Feeling uncomfortable in extreme weather? The best portable AC and heater unit keeps you cozy year-round.
Discover the BLACK+DECKER Smart Portable Air Conditioner with Heat, ideal for large spaces up to 700 sq. ft. Its powerful 14,000 BTU cooling and heating capabilities make temperature control a breeze.
Plus, its Follow Me Remote feature ensures you enjoy optimal comfort from anywhere in the room.
We tested durability, ease of use, and more.



BLACK+DECKER Smart 14,000BTU Portable AC/Heater
If you’re looking for the best portable AC and heater unit to keep your home comfortable year-round, the BLACK+DECKER Smart Portable Air Conditioner with Heat is an excellent choice. This powerful 14,000 BTU unit (10,200 BTU SACC) effectively cools and heats spaces up to 700 sq. ft., making it ideal for bedrooms and living areas alike.
Pros
- Four-in-One functionality: Offers cooling, heating, dehumidifying, and fan options.
- Smart features: Wi-Fi connectivity allows for mobile app control and voice command via Amazon Alexa or Google Assistant.
- Follow Me Remote: The remote acts as a thermostat for more accurate temperature settings.
- Easy installation: Comes with a window kit for hassle-free setup.
- Compact design: Portable size (16.5” x 14.06” x 27.09”) makes it easy to move between rooms.
Cons
- Can be a bit noisy on higher settings.
- Requires regular maintenance for optimal performance.
Overall, the BLACK+DECKER Smart Portable AC and Heater Unit is a versatile and efficient solution for maintaining comfort in your home, making it a worthwhile investment for any season.
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Dreo Portable Smart Air Conditioner
If you’re searching for the best portable AC and heater unit, the Dreo Portable Air Conditioner might just be your ideal solution. With an impressive 12000 BTU ASHRAE rating, it provides powerful cooling for rooms up to 16 ft. away, making it perfect for hot summer days.
Pros
- Ultra Powerful IceCool System: Instantly chills your space and allows temperature control between 61°F to 86°F.
- Noise Isolation: Operates at a quiet 45dB, ensuring a peaceful environment for sleep or work.
- True Drainage-free System: Self-evaporating technology eliminates the need for manual drainage, even in high humidity.
- Smart Climate Control: Conveniently control the unit with voice commands via Siri, Amazon Alexa, or Google Home, plus a dedicated app for customization.
- 3-in-1 Versatile AC Unit: Offers Cool, Fan, and Dry modes with multiple functions for tailored comfort.
Cons
- Initial setup may require a bit of time to familiarize with smart features.
- Some users may find the unit slightly bulky for smaller spaces.
Overall, the Dreo Portable AC is a solid choice for anyone looking for an efficient, quiet, and versatile cooling solution.
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SereneLife 10,000 BTU Portable AC Unit
The SereneLife Small Air Conditioner Portable 10,000 BTU is the best portable AC and heater unit for those seeking versatility and efficiency. This compact unit serves both cooling and heating needs while also functioning as a dehumidifier, making it perfect for various environments, including bedrooms, living rooms, or even garages.
Pros
- 4 Operating Modes: Choose from cooling, heating, dehumidifier, and fan settings to suit your comfort needs.
- Built-in Dehumidifier: Reduces humidity levels, enhancing comfort and saving space.
- Portable Design: Lightweight with rolling wheels for easy mobility around your home or office.
- Remote Control: Convenient digital touch button control for easy operation from anywhere in the room.
- High Efficiency: Covers rooms up to 450 sq. ft. with impressive cooling and heating power.
Cons
- Noise Level: Operating noise can reach up to 56 dBa, which may be noticeable in quiet settings.
- Window Mounting: Requires installation of a window exhaust kit which may be challenging for some users.
Overall, the SereneLife Portable AC and Heater is an excellent investment for year-round climate control, combining efficiency with user-friendly features.
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Whynter ARC-14SH Portable AC Heater
If you’re seeking the best portable AC and heater unit, look no further than the Whynter Portable Air Conditioner 14,000 BTU & Heater. This award-winning unit combines powerful cooling and heating capabilities, designed for spaces up to 500 sq. ft. With its dual hose dehumidifier and multiple operational modes, it stands out as an ideal choice for both comfort and efficiency.
Pros
- Award-winning performance: Recognized as the “BEST OVERALL PORTABLE AIR CONDITIONER” by Good Housekeeping in 2024.
- Quiet operation: Operates at just 51 dBA on low speed, perfect for bedrooms.
- Built-in dehumidifier: 71 pint/day capacity with an auto drain function for hassle-free moisture removal.
- Versatile modes: Four operational settings—cool, dehumidify, fan, and heat—provide year-round comfort.
- Energy-efficient: CFC-free fluid and low power consumption help reduce your carbon footprint.
Cons
- Requires proper installation of the window kit, which may be challenging for some users.
- Heavier than some portable units, making it less convenient to move around.
Overall, the Whynter Portable AC and Heater is a reliable choice for efficient cooling and heating, making it a top contender in its category.
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SereneLife 8000 BTU Portable AC Heater
If you’re searching for the best portable AC and heater unit, look no further than the SereneLife 8,000 BTU Portable Air Conditioner and Heater. This versatile unit is perfect for cooling, heating, and dehumidifying spaces up to 350 sq. ft., making it ideal for rooms, offices, and apartments. With its compact design and WiFi functionality, it’s both efficient and easy to operate.
Pros
- Fast Cooling: 8,000 BTU cooling power ensures quick temperature drops.
- 4-in-1 Functionality: Functions as an air conditioner, heater, dehumidifier, and fan.
- Easy Installation: Comes with a universal window mount kit for hassle-free setup.
- Low Noise Operation: Runs at just 55 dBA, ideal for quiet environments.
- Energy Efficient: Designed to reduce power consumption while maintaining performance.
Cons
- May not be suitable for larger spaces beyond 350 sq. ft.
- WiFi functionality may require an app for full control.
In summary, the SereneLife 8,000 BTU unit is a reliable choice for anyone needing the best portable AC and heater unit, combining efficiency with convenience for year-round comfort.
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Faq about best portable ac and heater unit:
1: What is a best portable ac and heater unit?
A compact, versatile, dual-function appliance that cools and heats a single room. It uses a refrigerant cycle to cool air and a built-in heater or heat pump for warmth, with venting through a window.
2: How does a best portable ac and heater unit work?
During cooling, it extracts heat from the room and expels it outside; during heating, it reverses the cycle or uses an electric heater, warming the space. It also dehumidifies and circulates air.
3: What specs matter when choosing a best portable ac and heater unit?
Match BTU to room size; check energy efficiency (EER/SEER); consider noise, airflow, built-in heater type, and venting options.
4: Can it heat and cool a room effectively year-round?
Yes for small to medium rooms; performance depends on size, insulation, and ambient temps; best as supplemental climate control rather than whole-house heating.
5: How easy is installation and maintenance?
Setup is quick: wheel-mounted unit with window kit; perform monthly filter cleaning and seasonal coil checks; drain or use continuous drain if present; unplug before service.
Conclusion
Two standout models epitomize versatile climate control: the BLACK+DECKER Smart 14,000 BTU Portable AC/Heater and the Dreo Portable Smart Air Conditioner. The BLACK+DECKER emphasizes robust heating and cooling capacity within a compact chassis, with streamlined controls and energy-efficient cycles suitable for varied spaces. The Dreo unit champions rapid thermal modulation and whisper-quiet operation, enhanced by smart app integration and straightforward setup.
Together they reflect user-centric design, balancing performance, portability, and connectivity. For spaces demanding balanced climate automation, these solutions deliver dependable comfort without permanent installation, tailoring outputs to occupancy and ambient conditions.