10 bestMost Efficient Air Conditioner Unitsof May 2025

COSTWAY 8000 BTU Portable Air Conditioner, with Fan & Dehumidifier Mode, Quiet AC Unit with Sleep Mode, 2 Speeds, 24H Timer, LED Display, Remote Control, Cool Rooms up to 250 Sq.Ft (White-8000BTU)

COSTWAY

9.8

Mini Split AC & Heating System, 12000 BTU Wall-mounted Air Conditioner 20 SEER2 115V & 1 Ton Heater Pump with Inverter, Energy Efficient AC Cools Up to 750 Sq.Ft, Ductless Pre-charged AC

SIMOE

9.6

GE 14,000 BTU Smart Portable Air Conditioner White - APWA14YBMW

9.4

Midea 10,000 BTU U-Shaped Smart Inverter Window Air Conditioner–Cools up to 450 Sq. Ft, Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control

Midea

9.2

OtherRelated productsUp to 8% off

Senville 5,000 BTU Window Air Conditioner and Fan, Easy Mechanical Controls, Washable Filters, White

COSTWAY Portable Air Conditioner, 1,2000 BTU 3 in 1 Air Cooler with Fan & Dehumidifier, Quiet AC Unit Cools Rooms up to 450 sq.ft, Sleep Mode, 3 Fan Speeds, 24H Timer, Digital Display & Remote Control (12000BTU)

Danby DAC050MB1WDB 5,000 BTU Window Air Conditioner, 2 Cooling and Fan Settings, Easy to Use Mechanical Rotary Controls, Ideal for Rooms Up to 150 Square Feet

COSTWAY Portable Air Conditioner, 9000BTU 4-in-1 Multi-function Air Conditioner with 2 Wind Speeds, Remote Control, 24H Timer, Window Kit, 350 sq.ft, Smart Portable AC Unit with Sleep Mode, Suitable for Home & Office Use, Energy-saving, White

Midea 12,000 BTU U-Shaped Smart Inverter Air Conditioner–Cools up to 550 Sq. Ft., Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control

5% off

Midea

9.0