When I am renovating a commercial building, should I upgrade to more efficient lamps and ballasts or replace the existing lighting fixtures?
A – The decision depends on your particular situation, which is discussed below. Renovations of buildings often involve numerous code issues, including Title 24, which will affect this decision. Your architect, engineer or contractor should be able to advise whether new lighting fixtures will be less expensive than retrofitting your existing lighting system. Generally, if your renovations are modest and you are not changing your lighting system in any major way, most older lighting systems can be retrofitted to use less energy.
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