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Continue to ChatLED Lighting Retrofits In Hawaiian Homes: Faster Paybacks Than Solar Power https://cleantechnica.com/2017/02/02/led-lighting-retrofits-hawaiian-homes-faster-paybacks-solar-power/
LED Lighting Retrofits In Hawaiian Homes: Faster Paybacks Than Solar Power https://cleantechnica.com/2017/02/02/led-lighting-retrofits-hawaiian-homes-faster-paybacks-solar-power/