Finding the right air conditioner with heater functionality ensures comfort throughout all seasons. Whether you need cooling during summer or heating in colder months, these versatile units provide efficient climate control for your living or working space. Below is a comparison table featuring some of the top portable and window air conditioners that include both cooling and heating capabilities.
Product | Cooling BTU | Heating BTU | Coverage Area | Type |
---|---|---|---|---|
BLACK+DECKER Smart Portable AC with Heat | 14,000 BTU (ASHRAE) | 12,000 BTU | Up to 700 sq. ft. | Portable |
Midea 12,000 BTU Smart Inverter AC Window Unit | 12,000 BTU | Supplemental Heat | Up to 550 sq. ft. | Window Unit |
SereneLife Small Portable AC with Heat | 10,000 BTU | Heat Function Included | Up to 450 sq. ft. | Portable |
Whynter 14,000 BTU Portable AC & Heater Dual Hose | 14,000 BTU | Heat Function | Up to 500 sq. ft. | Portable |
Aoxun 10,000 BTU Portable AC Unit with Heater | 10,000 BTU | Heating Included | Up to 268 sq. ft. | Portable |
Content Navigation
- BLACK+DECKER Smart Portable Air Conditioner with Heat
- Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat
- SereneLife Small Air Conditioner Portable 10,000 BTU with Heat
- Whynter Portable Air Conditioner 14,000 BTU & Heater with Dual Hose
- Aoxun 10,000 BTU Portable Air Conditioners with Heat
- Buying Guide for Air Conditioners With Heater
BLACK+DECKER Smart Portable Air Conditioner with Heat

This four-in-one portable air conditioner offers powerful cooling and heating, combining 14,000 BTU cooling capacity (ASHRAE) and 12,000 BTU heat to cover rooms up to 700 sq. ft. It also functions as a dehumidifier and fan. The smart AC features Wi-Fi connectivity, compatible with Amazon Alexa and Google Assistant for voice control. Its compact size allows easy portability to different rooms, offering year-round comfort with convenient remote control and app integration.
Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat

The Midea smart inverter window AC unit delivers efficient cooling and supplemental heat perfect for rooms up to 550 sq. ft. It uses energy-saving inverter technology achieving up to 35% less electrical consumption than standard units. Features include electronic controls, 5 operating modes (heat, auto, cool, dry, fan), and an LED display. Remote and app controls also integrate voice assistant support via Alexa and Google.
SereneLife Small Air Conditioner Portable 10,000 BTU with Heat

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This portable AC features a compact design with rolling wheels for easy mobility, ideal for small rooms up to 450 sq. ft. It offers four operating modes: cooling, heating, dehumidifying, and fan with automatic vent swing for optimal air circulation. The built-in dehumidifier helps improve air quality while offering versatile year-round comfort through remote control operation.
Whynter Portable Air Conditioner 14,000 BTU & Heater with Dual Hose

This award-winning unit provides powerful 14,000 BTU cooling and heating functions for rooms up to 500 sq. ft. Thanks to its dual hose design, it efficiently exchanges air improving cooling and heating speed. It is also equipped with an automatic drain feature for continuous dehumidifying, processing up to 71 pints per day. Operating quietly at 51 dBA, it is a practical solution for bedroom use.
Aoxun 10,000 BTU Portable Air Conditioners with Heat

The Aoxun unit features 4-in-1 functionality including fast cooling, heating, dehumidifying, and fan modes with a quiet sleep mode operating at ≤55dB. It covers smaller rooms up to 268 sq. ft. and includes a 24-hour timer and child lock for safety. The unit is well-suited for home, dorm, garage, or office, providing adaptable comfort with user-friendly remote control and window kit installation.
Buying Guide for Air Conditioners With Heater
Choosing the best air conditioner with heater requires considering several key factors to ensure you get a unit that fits your needs and space requirements.
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Cooling and Heating Capacity
Measure your room size to find the right BTU rating. Overpowered units can waste energy, while underpowered ones will struggle to maintain comfort. Portable units often include BTU specs for both cooling and heating functions. Consider the climate in your region and whether supplemental heat is sufficient for colder months.
Type: Portable vs. Window Unit
- Portable air conditioners offer mobility and easier installation without permanent fixtures, ideal if you want flexibility across rooms.
- Window units usually provide higher efficiency and cooling capacity but require window installation and are fixed in place.
Energy Efficiency
Look for Energy Star rated models and inverter technology to save electricity and lower operating costs. Efficient units can provide longer-lasting comfort without spikes in power usage.
Smart Features and Controls
Many modern units feature Wi-Fi connectivity, allowing control from smartphone apps or smart home assistants like Alexa and Google Assistant. These help automate temperature control and improve convenience.
Noise Levels
Especially if using the AC in bedrooms or offices, consider noise ratings (decibels). Models specifying quiet or sleep modes typically maintain noise levels under 55 dB, minimizing disturbance.
Additional Functions
Consider units that include dehumidifier modes for moisture control, automatic drain systems to reduce maintenance, fan-only modes, and timers for scheduled operation.
Installation and Maintenance
Portable units require venting through a window kit but no permanent installation. Window ACs need fitting into standard window frames. Also, check ease of filter access and cleaning to maintain efficiency.