Best High Efficiency Window Air Conditioner

Pro Breeze 4-in-1 Portable Air Conditioner 9000 BTU – Smart Home WiFi Compatible - 24 Hour Timer & Window Venting Kit Included. Powerful Air Conditioning Unit with Class A Energy Efficiency Rating

De'Longhi Pinguino Compact PACES72 Classic Compact Portable 8,300 BTU Air Conditioner, 3 in 1 Air Conditioning Unit, Rooms up to 60m³, A Energy Efficiency, Window Kit Included, Energy Class A, White

Maxesla Portable Air Conditioning Unit, 4 in 1 Portable Air Conditioner 14000BTU with Sleep Mode, Cooling, Dehumidifier and Fan with 3 Speed, Air Conditioning Unit with 24H, Window Venting Kit, Remote

BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres

BLU-09 9,000 BTU Portable Air Conditioner Portable 3-1 Air Conditioner, Dehumidifier, Cooling Fan with 3 Fan Speeds, Window Sheet for UK Windows, Digital Display & Remote Control

EcoAir 6-in-1 Portable Air Conditioner 7000 BTU w Remote Control. Powerful Energy Saving Air Conditioning Energy Efficiency Rating Class A+ | Free Window Seal Kit | Crystal MK2

Prem-I-Air 4-in-1 Portable Air Conditioner 8000 BTU with Remote Control, 24 Hour Timer, Two Window Venting Kits. Dehumidifier. Powerful Rapid Cooling, Cooler Unit, Class A Energy Efficiency Rating

9000BTU Portable Air Conditioner Dehumidifier (Wcool, Fan, Dry And Sleep Mode, App Control, 24 Hour Timer) For 100 m³, Energy Efficiency Class A

Magshion 6K BTU Window Air Conditioner, AC Window Unit with Remote Control and Washable Filter, Quiet Operation, Ideal for Rooms up to 250 Square Feet

HOOMEE 300CM Window Seal for Portable Air Conditioner And Tumble Dryer – Works with Every Mobile Air-Conditioning Unit, Easy to Install - Air Exchange Guards With Zip and Hook Tape