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Best heating cooling airs - Holiday Sale 2025

Last Updated - December 15, 2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

COSTWAY

COSTWAY 11500 BTU Mini Split Air Conditioner, 115V 17 SEER2 Wifi Enabled Inverter Air Conditioner & Heater Pump System Cools Up to 750 Sq. Ft, Compatible with Alexa, w/Installation Kit

COSTWAY

$489.99

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Main highlights
- Versatile & User-friendly Design: With a wide temperature range and 7 operating modes, including auto/cool/ heat/dry/fan/sleep/ECO and 7 fan speeds, this mini split AC caters to all your comfort needs. Other features such as 4D auto swing, child lock, I Feel and Health offer added convenience for everyday use.
- Smart Control from Anywhere: This mini split air conditioner and heater pump system is Wi-Fi enabled, allowing you to tailor your comfort via smartphone & voice. It is compatible with Alexa or Google Assistant. Additionally, a handy remote control with digital display is included for easy operation.
- Powerful Cooling & Heating: This 11500 BTU mini split air conditioner is designed to cool or heat large spaces up to 750 square feet. The advanced chassis heating prevents freezing and maintains the normal operation of the outdoor unit. It can cool even at 122℉ and heat even at 5℉.
- Low Noise & Easy Maintenance: The sleep mode with ultra quiet operation and screen off function provides a peaceful environment without disturbing your sleep. The 133℉ self-cleaning and washable filter make maintenance easier and air cleaner. As for installation of this AC unit, a licensed HVAC professional is required.
- High Energy Efficiency: The inverter air conditioner improves energy efficiency by adjusting the compressor speed and avoiding frequent starts and stops. Plus, the use of R32 refrigerant makes this ac unit an energy-saving & green cooling solution for your home. It is also compliant with ETL and AHRI. GWP of air conditioning refrigerants is 675.
$489.99
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BLACK+DECKER

BLACK+DECKER Smart Portable Air Conditioner with Heat, 12,000 BTU (8,000 BTU SACC) Cooling, 9,000 BTU Heating for Rooms up to 550 Sq. Ft., Follow Me Remote, BPACT12HWT, White

BLACK+DECKER

$430.80

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Main highlights
- Smart AC with Voice Control: This smart air conditioner allows Wi-Fi connectivity and can be controlled using our mobile app available on iOS and Google Play stores, and voice controlled by Amazon Alexa or Google Assistant
- Portable AC: Take this personal air conditioner (16.5” x 11.7” x 27.9) in rooms up to 550 sq. ft. Stay cool in the hot summer months and sleep well with this BLACK+DECKER ac unit for bedroom
- Installation Kit: When it comes to fans that blow cold air, this indoor ac unit includes an easy-to-install window kit. A large, vented airflow outlet ushers in cool air
- Four-in-One Unit: Our 12,000 BTU ASHRAE (8,000 BTU SACC) air conditioner also offers 9,000 BTU Heat for cold winter months. Portable AC with heat also functions as a dehumidifier & fan
- Follow Me Remote: Our portable AC unit comes with a full function remote control that features a FOLLOW ME function, which allows the remote to act as a thermostat for precise temperature control
$430.80
3
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

CRC Press

Heating and Cooling of Air Through Coils: Principles and Applications

CRC Press

$47.44

$66.99

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$47.44
$66.99
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Goodheart-Willcox

Heating and Cooling Essentials

Goodheart-Willcox

$132.39

$160.00

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Main highlights
$132.39
$160.00
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Wiley

Heating, Cooling, Lighting: Sustainable Design Strategies Towards Net Zero Architecture

Wiley

$49.99

$151.95

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$49.99
$151.95

Best heating cooling airs - Holiday Sale 2025

COSTWAY 11500 BTU Mini Split Air Conditioner, 115V 17 SEER2 Wifi Enabled Inverter Air Conditioner & Heater Pump System Cools Up to 750 Sq. Ft, Compatible with Alexa, w/Installation Kit

BLACK+DECKER Smart Portable Air Conditioner with Heat, 12,000 BTU (8,000 BTU SACC) Cooling, 9,000 BTU Heating for Rooms up to 550 Sq. Ft., Follow Me Remote, BPACT12HWT, White

Heating and Cooling of Air Through Coils: Principles and Applications

Heating and Cooling Essentials

Heating, Cooling, Lighting: Sustainable Design Strategies Towards Net Zero Architecture

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