Advertising Disclosure

Best heating cooling air qualities - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

✖
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.

OLMO

OLMO 9,000 BTU PTAC – Heating & Cooling – Packaged Terminal Air Conditioner & Heat Strip – Built-In 3.5kW Electric Heater – Includes Wireless Smart Kit, Remote & Power Cord – R-32 Refrigerant

OLMO

$679.97

$754.99
(9% Off)

More Details
Main highlights
- This system is designed for 230/208V,1Ph,60Hz, charged with R-32 refrigerant, and comes with a 20A power plug with a reset breaker. Please verify if you have a right receptacle before placing the order.
- This item ships via freight due to its size and weight. It will be delivered to the nearest accessible point outside your home. The carrier will reach out to coordinate delivery.
- This Heating and Cooling PTAC Unit can be controlled using standard digital push button control panel with LED display, included remote controller, or a compatible wireless smartphone device.
- OLMO 9,000 BTU Packaged Terminal Unit Heat Strip with Cooling (Dehumidifier) + 3.5 KW Electric Heater – Perfect for residential/commercial/hotel use
- For new installations, wall sleeve and exterior grille are required but not included in the listing and have to be purchased additionally.
$679.97
$754.99 (9% Off)
2

✖
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

More Details
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
3

✖
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.

Majosta

HVAC MADE SIMPLE: A Beginner’s Guide to Heating, Cooling, Air Quality, and Energy Efficiency for Every Home and Budget

Majosta

$12.99

More Details
Main highlights
$12.99
4

✖
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.

Jowxsx

Atomization Film Air Humidifier Driver Board Mist Maker Fogger Ultrasonic Discs Circuit Ultra Power Low Fine Module Spray Large, Heating, Cooling & Air Quality

Jowxsx

$5.49

More Details
Main highlights
- 1
$5.49
5
Best Value
44% Off

✖
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
44% Off

Heating, Cooling, Lighting: Sustainable Design Methods for Architects

Wiley

$72.43

$130.00
(44% Off)

More Details
Main highlights
$72.43
$130.00 (44% Off)

Best heating cooling air qualities - Holiday Sale 2025

OLMO 9,000 BTU PTAC – Heating & Cooling – Packaged Terminal Air Conditioner & Heat Strip – Built-In 3.5kW Electric Heater – Includes Wireless Smart Kit, Remote & Power Cord – R-32 Refrigerant

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

HVAC MADE SIMPLE: A Beginner’s Guide to Heating, Cooling, Air Quality, and Energy Efficiency for Every Home and Budget

Atomization Film Air Humidifier Driver Board Mist Maker Fogger Ultrasonic Discs Circuit Ultra Power Low Fine Module Spray Large, Heating, Cooling & Air Quality

Heating, Cooling, Lighting: Sustainable Design Methods for Architects

You may also like...

Geo Power: Stay Warm, Keep Cool and Save Money with Geothermal Heating & Cooling

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

DOMANKI 14000 BTU Portable Air Conditioner and Heater for Room up 700 Sq. Ft.,4-IN-1 Quiet Portable Ac Unit with Heater Dehumidifier Fan Function, Remote Control, Sleep Mode, 24H Timer (Black)

BLUEAIR ComfortPure Most Powerful 3-in-1 Cooling, Heating, Air Purifier – HEPASilent Cleaner for Home, Pets, Allergies, Dust, Odor, covers 1689 sqft in 1 Hour – All season comfort for large rooms

14,000 BTU Portable Air Conditioners for 700 Sq.Ft, 4-in-1 Room Air Conditioner with Cooling, Heating, Dehumidifier, Fan, Remote, Sleep Mode, Auto Swing, 24H Timer, Self-Evaporating Portable AC Unit

HOLMZCED Dual-purpose Heating and Cooling Air Conditioner Fan, Standing Fan and Heater Combo Portable Air Conditioners with Humidification & Remote Control for Bedroom Living Room

Heating and Cooling of Buildings: Principles and Practice of Energy Efficient Design, Third Edition (Mechanical and Aerospace Engineering Series)

Auto Air Conditioning and Heating (Workbench)

Semme Wall Mount Air Heater, Dual Use Wind and Heating for Bedroom and Living Room, US Plug 110V, Mini Air Heater for Efficient Temperature Control (With Print)

MRCOOL 12000 BTU 115V Ductless Inverter Mini Split Air Conditioner & Heat Pump System, Easy Pro Series - Wall-Mounted AC Unit w/Heating and Cooling for Home, Office & Commercial Space

Sign up and get exclusive special deals