LED RETROFIT REPLACEMENT STRATEGIES

[clararobert]

LED lighting is now the optimal solutionPower Efficiency Guidefor residential and commercial lighting needs. Due to massive investment over recent years (Philips has spent over $5 billion on the LED market), LED technology has matured to a point where LED bulbs (or 'lamps' as they are often called) deliver a truly equivalent light output to conventional incandescent, halogen, or compact fluorescent lamps.

Adhoc you may plan to replace conventional lamps as and when they blow. This strategy is simple and effective, and minimises capital outlay. However, it is more expensive in the long term, because you are delaying the cost of ownership savings for lamps not yet replaced, and cannot take advantage of any volume discounts when buying LED lamps or fittings.

Phased if capital cost constraints mean you need to replace lamps in phases, then its best to prioritise your lamp stock, based on a ranking of how long they're switched on. Hospitality business owners will probably have lots of halogens that are on nearly all the time in stairwells, corridors, and lobbies. It's important that these are replaced first, since this will deliver the largest benefit. Homeowners may find it easiest to adopt a room by room approach, starting off with highly used kitchens and living rooms.

Full retrofit this approach is the most capital intensive but yields the greatest returns financially, environmentally, and functionally. For large retrofits (typically >200 lamps), lease financing options are available for energy efficient lighting projects (e.g. in the UK, the Carbon Trust makes funding available through its partner Siemens Financial Services). What makes this compelling is that the LED energy cost savings are often sufficient to cover the finance payments, so it becomes a great cost neutral strategy. The lease term will typically be 3 or 4 years, after which time, the customer owns the lamps and fittings. In the meantime, the monthly lease fees simply get paid for out of the energy cost savings.

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