10 Best air conditioner and heater window units of 2025

Save up to 30% off

Best Choice

1

Windmill

Windmill 10,000 BTU Inverter Window Air Conditioner with WhisperTech - Ultra-Quiet & Smart, Cools up to 450 Sq. Ft. - Easy Install, App/Wi-Fi, Voice-Enabled, Remote Control, High Energy Efficiency
9.7

Exceptional

Our Rating
How do we rank?

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Value for Money

2

Della
DELLA 10000 BTU Energy Saving Window Air Conditioner, Work with Alexa, Cools Up to 450 Sq. Ft, GEO Location, AC Unit with WIFI Smart Controls, Remote, Dehumidifier, Fan, Reusable Filter, Easy Install
Main highlights

Key Features
Energy-efficient with a CEER of 10.9, smart design with app control, quiet operation, and easy installation for up to 450 sq. ft. coverage.

Ideal Use Cases
Perfect for cooling single bedrooms, large living rooms, offices, or apartments quickly and efficiently on hot summer days.

Customer Reviews Highlight
Most reviews praise its whisper-soft operation, making it ideal for uninterrupted sleep, reading, or watching TV.
9.6

Exceptional

Our Rating

8.7
Easy installation

8.0
Efficient Energy Use

8.0
Remote Control
3

LG

LG 23,000 BTU Window Air Conditioner with Heat, 230V, AC Heater Combo Window Unit for Rooms up to 1400 Sq. Ft., Perfect for Living Room, Den, Bedroom, or Office, AC Heater Window Unit with Remote
9.3

Excellent

Our Rating

8.2
Easy installation

8.2
Remote Control

8.0
worth the money
4

Frigidaire

Frigidaire 23,000 BTU Window Air Conditioner with Supplemental Heat, Dehumidifier, and Remote, 230V, Cools up to 1400 Sq. Ft. for Apartment, Bedroom, Large Rooms
9.0

Excellent

Our Rating
5

Midea
Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White
Main highlights

Efficient Cooling and Heating
The Midea 8000 BTU unit provides cooling and supplemental heating, ideal for year-round use in rooms up to 350 sq. ft.

Perfect for Large Rooms
Designed for spaces up to 350 square feet, this unit is ideal for bedrooms, apartments, or small offices.

Praised Quiet Performance
Customers appreciate its ultra-low noise level of 45 dB, making it suitable for quiet environments.
Key specs
- floor area:350 Square Feet
- installation:Window
- special features:Inverter Compressor, Remote Controlled, WiFi Enabled, Heating And Cooling Function, Dehumidifier
- voltage:115 Volts
- noise:45 dB
8.9

Very Good

Our Rating

8.9
Efficient Energy Use

8.9
Remote Control

8.9
Noise level
See Today’s Deals & Prices
6

ROVSUN
ROVSUN 8000 BTU Window Air Conditioner with Heat, Window AC Unit & Heater Combo with APP & Voice Smart Control, Timer Function & Easy Installation Kit, Work with Alexa/Google Assistant, 115V/60Hz
Main highlights

All-Season Climate Control
8000BTU cooling and 4000BTU heating for rooms up to 350 sq ft.

Versatile Home Use
Ideal for home, office, or apartment climate management.

Smart Connectivity
WIFI-enabled, works with Alexa/Google Assistant for seamless control.
Key specs
- floor area:350 Square Feet
- installation:Window
- special features:Remote control
- voltage:115 Volts
- noise:N/A
8.7

Very Good

Our Rating
7

ROVSUN
ROVSUN 8000 BTU Air Conditioner Window Unit with Heat, 4-in-1 Window AC Unit Cooler, Heater, Dehumidifier & Fan with Timer, Remote Control & Installation Kit for Rooms up to 350 Sq. Ft, 115V/60Hz
Main highlights

Versatile AC and Heater
The ROVSUN unit offers 8,000 BTU cooling and 4,000 BTU heating, ideal for rooms up to 350 sq. ft.

Perfect for Compact Spaces
Designed for homes, offices, or apartments needing efficient temperature control.

Highly Rated Performance
Customers praise its exceptional cooling performance and reliability in high temperatures.
Key specs
- floor area:350 Square Feet
- installation:Window
- special features:Remote control
- voltage:115 Volts
- noise:N/A
8.5

Good

Our Rating
8

BLACK+DECKER
BLACK+DECKER Smart Portable Air Conditioner with Heat, 14,000 BTU Cooling, 12,000 BTU Heating for Rooms up to 700 Sq. Ft., Follow Me Remote, BPACT14HWT, White

11% Off
Main highlights

Versatile_4-in-1_Functionality
Includes air conditioning, heating, dehumidifying, and fan modes for year-round use.

Ideal_for_Small_to_Medium_Rooms
Perfect for spaces up to 700 sq. ft., ensuring comfort in any season.

Highly_Praised_Cooling_Efficiency
Customers appreciate its ability to cool rooms quickly, even in high humidity.
Key specs
- floor area:375 Square Feet
- special features:4-in-1, remote control
- noise level:54 dB
- voltage:115 Volts
- cooling capacity:8400 BTU DOE
8.4

Good

Our Rating

9.3
Temperature control

8.7
Easy to build

8.7
Easy installation
9

Whirlpool
Whirlpool 12,000 BTU 230V Window Air Conditioner with Supplemental Heat, Window Mounted AC Unit with Heater for Apartment, Living Room, Bedroom, Rooms up to 550 Square Feet
Main highlights

Powerful Cooling and Heating
12,000 BTU cooling and 11,600 BTU heating for year-round comfort in rooms up to 550 sq. ft.

Ideal for Versatile Spaces
Perfect for apartments, living rooms, and bedrooms needing efficient climate control.

User-Friendly Remote Control
Customers love the convenience of adjusting settings remotely.
Key specs
- floor area:550 Square Feet
- installation:Window mounting kit
- special features:Supplemental heat, Eco mode
- voltage:230 Volts
- noise:59 dB
8.3

Good

Our Rating
10

SereneLife
SereneLife Small Air Conditioner Portable 10,000 BTU with Built-in Dehumidifier + Heat - Portable AC unit for rooms up to 450 sq ft - Remote Control, Window Mount Exhaust Kit

30% Off
Main highlights

Portable Design and Versatile Modes
The SereneLife SLACHT108 offers portability with rolling wheels and 4 modes: cooling, heating, dehumidifying, and fan for year-round use.

Ideal for Small to Medium Rooms
Best suited for rooms up to 450 sq. ft., perfect for bedrooms, living rooms, or garages.

Highly Praised Customer Service
Customers commend the responsive and effective customer service, highlighting quick issue resolution and replacement processes.
Key specs
- floor area:450+ sq. ft.
- special features:Dehumidifier, Remote Control
- noise level:52-56 dB
- voltage:120 Volts
- cooling capacity:10,000 BTU
8.2

Good

Our Rating

9.5
Remote Control

9.3
Easy installation

9.3
Maneuverability

10 Best air conditioner and heater window units of 2025

1

Windmill 10,000 BTU Inverter Window Air Conditioner with WhisperTech - Ultra-Quiet & Smart, Cools up to 450 Sq. Ft. - Easy Install, App/Wi-Fi, Voice-Enabled, Remote Control, High Energy Efficiency

2

DELLA 10000 BTU Energy Saving Window Air Conditioner, Work with Alexa, Cools Up to 450 Sq. Ft, GEO Location, AC Unit with WIFI Smart Controls, Remote, Dehumidifier, Fan, Reusable Filter, Easy Install

8.7

8.0

8.0

3

LG 23,000 BTU Window Air Conditioner with Heat, 230V, AC Heater Combo Window Unit for Rooms up to 1400 Sq. Ft., Perfect for Living Room, Den, Bedroom, or Office, AC Heater Window Unit with Remote

8.2

8.2

8.0

4

Frigidaire 23,000 BTU Window Air Conditioner with Supplemental Heat, Dehumidifier, and Remote, 230V, Cools up to 1400 Sq. Ft. for Apartment, Bedroom, Large Rooms

5

Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White

8.9

8.9

8.9

6

ROVSUN 8000 BTU Window Air Conditioner with Heat, Window AC Unit & Heater Combo with APP & Voice Smart Control, Timer Function & Easy Installation Kit, Work with Alexa/Google Assistant, 115V/60Hz

7

ROVSUN 8000 BTU Air Conditioner Window Unit with Heat, 4-in-1 Window AC Unit Cooler, Heater, Dehumidifier & Fan with Timer, Remote Control & Installation Kit for Rooms up to 350 Sq. Ft, 115V/60Hz

8

BLACK+DECKER Smart Portable Air Conditioner with Heat, 14,000 BTU Cooling, 12,000 BTU Heating for Rooms up to 700 Sq. Ft., Follow Me Remote, BPACT14HWT, White

9.3

8.7

8.7

9

Whirlpool 12,000 BTU 230V Window Air Conditioner with Supplemental Heat, Window Mounted AC Unit with Heater for Apartment, Living Room, Bedroom, Rooms up to 550 Square Feet

10

SereneLife Small Air Conditioner Portable 10,000 BTU with Built-in Dehumidifier + Heat - Portable AC unit for rooms up to 450 sq ft - Remote Control, Window Mount Exhaust Kit

9.5

9.3

9.3

Similar products on Amazon

Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools Up to 250 Sq. Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White

$169.00

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

$682.22

Sign up and get exclusive special deals