Use of reclaimed wood Use of natural & renewable materials such as woodstone Use of used lighting fixtures Use of indoor plants Limit traffic access by use of RFID key car system Fresh cool generated from Heat Recovery System Fresh air circulation in guestrooms through natural positive-negative air pressure Waste segregation program Absorption-type mini refrigirators Inverter type air conditioners using non-ozone-damaging R4104A refrigerant Linen use program Fixed windows for sound insulation Use of large windows for natural lighting Lower operable awning window to allow fresh air LED cable TV Dual piping system for separate grey & potable water Water saving faucets with aerators Water saving siphonic jet toilet flushing Toiletries using plasticized cornstarch material with packaging using stone paper & soy ink Eco-certified 100% organic bathroom amenities Toilet reuse program No smoking policy LED chandeliers Use of eco-friendly cleaning materials throughout the hotel Use of low-e laminated glass & insulated double glazed glass for windows and doors Roof garden as "quarantine" for indoor plants 100% use of LED lightning Edible garden Passive cooling thru building orientation Rain & ground water harvesting for toilet flushing plant irrigation & general house cleaning Use of insulation on metal roofing Reclaimed all wood, metal roofing and steel grills of demolished structure on site Use of canopies for natural sun shading & protection from rain Sustainable site near hospitals, malls, fresh produce markets, supermarkets, dining and entertainment center, schools, churches, media centers, government agencies, corporation etc.