Key Specifications of Window Air Conditioners (Large 24 Unit Compressor): Cooling Capacity: Ranges between 18,000 to 24,000 BTU, covering medium to large areas. Compressor Type: Rotary or "Giant" (Large), specially designed to withstand very high temperatures (Tropical - T3). Refrigerant Gas: Mostly environmentally friendly R410A, or R22 in some models. Performance: Cool only or hot/cold, with high efficiency in air distribution (four-way). Warranty: Minimum two-year comprehensive warranty and 5 years on the compressor. Electricity: Operates at 220 volts and 60 Hz frequency. Additional Features: High-quality air filter for air purification, and a durable rust-resistant body.