Specifications of Eugine Split Wall Air Conditioner Gold – 18000 BTU: Hot – Cold Nominal capacity: 1.5 tons Low noise level Equipped with anti-dust and bacteria filter Energy saving Environmentally friendly R410a refrigerant gas Ideal air distribution High efficiency rotary compressor Wi-Fi feature High efficiency cooling and heating capacity Air flow area: 20 square meters Made of high quality materials Annual energy consumption: 5812 kilowatts/hour Country of origin: China