Adsorption Heat Pump chiller (10 kw/30KW ) works with 15kw/45kw thermal power (hot water) created by biomass boiler. 149 degree F (65 degree C) hot water is high enough for producing chilled water (50-77 degree F). Electrical COP is 10 (30 kw hot water can be generated from 3 kw electricity usage). No maintenance is required for years - no compressor is used, no Lithium Bromide or Freon is used. Only water is used inside - perfect solution for SDGs.