Portable Air Conditioners

Best Portable AC and Heater (2026): Our 4 Picks Ranked

By HouseCostWise Editorial · Updated Oct 26, 2026 · How we pick

As an Amazon Associate we earn from qualifying purchases. Specs below come from each product's Amazon listing; we do not test products in person.

For the best portable ac and heater, the SereneLife leads with 7,000 BTU (DOE) cooling, a heat mode, and coverage rated for up to 550 sq ft by the maker. The Midea follows with 12,000 BTU (DOE) cooling and a heat mode, while the Garvee adds 10,200 BTU (DOE) cooling with coverage rated for up to 750 sq ft by the maker.

Starting out? See the main guide: Best Portable Air Conditioner

Top picks at a glance

Best OverallSereneLife Portable Air Conditioner With Heat
9.8 View on Amazon
Runner-UpBLACK+DECKER Portable Air Conditioner
9.3 View on Amazon
Most Cooling PowerMidea Duo 14,000 BTU Portable Air Conditioner
9.3 View on Amazon
Largest Stated CoverageGarvee 3-in-1 Portable Air Conditioner
9.2 View on Amazon

Compare the specs

Ranked on btu (doe / sacc), coverage (maker's figure), rated noise level, phone app control, remote control, timer from each listing, plus how many buyers have rated it. A dash (—) means we could not confirm that figure from the listing.

Pick	BTU (DOE / SACC)	BTU (ASHRAE)	Coverage (maker's figure)	Rated noise level	Phone app control	Remote control	Timer	Weight	Warranty
1. SereneLife Portable Air Conditioner With Heat	7,000 BTU	12,000 BTU	550 sq ft	51 dB	—	Yes	Yes	70.3 lb	1-year
2. BLACK+DECKER Portable Air Conditioner	5,000 BTU	—	350 sq ft	52 dB	—	Yes	Yes	51.1 lb	1-year
3. Midea Duo 14,000 BTU Portable Air Conditioner	12,000 BTU	—	550 sq ft	42 dB	Yes	Yes	—	77.2 lb	1-year
4. Garvee 3-in-1 Portable Air Conditioner	10,200 BTU	14,000 BTU	750 sq ft	50 dB	—	Yes	Yes	—	1-year

1. Best Overall9.8/10

SereneLife Portable Air Conditioner With Heat

It pairs 7,000 BTU (DOE) cooling with a heat mode, a dehumidifier, and a fan mode in a portable unit.

BTU (DOE / SACC): 7,000 BTU
BTU (ASHRAE): 12,000 BTU
Coverage (maker's figure): 550 sq ft
Rated noise level: 51 dB
Remote control
Timer
1-year warranty stated

Check it on Amazon

Good for

Buyers who want cooling and heating in one unit
Buyers who want a remote and a 24-hour timer

Skip it if

You need a unit under 70.3 lb
You want cooling over 7,000 BTU (DOE)

It offers Cool, Heat, Dehumidifier, and Fan modes, with cooling rated for up to 550 sq ft by the maker and a dehumidifier that removes up to 1.5 liters per hour. Automatic wind swing and 2 fan speeds adjust airflow, with a rated noise level of 51 dB and a Sleep Mode. Rolling wheels move the unit room to room, with an exhaust hose, a window kit, a remote, and a 24-hour timer. It weighs 70.3 lb and carries a 1-year warranty.

2. Runner-Up9.3/10

BLACK+DECKER Portable Air Conditioner

It pairs 5,000 BTU (DOE) cooling with Cool, Fan, and Dehumidifier modes and a remote in a portable unit.

BTU (DOE / SACC): 5,000 BTU
Coverage (maker's figure): 350 sq ft
Rated noise level: 52 dB
Remote control
Timer
1-year warranty stated

Check it on Amazon

Good for

Buyers who want a portable unit for smaller rooms
Buyers who want a remote and a 24-hour timer

Skip it if

You need a unit under 51.1 lb
You want cooling over 5,000 BTU (DOE)

It offers Cool, Fan, and Dehumidifier modes, with cooling rated for up to 350 sq ft by the maker and a rated noise level of 52 dB. The LCD remote and top-mounted display control temperature with a 24-hour timer, and the washable filter slides out for cleaning. It rolls on 4 wheels with an exhaust hose and a window kit, and it weighs 51.1 lb.

3. Most Cooling Power9.3/10

Midea Duo 14,000 BTU Portable Air Conditioner

It pairs 12,000 BTU (DOE) cooling with a heat mode, an inverter compressor, and app control in a portable unit.

BTU (DOE / SACC): 12,000 BTU, the most here
Coverage (maker's figure): 550 sq ft
Rated noise level: 42 dB, the lowest rated here
Phone app control
Remote control
1-year warranty stated

Check it on Amazon

Good for

Buyers who want cooling and heating with app control
Buyers who want Alexa and Google Assistant voice control

Skip it if

You need a unit under 77.2 lb
You want cooling over 12,000 BTU (DOE)

It offers cooling and heating with a variable-speed inverter compressor and a dual hose-in-hose design for balanced air circulation. Cooling is rated for up to 550 sq ft by the maker, with a rated noise level of 42 dB. App control works through the SmartHome App, with voice control through Alexa and Google Assistant, and remote control. It weighs 77.2 lb and carries a 1-year warranty.

4. Largest Stated Coverage9.2/10

Garvee 3-in-1 Portable Air Conditioner

It pairs 10,200 BTU (DOE) cooling with Cool, Dehumidifier, and Fan modes and a remote in a portable unit.

BTU (DOE / SACC): 10,200 BTU
BTU (ASHRAE): 14,000 BTU
Coverage (maker's figure): 750 sq ft, the largest here
Rated noise level: 50 dB
Remote control
Timer
1-year warranty stated

Check it on Amazon

Good for

Buyers who want cooling rated for up to 750 sq ft
Buyers who want a remote and a 24-hour timer

Skip it if

You need cooling over 10,200 BTU (DOE)
You need a unit under 50 dB noise

It offers Cool, Dehumidifier, and Fan modes, with cooling rated for up to 750 sq ft by the maker and a rated noise level of 50 dB. Adjustable cooling runs from 64 to 90 degrees, with a 2-speed fan and auto-swing louvers for even airflow. A Follow Me remote acts as a thermostat, with a 24-hour timer and Sleep Mode. It rolls on 360-degree swivel casters with a window kit, and it carries a 1-year warranty.

How to choose

Cooling power and coverage

Cooling power in DOE terms differs: the SereneLife has 7,000 BTU (DOE), the BLACK+DECKER has 5,000 BTU (DOE), the Midea has 12,000 BTU (DOE), and the Garvee has 10,200 BTU (DOE). Coverage differs too: the SereneLife and Midea are rated for up to 550 sq ft by the maker, the BLACK+DECKER for up to 350 sq ft by the maker, and the Garvee for up to 750 sq ft by the maker. Compare the DOE figure and the maker coverage against your room size.

Heating, fan, and dehumidifier modes

Heating is offered by the SereneLife and Midea only: both offer a heat mode in addition to cooling. Fan and dehumidifier modes are offered by the SereneLife, BLACK+DECKER, and Garvee, each with Cool, Fan, and Dehumidifier modes in different combinations. The Midea has app control through the SmartHome App and voice control through Alexa and Google Assistant. Match modes and controls to how you will use the unit.

Noise, timers, and moving

Rated noise differs: the Midea has 42 dB, the Garvee has 50 dB, the SereneLife has 51 dB, and the BLACK+DECKER has 52 dB. Timers are offered by the SereneLife, BLACK+DECKER, and Garvee, each with a 24-hour timer.

FAQ

Which units offer heating?

The SereneLife and Midea offer a heat mode in addition to cooling. The SereneLife has Cool, Heat, Dehumidifier, and Fan modes, and the Midea has heating in addition to cooling.

What DOE cooling power does each unit have?

The SereneLife has 7,000 BTU (DOE), the BLACK+DECKER has 5,000 BTU (DOE), the Midea has 12,000 BTU (DOE), and the Garvee has 10,200 BTU (DOE).

Which units have a remote and a timer?

The SereneLife, BLACK+DECKER, and Garvee have a remote and a 24-hour timer. The Midea has remote control and app control.

What coverage does each unit have?

The SereneLife and Midea are rated for up to 550 sq ft by the maker, the BLACK+DECKER for up to 350 sq ft by the maker, and the Garvee for up to 750 sq ft by the maker.