Finding an air conditioner heater combo unit that efficiently cools and heats your space while offering smart features can be challenging. To help you choose, we reviewed top-rated portable and window air conditioners with heating functions, suitable for various room sizes. Below is a quick comparison of the best air conditioner heater combos available.
| Product | Cooling BTU | Heating BTU | Room Coverage | Key Features |
|---|---|---|---|---|
| BLACK+DECKER Smart Portable Air Conditioner with Heat | 14,000 | 12,000 | Up to 700 Sq. Ft. | Wi-Fi & Voice Control, Dehumidifier & Fan |
| Whynter Portable Air Conditioner 14,000 BTU & Heater | 14,000 | Included | Up to 500 Sq. Ft. | Dual Hose, Auto Drain, Quiet Operation |
| ROVSUN 8000 BTU Window Air Conditioner with Heat | 8,000 | 4,000 | Up to 350 Sq. Ft. | APP & Voice Smart Control, Timer, Energy Saver |
| SereneLife Small Air Conditioner Portable 10,000 BTU with Heat | 10,000 | Included | Up to 450 Sq. Ft. | Portable Design, Remote Control, Dehumidifier |
| Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat | 12,000 | Included | Up to 550 Sq. Ft. | Energy Star, Smart Control, Inverter Technology |
Content Navigation
- BLACK+DECKER Smart Portable Air Conditioner with Heat
- Whynter Portable Air Conditioner 14,000 BTU & Heater
- ROVSUN 8000 BTU Window Air Conditioner with Heat
- SereneLife Small Air Conditioner Portable 10,000 BTU with Heat
- Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat
- Buying Guide for Air Conditioner Heater Combo Units
BLACK+DECKER Smart Portable Air Conditioner with Heat
This four-in-one portable unit offers 14,000 BTU cooling alongside 10,000 BTU heating, suitable for rooms up to 700 sq. ft. Besides cooling and heating, it also functions as a dehumidifier and fan, making it a versatile all-season appliance. The unit measures 16.5” x 14.06” x 27.09” for easy portability.
It includes smart features, such as Wi-Fi connectivity and voice control through Amazon Alexa and Google Assistant. The “Follow Me” remote senses your location, adjusting the temperature accordingly for personal comfort. This makes it great for bedrooms or living areas where remote management is desired.
Whynter Portable Air Conditioner 14,000 BTU & Heater
Winner of Good Housekeeping’s 2025 “Best Overall Portable Air Conditioner,” this unit offers powerful 14,000 BTU cooling with heating capabilities for up to 500 sq. ft. It’s designed to be quiet (51 dBA), making it ideal for bedrooms and offices. The dual hose setup improves air intake and exhaust efficiency.
A patented auto drain function eliminates condensate buildup automatically in most settings, and its powerful dehumidifier can remove up to 71 pints per day. Using environmentally friendly R-32 refrigerant, this unit balances strong performance with planet-friendly operation.
ROVSUN 8000 BTU Window Air Conditioner with Heat
The ROVSUN window unit provides fast cooling at 8,000 BTU and heating at 4,000 BTU, fitting rooms up to 350 sq. ft. It features five operation modes including heat, cool, dry, fan, and auto, customizable through an LED display and remote.
Smartphone app and voice controls through Alexa and Google Assistant offer advanced convenience. Additional features include a 24-hour timer, washable front filter, and adjustable louvers for optimal airflow direction. Energy saving ECO mode helps reduce electricity use.
SereneLife Small Air Conditioner Portable 10,000 BTU with Heat
This compact, portable unit cools up to 10,000 BTU and also heats, serving rooms as large as 450 sq. ft. It includes four modes: cooling, heating, dehumidifying, and fan. The unit’s rolling wheels and remote control enhance portability and ease of use in bedrooms, garages, or offices.
The built-in dehumidifier reduces moisture for added comfort, and the automatic swing mode improves air distribution. This unit plugs into any standard electrical outlet and features a sleek design optimized for small to medium-sized spaces.
Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat
This window air conditioner offers 12,000 BTU cooling and supplemental heating ideal for rooms up to 550 sq. ft. It is Energy Star rated for energy efficiency, utilizing inverter technology that can save up to 35% energy compared to standard models.
Control options include a remote, LED display, and app or voice commands via Alexa and Google Assistant. Features such as five operating modes, three fan speeds, 24-hour timer, and washable front filter make it highly versatile. Note the heat pump function operates above 41°F.
Buying Guide for Air Conditioner Heater Combo Units
When choosing an air conditioner heater combo, consider these key factors to ensure optimal comfort and efficiency:
- Cooling and Heating Capacity: Match BTU ratings with the square footage of your room for effective temperature control. Higher BTUs are best for larger spaces.
- Unit Type: Decide between portable or window units. Portable units offer mobility and easy setup, while window units generally provide better efficiency.
- Smart Features: Look for Wi-Fi connectivity, app control, and voice assistant support for enhanced convenience and remote management.
- Energy Efficiency: Energy Star-rated units and inverter technology can reduce electricity consumption, saving costs over time.
- Noise Levels: If used in bedrooms or offices, prioritize models with low decibel operation for quiet comfort.
- Dehumidification: Built-in dehumidifiers improve indoor air quality and comfort, especially in humid climates.
- Installation and Portability: Consider ease of installation, size, and portability to fit your living space and lifestyle.
- Additional Modes: Multi-function modes such as fan-only, dry, and auto settings extend usability beyond basic cooling and heating.
Balancing these factors based on your specific space, climate, and usage preferences will help you select the best air conditioner heater combo unit for year-round comfort.