would be changed at one time - saving any that still work for use in fixtures the regular church maintenance person can reach with a normal ladder.


Changing from halogen to LED - bear a couple of things in mind. FIrst - halogen bulbs sometimes have different bases, so unless you have a sample bulb to show the contractor (or to buy the new bulbs yourself) may take one visit to find type of bulb, then a run to a store to buy the bulbs, and come back to put them in. And I suggest top-end brand name like GE, not some off-brand chinese product which might start failing quite soon.


Also - my experience - CFL's I have tried (I am on about my 12th brand) mostly last 10-15% of the promised life of commonly 20,000-30,000 hours if they are turned on and off frequently. I figuremaybe 20-25% of promised life if switched on once a day - the only time I have found ANY going anywhere near the advertised life is ones left on continuously, so consider that both with respect to purchase cost and periodic replacement cost.


Also - be sure to get the right type of bulb - there are about 5 different types of exposure, from pinpoint spot lights to wide-fan flood lights. And for the bulb power, wattage will be quite different - you want to compare the lumens (the measure of light output which repalced candlepower) to get the right amount of illumination. Lumens for the same general of bulb can easily vary by a factor of 3 or more between brands - some of the off-brand ones are downright dim ! It might be you want different lumens for seating area than for pulpit area and foyer, for instance.

Answered 12 months ago by LCD




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