Best Efficient Window Air Conditioner

LG 23,000 BTU Window Air Conditioner with Supplemental Heat, Cools 1,440 Sq.Ft. (36' x 40' Room Size), Electronic Controls with Remote, 2 Cooling, Heating & Fan Speeds, Slide In-Out Chassis, 230/208V

Amazon Basics 5000-BTU Small Window Air Conditioner, Up to 150 Sqf, Window AC Units with Cool and Fan Functions, Washable Filter, Adjustable Window Kit, Intuitive Mechanical Controls, White

Whirlpool 18,000 BTU 230V Window Air Conditioner with Supplemental Heat, Window Mounted AC Unit with Heater for Apartment, Living Room, Bedroom, Large Rooms up to 1000 Square Feet

Midea 6,000 BTU Window Air Conditioner, 3-in-1 Cool/Fan/Dehumidifier Window AC Unit, Easycool Air Conditioner with Remote Control, Cools up to 250 Sq. Ft., Fits bedroom, study, office (2024 Upgrade)

Frigidaire 12,000 BTU Window Air Conditioner with Remote Control, Cools Up to 550 Sq. Ft., Quiet Operation, Eco Mode, 3 Fan Speeds, Auto Restart, White

Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 350 Sq Ft, Ultra Quiet with Open Window Flexibility - Alexa/Google Assistant Compatible - 37% Energy Savings, Remote (Updated)

Midea 10,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 450 Sq Ft, Ultra Quiet with Open Window Flexibility - Alexa/Google Assistant Compatible - 35% Energy Savings, Remote (Updated)

LG 8,000 Window Air Conditioner, 115V, 350 Sq.Ft. (14' x 25' Room Size), Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, 8000 BTU, White

Whirlpool 10,000 BTU Window Air Conditioner with Dehumidifier, 115V, Window AC for Rooms up to 450 Sq. Ft., Living Room, Bedroom, or Kitchen, with Remote Control, Digital Display, and 24H-Timer, White

Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office