10 Best energy efficient air conditioners of 2025

Save up to 32% off

Best Choice

1

DOMANKI
14,000 BTU Portable Air Conditioner Cools Up to 700 Sq.Ft, 3-IN-1 Quiet Portable AC Unit with Remote Control & Installation Kits for Large Room, Campervan, Office, Temporary Space
Main highlights

Efficient Cooling for Large Areas
14,000 BTU power cools up to 700 sq. ft. efficiently.

Versatile Use Cases
Ideal for large rooms, campervans, offices, and temporary spaces.

Customer Praised Remote Control
Remote with LED screen praised for ease of use and functionality.
9.8

Exceptional

Our Rating
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Value for Money

2

HUMHOLD
Humhold 14000 BTU Portable Air Conditioners with Remote Control, 3-in-1 Free Standing Cooling AC Unit with Fan & Dehumidifier, Cools Room up to 700 sq.ft, Smart/Sleep Mode,3 Speed,Auto Swing,24H Timer
Main highlights

Powerful Cooling Capacity
The Humhold AC cools large spaces up to 700 sq. ft. with 14,000 BTU.

Versatile Use in Various Rooms
Ideal for living rooms, bedrooms, kitchens, and offices.

Highly Praised Quiet Operation
Customers appreciate its quiet operation, maintaining comfort at 48 dB.
9.7

Exceptional

Our Rating
3

Midea
Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner, Cools up to 350 Sq. Ft., Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control
Main highlights

Ultra Quiet Operation
The Midea U Smart Inverter AC operates at just 32 dBA, making it significantly quieter than traditional units.

Energy Savings and Efficiency
Achieves over 35% energy savings with advanced DC inverter technology, earning ENERGY STAR Most Efficient Certification.

Smart Control and Security
Wi-Fi enabled with Alexa/Google Assistant compatibility and advanced security features for safe ground floor installation.
9.6

Exceptional

Our Rating

9.3
Efficient Energy Use

9.3
Noise level

9.1
worth the money
4

Midea
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

15% Off
Main highlights

Efficient Cooling for Small Spaces
Midea 5,000 BTU AC efficiently cools rooms up to 150 sq. ft.

Perfect for Bedrooms and Offices
Ideal for small bedrooms, living rooms, and home offices.

Impressive Cooling Performance
Users praise its ability to lower room temperature quickly.
9.5

Excellent

Our Rating

9.3
Easy installation

9.1
worth the money

8.2
Power saving mode
5

Frigidaire
Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and Easy-to-Clean Washable Filter, in White

16% Off
Main highlights

Effortless Temperature Control
Maintains preset room temperature with button control for consistent comfort.

Ideal for Small Spaces
Perfect for cooling rooms up to 150 square feet efficiently.

Praised for Quiet Operation
Customers love its quiet performance and effective cooling.
9.4

Excellent

Our Rating

9.7
Comfort

8.2
worth the money

8.2
Efficient Energy Use
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6

AIRTHRYL
AIRTHRYL Portable Air Conditioners Windowless, 2025 Upgraded Cooling System, 35 Inch Evaporative Air Cooler w/3 Speeds, Smart Timer for Auto-off & 70°Oscillation, Swamp Cooler for Room, Office, Home
Main highlights

Energy Efficient Operation
Consumes only 50W, saving up to 95% energy compared to traditional AC units.

Ideal for Home and Office
Perfect for cooling spaces up to 300 square feet, ideal for bedrooms and offices.

Praised Quiet Performance
Operates under 35dB, ensuring a whisper-quiet environment for uninterrupted sleep.
9.3

Excellent

Our Rating
7

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

Compact Efficiency
5000 BTU unit efficiently cools rooms up to 150 sq ft, ideal for small spaces.

Versatile Application
Perfect for dorm rooms, RVs, and small bedrooms needing efficient cooling.

Customer Praised Performance
Highly effective in extreme heat, quickly cooling spaces even in triple-digit temperatures.
9.2

Excellent

Our Rating

8.4
Easy installation

8.0
worth the money

8.0
Noise level
8

FZBPI

FZBPI Portable Air Conditioner Cooling Fan with Remote, Quiet with 3 Speeds, 1200ml Evaporative Personal Air Cooler Fan with 3 Mist, 7 Night Light, 8H Timer, Small Air Conditioner for Bedroom Office

32% Off
9.1

Excellent

Our Rating
9

Whirlpool

Whirlpool WHAW101CW 10,000 BTU Air Conditioner with Dehumidifier, 115V, Window AC 450 Sq. Ft, Living Room, Bedroom, or Kitchen, with Remote Control, Digital Display, and 24H-Timer, Bright White

13% Off
8.9

Very Good

Our Rating
10

ACHAZEL

ACHAZEL 6000 BTU Window Air Conditioner with WiFi, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 250 Square Feet
8.7

Very Good

Our Rating

10 Best energy efficient air conditioners of 2025

1

14,000 BTU Portable Air Conditioner Cools Up to 700 Sq.Ft, 3-IN-1 Quiet Portable AC Unit with Remote Control & Installation Kits for Large Room, Campervan, Office, Temporary Space

2

Humhold 14000 BTU Portable Air Conditioners with Remote Control, 3-in-1 Free Standing Cooling AC Unit with Fan & Dehumidifier, Cools Room up to 700 sq.ft, Smart/Sleep Mode,3 Speed,Auto Swing,24H Timer

3

Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner, Cools up to 350 Sq. Ft., Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control

9.3

9.3

9.1

4

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

9.3

9.1

8.2

5

Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and Easy-to-Clean Washable Filter, in White

9.7

8.2

8.2

6

AIRTHRYL Portable Air Conditioners Windowless, 2025 Upgraded Cooling System, 35 Inch Evaporative Air Cooler w/3 Speeds, Smart Timer for Auto-off & 70°Oscillation, Swamp Cooler for Room, Office, Home

7

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

8.4

8.0

8.0

8

FZBPI Portable Air Conditioner Cooling Fan with Remote, Quiet with 3 Speeds, 1200ml Evaporative Personal Air Cooler Fan with 3 Mist, 7 Night Light, 8H Timer, Small Air Conditioner for Bedroom Office

9

Whirlpool WHAW101CW 10,000 BTU Air Conditioner with Dehumidifier, 115V, Window AC 450 Sq. Ft, Living Room, Bedroom, or Kitchen, with Remote Control, Digital Display, and 24H-Timer, Bright White

10

ACHAZEL 6000 BTU Window Air Conditioner with WiFi, Smart Window AC Unit with Remote, Energy Saving, Easy Install Kit, Cools up to 250 Square Feet

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