Energy Efficient Cooling & Heating: The mini split air conditioner is equipped with a high-power compressor and heat pump; Innovative inverter technology ensures optimal performance with 25% energy savings; Covers 1250 square feet, ideal for bedrooms, living rooms, garages, RVs, basements, commercial applications, and more; Our mini split AC is ETL and AHRI certified, guaranteeing reliability and energy efficiency Five Modes: YITAHOME 18000 btu mini split air conditioner and heater units offer five modes (auto/cool/dry/heat/fan); WiFi-enabled and Alexa-compatible; Automatic defrosting, self-diagnosis/cleaning, iFEEL mode, 24-hour timer, sleep mode, energy-saving mode, "HEALTH" mode Silent Performance: The ductless air conditioner operates quietly, creating minimal noise during operation; The remote control allows you to set the temperature between 60℉ and 90℉; With noise levels below 49 decibels, you can enjoy a tranquil and undisturbed environment while benefiting from the efficient cooling and heating capabilities of our system All-Weather Response: The mini split ac/heating system is designed to perform in various environments, including in temperatures as low as 5°F and as high as 118°F; Providing optimal performance in every season, reaching a maximum airflow distance of 50 feet, creating a 4D air circulation within the room Installation Package: Our ac mini split system comes with an indoor unit, outdoor unit, multifunctional remote control, and comprehensive installation kit(Excluding shut off valves housing and side protection grille); While the air filter is washable and easy to clean; The installation of this system should be done only by licensed HVAC installers. Note: Ships in 2 packages, may arrive separately; factory-sealed system. Pre-charged, non-user serviceable refrigerant system