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10 Best Energy Efficient Portable Ac Unit 2025 in the United States
#1
Winner
ZAFRO 10,000 BTU Portable Air Conditioners, 4 Modes Portable AC Unit with Fast Cooling/Energy Efficient/Remote/24Hrs Timer for Bedroom/Dorms/Indoor Rooms, White
The ZAFRO 10,000 BTU Portable Air Conditioner is designed for rooms up to about 450 square feet, making it a solid choice for bedrooms, dorms, or small living spaces. Its cooling power is strong enough to quickly lower room temperature on hot days. It uses R-32 refrigerant, which is more environmentally friendly than older types. The unit is energy efficient, with a SEER rating of 6.7, which means it should help keep electricity bills lower compared to larger, less efficient models. Noise-wise, it runs at about 45 decibels, roughly the sound of a quiet conversation, so it won’t be very disruptive, especially in sleep mode. It offers four modes—cooling, dehumidifying, fan-only, and sleep—which adds flexibility depending on your needs.
Rating
10.0
Chosen by1,163
BTU (British Thermal Units)
Noise Level
Portability Features
Most important from
1593 reviews
#2
ZAFRO 8,000 BTU Portable Air Conditioners, 4 Modes Portable AC Unit with Fast Cooling/Energy Efficient/Remote/24Hrs Timer for Bedroom/Dorms/Indoor Rooms, White
The ZAFRO 8,000 BTU Portable Air Conditioner is a solid choice for cooling rooms up to about 350 square feet, which makes it suitable for bedrooms, dorms, or small indoor spaces. Its energy efficiency stands out as it claims to use less power than many larger AC units while still providing effective cooling. This can help keep running costs down during hot months. The unit operates quietly at around 45 decibels, so it won’t create much disturbance, especially useful if you plan to use it in a bedroom or study area. It offers four modes, including a dehumidifier and sleep mode, adding versatility beyond basic cooling. Portability is a key strength here; the unit has wheels and a compact size, making it easy to move from room to room.
Rating
10.0
BTU (British Thermal Units)
EER (Energy Efficiency Ratio)
Noise Level
Most important from
1593 reviews
#3
Midea Duo 14,000 BTU (12,000 BTU SACC) High Efficiency Inverter Ultra Quiet Portable Air Conditioner, with Heat up to 550 Sq. Ft., Works with Alexa/Google Assistant, with Remote Control & Window Kit
The Midea MAP14HS1TBL is a versatile 3-in-1 portable air conditioner that combines cooling, dehumidification, and fan functions. With a cooling capacity of 14,000 BTU, it is well-suited for medium to large spaces, effectively cooling areas up to 550 square feet. One of its standout features is the innovative duo hose design, which enhances air circulation and prevents hot air from re-entering the room, offering a more efficient cooling experience.
Rating
9.9
BTU (British Thermal Units)
EER (Energy Efficiency Ratio)
Noise Level
Most important from
6337 reviews
Top 10 Best Energy Efficient Portable Ac Unit 2025 in the United States
#1
Winner
ZAFRO 10,000 BTU Portable Air Conditioners, 4 Modes Portable AC Unit with Fast Cooling/Energy Efficient/Remote/24Hrs Timer for Bedroom/Dorms/Indoor Rooms, White
ZAFRO 10,000 BTU Portable Air Conditioners, 4 Modes Portable AC Unit with Fast Cooling/Energy Efficient/Remote/24Hrs Timer for Bedroom/Dorms/Indoor Rooms, White
BTU (British Thermal Units): 10000 British Thermal Units
Noise Level: 45 dB
Portability Features: wheels and compact design
Dehumidification Function: built-in dehumidifier
Programmable Timer and Thermostat: no programmable thermostat
Filter Type and Maintenance: removable washable, clean biweekly
Chosen by 1163 this week
ZAFRO 8,000 BTU Portable Air Conditioners, 4 Modes Portable AC Unit with Fast Cooling/Energy Efficient/Remote/24Hrs Timer for Bedroom/Dorms/Indoor Rooms, White
ZAFRO 8,000 BTU Portable Air Conditioners, 4 Modes Portable AC Unit with Fast Cooling/Energy Efficient/Remote/24Hrs Timer for Bedroom/Dorms/Indoor Rooms, White
BTU (British Thermal Units): 8000 British Thermal Units
Noise Level: 45 dB
Portability Features: wheels, compact size
Dehumidification Function: yes
Programmable Timer and Thermostat: 24-hour programmable timer
Filter Type and Maintenance: removable, washable air filter
Midea Duo 14,000 BTU (12,000 BTU SACC) High Efficiency Inverter Ultra Quiet Portable Air Conditioner, with Heat up to 550 Sq. Ft., Works with Alexa/Google Assistant, with Remote Control & Window Kit
Midea Duo 14,000 BTU (12,000 BTU SACC) High Efficiency Inverter Ultra Quiet Portable Air Conditioner, with Heat up to 550 Sq. Ft., Works with Alexa/Google Assistant, with Remote Control & Window Kit
BTU (British Thermal Units): 14000
Noise Level: 42 dB
Portability Features: Built-in handles
Dehumidification Function: Yes
Filter Type and Maintenance: Dust Filter, regular cleaning
SereneLife Small Air Conditioner Portable 14,000 BTU with Built-in Dehumidifier - Portable AC unit for rooms up to 650 sq ft - Remote Control, Window Mount Exhaust Kit
SereneLife Small Air Conditioner Portable 14,000 BTU with Built-in Dehumidifier - Portable AC unit for rooms up to 650 sq ft - Remote Control, Window Mount Exhaust Kit
BTU (British Thermal Units): 14000
Noise Level: 57 dB
Portability Features: Portable, compact
Dehumidification Function: Yes
Programmable Timer and Thermostat: Programmable timer
Filter Type and Maintenance: Self-evaporation
Whynter Portable Air Conditioner 14,000 BTU with Dual Hose Dehumidifier & Cooling Fan for 500 Sq Ft Rooms, Includes AC Unit Window Kit, ARC-14S (9,500 SACC)
Whynter Portable Air Conditioner 14,000 BTU with Dual Hose Dehumidifier & Cooling Fan for 500 Sq Ft Rooms, Includes AC Unit Window Kit, ARC-14S (9,500 SACC)
BTU (British Thermal Units): 14000
EER (Energy Efficiency Ratio): 7.69
Noise Level: 51 dB
Portability Features: 73 pounds, easy transport
Dehumidification Function: 71 pints per day
Programmable Timer and Thermostat: Yes
Filter Type and Maintenance: Washable pre-filter, carbon filter
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14,000 BTU Portable Air Conditioner Cools Up to 700 Sq.Ft, Auto-Evaporation Low Noise Portable AC Unit with Remote Control Fits for Large Room, Office, Garage,White
14,000 BTU Portable Air Conditioner Cools Up to 700 Sq.Ft, Auto-Evaporation Low Noise Portable AC Unit with Remote Control Fits for Large Room, Office, Garage,White
BTU (British Thermal Units): 14000 British Thermal Units
Noise Level: 44 dB
Portability Features: 360° wheels, dual handles
Dehumidification Function: 3-in-1: Dehumidifier, Fan, Conditioner
Programmable Timer and Thermostat: Sleep timer, remote, LED display
Filter Type and Maintenance: Removable filter, auto-evaporation system
Dreo Portable Air Conditioners, 12,000 BTU AC Unit for Bedroom with Drainage-free Cooling, 46dB Quiet, APP/Voice/Remote, 24h Timer with Fan & Dehumidifier, Smart Standing AC for Room Indoors, AC515S
Dreo Portable Air Conditioners, 12,000 BTU AC Unit for Bedroom with Drainage-free Cooling, 46dB Quiet, APP/Voice/Remote, 24h Timer with Fan & Dehumidifier, Smart Standing AC for Room Indoors, AC515S
BTU (British Thermal Units): 12,000
Noise Level: 46 dB
Portability Features: Portable
Dehumidification Function: Yes
Programmable Timer and Thermostat: Yes
Shinco 8,000 BTU Portable Air Conditioner, AC Unit with Built-in Cool, Dehumidifier & Fan Modes for Room up to 200 sq.ft, Conditioner Remote Control, 24 Hour Timer, Installation Kit
Shinco 8,000 BTU Portable Air Conditioner, AC Unit with Built-in Cool, Dehumidifier & Fan Modes for Room up to 200 sq.ft, Conditioner Remote Control, 24 Hour Timer, Installation Kit
BTU (British Thermal Units): 8000
Noise Level: 55 dB
Portability Features: Portable, caster wheels
Dehumidification Function: 19.2 liters/day
Programmable Timer and Thermostat: 24-hour timer, 60℉ to 86℉
SereneLife Small Air Conditioner Portable 10,000 BTU with Built-in Dehumidifier + Heat - Portable AC unit for rooms up to 450 sq ft - Remote Control, Window Mount Exhaust Kit
SereneLife Small Air Conditioner Portable 10,000 BTU with Built-in Dehumidifier + Heat - Portable AC unit for rooms up to 450 sq ft - Remote Control, Window Mount Exhaust Kit
BTU (British Thermal Units): 10,000 BTU / 6,000 BTU
Noise Level: 52 to 56 dBa
Portability Features: Portable with rolling wheels
Dehumidification Function: Built-in dehumidifier
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Buying Guide for the Best Energy Efficient Portable Ac Unit
Choosing the right energy-efficient portable air conditioning (AC) unit can make a significant difference in your comfort and energy bills. Portable AC units are convenient because they can be moved from room to room, but it's important to select one that meets your specific needs. Here are some key specifications to consider when making your decision.BTU (British Thermal Units)BTU measures the cooling capacity of the AC unit. The higher the BTU, the more powerful the unit is at cooling a larger space. For small rooms (up to 200 sq. ft.), a unit with 8,000-10,000 BTU is sufficient. Medium-sized rooms (200-400 sq. ft.) require 10,000-14,000 BTU, while larger rooms (400-600 sq. ft.) need 14,000-18,000 BTU. Choose a BTU rating that matches the size of the room you intend to cool for optimal efficiency and comfort.
EER (Energy Efficiency Ratio)EER is a measure of how efficiently the AC unit uses energy to cool a room. It is calculated by dividing the BTU rating by the unit's power consumption in watts. A higher EER indicates better energy efficiency. Look for units with an EER of 10 or higher for the best energy savings. If you plan to use the AC frequently, a higher EER can significantly reduce your electricity bills.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the unit will be when operating. Lower dB levels mean quieter operation. For a peaceful environment, especially in bedrooms or offices, look for units with noise levels below 55 dB. If noise is less of a concern, you can opt for units with higher dB levels, but be mindful of the potential disturbance.
Portability FeaturesPortability features include the weight of the unit, the presence of caster wheels, and handles for easy movement. Lighter units with sturdy wheels and handles are easier to move from room to room. If you plan to frequently relocate the unit, prioritize these features to ensure convenience and ease of use.
Dehumidification FunctionMany portable AC units also function as dehumidifiers, removing excess moisture from the air. This is particularly useful in humid climates, as it can improve comfort and prevent mold growth. Check the unit's dehumidification capacity, usually measured in pints per day. If you live in a humid area, a higher dehumidification capacity will be beneficial.
Programmable Timer and ThermostatA programmable timer and thermostat allow you to set the unit to turn on or off at specific times and maintain a desired temperature. This feature enhances convenience and energy efficiency by ensuring the unit operates only when needed. If you have a regular schedule or want to minimize manual adjustments, look for units with these programmable options.
Filter Type and MaintenanceThe type of filter used in the AC unit affects air quality and maintenance frequency. Washable and reusable filters are cost-effective and environmentally friendly, while replaceable filters may offer better filtration but require regular replacement. Consider your preference for maintenance and air quality when choosing the filter type. If you have allergies or respiratory issues, a unit with a high-quality filter is essential.