7 Best Portable Air Conditioner & Heater Combos
Whether you’re battling scorching summer heat or shivering through an unexpected cold snap, a reliable portable air‑conditioner‑and‑heater combo can be the difference between comfort and chaos in any room. Choosing the right unit matters because it impacts energy bills, noise levels, and how quickly you can create a pleasant climate without permanent installations. With countless models promising sleek designs and powerful performance, it’s easy to feel overwhelmed. That’s why we’ve tested and compared the market’s top contenders, focusing on efficiency, portability, and user‑friendly features. In the sections below, you’ll find our curated list of the seven best portable AC‑heater combos to suit every budget and lifestyle.
Top Portable AC & Heater Combos – Our Expert Picks
We’ve tested each model to ensure reliable climate control, energy efficiency, and portability for any home or office setting.
7. Uhome UAC-12 Portable AC Heater Combo
The Uhome 12,000 BTU Portable Air Conditioner & Heater delivers year‑round comfort for spaces up to 400 sq ft. Its high‑efficiency compressor runs at just 52 dB, while the self‑evaporating system minimizes water‑tray emptying. This 4‑in‑1 unit functions as an air conditioner, heater, dehumidifier (up to 91 pint/day), and fan, with a powerful 360 m³/hr airflow to quickly cool or warm any medium‑sized room. The sleek LED display and included remote let you set a 24‑hour timer, choose from three fan speeds, and enable automatic air‑swing for precise airflow direction. Installation is straightforward—just connect the exhaust hose to the window slide adapter that comes with the kit. Washable dust filters keep the air clean and extend the unit’s life. Wheels and a built‑in handle make relocation effortless, perfect for dorms, apartments, cabins, or offices.
Pros
- All‑season versatility: Cooling, heating, dehumidifying, and fan modes in one compact unit.
- Quiet, efficient performance: Low 52 dB noise and self‑evaporation reduce maintenance.
- User‑friendly control: LED panel, remote, programmable timer, and automatic air‑swing.
Cons
- Refrigerant safety: Must be kept away from open flames or direct heat sources.
- Window‑only exhaust: Requires a window opening for proper venting, which may limit placement in some rooms.
6. Frigidaire AFQ0703S Portable AC
The 14,000 BTU Portable Air Conditioner with Heater delivers year‑round comfort for spaces up to 700 sq ft. Its high‑efficiency compressor provides rapid cooling (10,000 BTU SACC) and robust heating (12,500 BTU ASHRAE), making it ideal for living rooms, bedrooms, offices, or garages. Choose from four dedicated modes—Cool, Heat, Dehumidify, and Fan—plus a Smart Mode that automatically toggles between cooling and fan operation based on real‑time temperature. The LED‑backlit remote (23 ft range) and touch‑sensitive display let you fine‑tune temperature in 1 °F increments, select three fan speeds, and activate auto‑swing for 360° airflow. Thanks to the dual‑system condensation technology, the unit recycles up to 90 % of moisture, eliminating the need for a drain hose in most conditions. Installation is a breeze with the included window kit and snap‑together exhaust hose—no tools required. The unit rolls on silent 360° casters and features a recessed handle for effortless relocation.
Pros
- Powerful dual‑function performance – cools 700 sq ft and heats 500 sq ft with fast response.
- Smart, energy‑saving controls – auto‑swing, Smart Mode, and Sleep Mode reduce electricity use while maintaining comfort.
- Drainage‑free cooling – advanced condensation reduces manual drainage by up to 90 %.
Cons
- Remote control does not include batteries; you’ll need to supply AAA cells.
- Manual drainage is required in heating mode or when ambient humidity is ≥ 85 %.
5. Westinghouse iGen14000 AC
Westinghouse’s 14,000 BTU window air conditioner is built for small‑to‑medium rooms up to 700 sq ft., delivering rapid cooling with an instant‑cold‑air start. The unit runs on a 12,000 BTU ASHRAE rating (8,150 BTU DOE) and offers four distinct modes—Cool, Fan, Dry (dehumidifier) and Heat—so it can keep a bedroom, office, or RV comfortable year‑round. A built‑in 4,000 sq ft. dehumidifier removes up to 90 pints of moisture per day, improving air quality on humid days. Installation takes just five minutes thanks to the quick‑adjust window kit, which fits double‑hung or sliding windows and includes a watertight seal and exhaust cover.
Smart convenience comes from Wi‑Fi connectivity, a handheld remote (with two AAA batteries included), and a simple‑touch top panel. You can set the thermostat, switch modes, or program the timer from up to 20 feet away, or control everything through the Westinghouse app. The unit operates quietly at 52 dBA, with a Sleep mode that further reduces noise and saves energy.
Pros
- Versatile 4‑in‑1 functionality (cooling, heating, fan, dehumidifier) covers all seasons.
- Fast, efficient cooling with two fan speeds and instant‑cold‑air start for rooms up to 700 sq ft.
- Smart & remote control via app, remote, or touch panel plus a programmable timer for hands‑free comfort.
Cons
- Higher BTU rating than typical window units may be oversized for very small spaces, leading to short‑cycling.
- Requires a double‑hung or sliding window with enough width for the exhaust kit; installation may be trickier on fixed or awning windows.
4. HumHold H14000 Portable AC
Humhold’s 14,000 BTU portable AC/heat unit packs a full‑season climate solution into a sleek, free‑standing design. The high‑efficiency inverter compressor delivers 14,000 BTU of cooling (ASHRAE) and 12,500 BTU of heating, comfortably conditioning 550‑700 sq ft while maintaining a temperature range of 61 °F‑86 °F. Switch between four modes—Cooling, Heating, Dehumidify (95 pt / day), and 3‑speed Fan—to match any weather, and let the built‑in smart sensor automatically keep the room at the ideal 73‑77 °F. A wide‑angle 15‑80° airflow with auto‑swing distributes air evenly, while the self‑evaporating water system eliminates daily draining (just connect the included drain hose for continuous use). Control is a breeze via the front LED touch panel or the back‑lit remote (up to 23 ft), and the 24‑hour timer, Sleep mode, and low‑noise operation (<48 dB) help you save energy and rest easy. Four 360° wheels and hidden side handles make relocation simple, and the window‑sealing kit ensures a quick, tool‑free installation.
Pros
- All‑in‑one 4‑in‑1 functionality (cool, heat, dehumidify, fan) covers every season.
- Smart & Sleep modes with built‑in sensor and timer cut electricity use while maintaining comfort.
- Portable and easy to install – wheels, handles, and a complete window‑seal kit make setup fast.
Cons
- In very humid environments the unit must be drained every 8 hours unless the drain hose is connected.
- Remote control requires two AAA batteries (not included).
3. Whynter ARC-14SH Portable Air Conditioner
The Whynter ARC‑14SH is a 14,000 BTU portable air conditioner, heater, and dehumidifier built for rooms up to 500 sq ft. Recognized by Good Housekeeping as the 2024 Best Overall Portable Air Conditioner, it delivers strong, even cooling while staying whisper‑quiet at just 51 dBA on low speed. The unit runs on CFC‑free refrigerant, so you get powerful performance with a smaller environmental footprint.
A standout feature is the dual‑hose system with patented auto‑drain, which continuously expels condensate so you never have to empty a water bucket. With a 71‑pint‑per‑day dehumidifying capacity and a 430 m³/h (253 CFM) airflow, it quickly removes excess moisture and improves indoor air quality. Four operational modes—cool, dehumidify, fan (3 speeds), and heat—are paired with full thermostatic control (61 °F–89 °F) and a modest 1 300 W (11.6 A) power draw. The package includes a 19″ × 16″ × 35.5″ indoor unit, an extendable 5.9‑inch dual hose (up to 60″), a flexible window kit, an activated‑carbon filter, a washable pre‑filter, and a storage bag for easy transport.
Pros
- Powerful yet quiet: 14,000 BTU cooling/heating for 500 sq ft at only 51 dBA.
- Integrated dehumidifier with auto‑drain: 71 pt/day capacity eliminates manual water removal.
- Versatile operation: Four modes, thermostatic control, and dual‑hose efficiency for fast temperature recovery.
Cons
- Installation effort: Requires the included window kit and hose routing, which may be challenging in tight spaces.
- Weight and size: The unit is relatively heavy and bulky, making relocation more labor‑intensive.
2. Black+Decker BDH2000 Portable Air Conditioner
The BLACK+DECKER Portable Air Conditioner for Rooms delivers year‑round comfort in a compact, mobile package. Measuring just 16.5” × 14.06” × 27.09”, it can cool or heat spaces up to 550 sq ft, making it ideal for bedrooms, home offices, or small living areas. Its 7000 BTU DOE (12 000 BTU ASHRAE) system works as an air conditioner, heater, dehumidifier, and fan—all controlled via a convenient remote or the top‑mounted LED panel. A slide‑out, washable filter and auto‑water evaporation keep maintenance simple, while the built‑in 24‑hour timer lets you program exactly when you want the unit to run. Mobility is effortless thanks to sturdy casters and side handles, and the included window installation kit ensures a quick, secure vent for optimal airflow.
Pros
- Four‑in‑one functionality (cooling, heating, dehumidifying, fan) reduces the need for multiple devices.
- Easy mobility with casters and side handles lets you move the unit between rooms without hassle.
- User‑friendly controls include a remote, LED display, washable filter, and 24‑hour timer for precise comfort management.
Cons
- At 57.6 lb, the unit is portable but may be heavy for frequent lifting without assistance.
- The 550 sq ft coverage is best suited for moderate climates; extreme heat or humidity may require a higher‑capacity system.
1. DOMANKI 14000 BTU Portable AC
The DOMANKI 14000 BTU Portable Air Conditioner and Heater delivers year‑round comfort for spaces up to 700 sq ft. With a powerful, ETL‑certified compressor, it provides 14,000 BTU of cooling (10,000 BTU SACC) and 12,500 BTU of heating, keeping rooms between 61 °F‑88 °F. Its 4‑in‑1 design combines cooling, heating, fan, and dehumidifier functions, while smart features like auto swing, multiple fan speeds, child lock, and auto mode let you tailor the climate with a single remote (25‑ft range) or the digital display. The built‑in automatic evaporation system eliminates daily drainage, and the removable double filter captures dust, pet dander, and odors. A hidden handle, 360° casters, and a compact 14.06 × 16.5 × 27.09 in footprint make it easy to move, and the included installation kit fits both vertical and horizontal sliding windows. Sleep mode reduces noise to 48 dB and adjusts fan speed automatically, while a 0.5‑hour to 24‑hour timer helps you save energy overnight.
Pros
- All‑season 4‑in‑1 functionality replaces multiple devices, saving space and cost.
- Energy‑efficient compressor provides strong cooling/heating for large rooms without high electricity use.
- Convenient smart controls (remote, timer, sleep mode) and automatic water evaporation for hands‑free operation.
Cons
- The remote requires two AAA batteries (not included), adding a small ongoing cost.
- At maximum capacity the unit may be slightly noisy for light‑sleepers, though sleep mode reduces this to 48 dB.
Buying Guide
When buying a portable air‑conditioner‑heater combo, focus on performance, energy efficiency, and ease of use to stay comfortable all year. A unit that cools, heats, and operates quietly will save space and lower utility costs.
- Capacity: Pick a model sized for your room, typically 8,000 BTU for cooling and 5,000 BTU for heating.
- Efficiency: Look for ENERGY STAR labels and high EER/HSPF ratings to reduce electricity consumption.
- Portability: Wheels, a compact chassis, and a simple vent kit let you move the unit without permanent installation.
- Features & warranty: Wi‑Fi control, timers, and at least a two‑year warranty indicate added value and durability.
By matching these criteria to your space and budget, you’ll select a portable combo that delivers reliable year‑round climate control. Enjoy flexible comfort without compromising on efficiency or durability.
Frequently Asked Questions
What features should I look for in the best portable AC‑heater combo?
- Dual‑mode performance – Look for a unit that offers both cooling (BTU rating) and heating (watts or BTU) with separate controls.
- Energy efficiency – Check for an Energy Star rating or a high EER (Energy Efficiency Ratio) for cooling and a good COP (Coefficient of Performance) for heating.
- Portability – Wheels, a compact footprint, and a built‑in handle make it easy to move the unit between rooms.
- Smart controls – Wi‑Fi or Bluetooth connectivity lets you adjust temperature from a phone app or voice assistant.
- Noise level – Aim for ≤55 dB for cooling and ≤60 dB for heating to keep the space comfortable.
- Ease of installation – A simple exhaust hose and a built‑in condensate tank or pump reduce setup hassle.
How do I size a portable AC‑heater combo for my room?
Measure the room’s square footage.
- For cooling, a rough rule is 20 BTU per square foot.
- For heating, aim for 10 watts per square foot (or about 30 BTU per square foot).
Adjust for ceiling height and insulation.
- Higher ceilings or poor insulation may require 10‑20 % more capacity.
Example: A 250 ft² bedroom with 8‑ft ceilings and average insulation needs roughly:
- Cooling: 250 ft² × 20 BTU = 5,000 BTU (choose a 5,000‑6,000 BTU unit).
- Heating: 250 ft² × 10 W = 2,500 W (≈ 8,500 BTU heating output).
Choosing a model that meets both criteria ensures the unit can both chill in summer and warm in winter without overworking.
Can I run the portable AC‑heater combo continuously, and what maintenance does it need?
- Continuous operation: Most modern combos are designed for long‑run cycles, but keep the thermostat set to a modest temperature (e.g., 75 °F for cooling, 68 °F for heating) to avoid excessive wear and high electricity bills.
- Filter care: Clean or replace the air filter every 1–2 months (more often if you have pets). A clogged filter reduces efficiency and increases noise.
- Condensate management: Empty the water tank daily if the unit isn’t set to auto‑drain, or install a continuous drainage kit for hassle‑free operation.
- Exhaust hose: Check the hose for kinks or blockages each month; a clear hose maintains proper cooling performance.
- Seasonal check: Before switching from cooling to heating (or vice‑versa), inspect the heating element and fan motor for dust buildup and clean as needed.
Regular, simple maintenance keeps the combo running efficiently year‑round and extends its lifespan.
Conclusion
Choosing the right portable air‑conditioner‑heater combo hinges on balancing efficiency, comfort and convenience. Prioritize units that match your space’s square‑footage and offer adjustable BTU ratings, so you can stay cool in summer and warm in winter without overworking the machine. Energy‑saving features such as programmable timers, smart thermostats and eco‑modes not only cut utility bills but also reduce environmental impact. Look for models that combine low noise levels with easy mobility—compact designs, built‑in wheels, and simple installation make them adaptable to any room. By weighing these factors, you’ll secure a versatile climate solution that delivers reliable performance year‑round while fitting your budget and lifestyle.