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Choosing an air conditioner that also removes excess moisture makes a big difference in home comfort and indoor air quality. You want reliable cooling plus steady dehumidification so rooms feel less clammy, fabrics dry faster, and the HVAC load is lower. This guide focuses on the top shortlisted air conditioners with dehumidifier functions and explains which features matter most for real-world use. We evaluated options for cooling capacity, dehumidification performance, energy efficiency, and user convenience to help you pick a unit suited to your space and routine. Read on for the key tradeoffs and practical considerations before the product list.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | DREO Portable Air Conditioner 318S |  |
| Best Quality Built to a higher standard if you want something more solid | Whynter ARC-14S 14,000 BTU Portable AC |  |
| Best Value The sweet spot between price and what you get | SereneLife Portable Air Conditioner SLPAC8 |  |
| Best Budget The cheapest option that still gets the job done reliably | PeakPursuit 8,000 BTU Portable AC |  |
| Top Rated A top-rated pick with lots of positive feedback | KINDOJIA 16000 BTU Portable AC |  |
| Most Popular A crowd favorite that many people choose with confidence | BLACK+DECKER Portable Air Conditioner BPACT08WT |  |
| Best Seller A high-volume bestseller chosen again and again | Frigidaire 6,000 BTU Window Air Conditioner |  |
DREO Portable Air Conditioner 318S
| Cooling Power | 8000 BTU (ASHRAE) |
|---|---|
| SACC Cooling | 5000 BTU (DOE) |
| Noise | 45 db |
| Wattage | 1040 watts |
| Control Method | App, Remote, Touch, Voice |
The DREO 318S is a compact portable air conditioner designed to cool small rooms while handling humidity and airflow. It offers 8000 BTU (ASHRAE) cooling with a 3-in-1 Cool/Fan/Dry mode set, four fan speeds, and app, touch, remote, and voice controls for flexible operation. The unit's self-evaporating drainage-free system reduces the need to empty water in typical home humidity levels, and a drain hose is included for very humid conditions. It reports a low noise level around 45 dB, making it suitable for bedrooms, and supports smart assistants for remote scheduling and monitoring of temperature and humidity. Power is standard 115 V with about 1040 W draw, so expect normal energy use for a portable AC of this class. The main compromises are that its DOE SACC rating is lower (5000 BTU equivalent), so it is best for single rooms up to the stated coverage rather than whole-apartment cooling, and it is not inverter-based so it will cycle more than inverter models. For buyers who want an easy-to-install, feature-rich portable unit that also tackles humidity, the 318S delivers useful real-world convenience.
Best for: Buyers seeking a balanced, easy-to-use portable air conditioner that also handles dehumidification and offers smart control for single-room cooling and improved comfort.
Less Ideal for: People needing high-efficiency, continuous cooling for large open areas or those who want the lowest possible energy draw from an inverter model.
- 3-in-1 Cool/Fan/Dry modes provide versatile operation for cooling and dehumidifying.
- Smart controls via app, remote, touch, and voice allow scheduling and remote monitoring.
- Self-evaporating drainage-free system reduces manual emptying under typical humidity.
- Relatively quiet operation at about 45 dB suitable for bedrooms.
- Includes window mount kit, drain hose, and remote for straightforward setup.
- DOE SACC cooling equivalent (5000 BTU) is modest, limiting effectiveness in larger rooms.
- No inverter compressor, so it will cycle and be less efficient than inverter units.
Verdict: A well-rounded portable AC that combines cooling, dehumidifying, and smart controls for reliable single-room comfort.
Whynter ARC-14S 14,000 BTU Portable AC
| Cooling Power | 14000 BTU |
|---|---|
| Wattage | 1300 watts |
| Noise | 51 db |
| Floor Area | 500 square_feet |
| Capacity | 71 pints |
The Whynter ARC-14S is a heavy-duty dual-hose portable air conditioner designed for large rooms up to about 500 square feet. Its 14,000 BTU cooling (SACC lower) and dual-hose design deliver stronger, more consistent cooling than single-hose units, while the built-in dehumidifier and patented auto-drain help manage moisture without frequent emptying. It offers three modes—cool, dehumidify, and fan—with full thermostat control and a remote for convenient operation. The unit includes an activated carbon filter and washable pre-filter to improve indoor air quality. Practical benefits include a high dehumidifying capacity and relatively quiet low-speed operation at around 51 dB, plus a solid accessory kit for window installation and storage. Expect a large, heavy unit that needs a proper window vent and a dedicated circuit given its 1300 W draw, and its energy efficiency is moderate rather than top-tier. Setup and mobility are straightforward for a freestanding unit of this size, but it is bulkier than compact portable ACs and consumes notable power under sustained use.
Best for: Buyers who prioritize a dependable, high-capacity portable AC for cooling and moisture control in large rooms and want a unit built for continuous, low-maintenance operation.
Less Ideal for: People who need a lightweight, highly energy-efficient, or purely budget portable AC for small rooms or occasional spot cooling should consider smaller or inverter-based alternatives.
- Dual-hose design for more consistent cooling in large rooms
- Built-in dehumidifier with auto-drain reduces maintenance
- High cooling capacity suitable for ~500 sq ft spaces
- Includes activated carbon and washable pre-filter for better air quality
- Remote and panel controls with three fan speeds for easy operation
- Relatively high power consumption compared with smaller units
- Large and heavy, requires adequate space and a proper window vent
- Not ENERGY STAR rated, so long-term operating costs may be higher
Verdict: A robust, reliability-focused portable AC that pairs strong dual-hose cooling with a high-capacity dehumidifier, making it a sensible choice for cooling and moisture control in large rooms.
SereneLife Portable Air Conditioner SLPAC8
| Cooling Power | 8000 british thermal units |
|---|---|
| Wattage | 1000 watts |
| Control Method | Remote |
| Dehumidification Rate | 1.2 liters/hour |
| Noise | 55 db |
The SereneLife SLPAC8 is a plug-and-play portable air conditioner that combines cooling, dehumidifying, and fan modes in one wheeled cabinet for easy room-to-room use. It delivers 8,000 BTU of cooling with a 900W rated power draw and is intended for living rooms or bedrooms up to roughly 215–350 sq ft depending on layout. Controls include a digital touch panel and a remote for temperature, timer, and three fan speeds, and it ships with a window exhaust kit for installation. The built-in dehumidifier removes moisture at about 1.2 liters per hour, which helps reduce indoor humidity without running a separate appliance. Expect noticeable noise in the mid-50 dB range and modest energy efficiency (SEER 9.8), so it is practical for spot cooling rather than whole-home use. The unit requires a single 120V outlet and uses R410a refrigerant; maintenance is straightforward with a physical mesh filter. For buyers who need flexible cooling plus humidity control in one compact package, this model covers the essentials with minimal setup, though it is not the quietest or most energy-efficient option available.
Best for: Buyers who prioritize a practical single-unit solution to cool and reduce humidity in a single room and want easy installation and mobility over peak efficiency.
Less Ideal for: Do not choose this unit if you need whisper-quiet operation for a bedroom all night or if you plan to cool multiple large rooms or an entire apartment.
- Three functions in one unit: cooling, dehumidifier, and fan for flexible seasonal use
- Portable design with casters and included window exhaust kit for easy relocation and setup
- Remote and digital touch controls let you adjust temperature, timer, and fan speed from across the room
- Built-in dehumidification removes about 1.2 L/hour to reduce indoor humidity without a separate device
- Mid-50 dB operating noise that may be noticeable in quiet bedrooms
- Moderate energy efficiency compared with higher-SEER or inverter models
Verdict: A portable, no-fuss 3-in-1 AC that delivers reliable spot cooling and built-in dehumidification for buyers who want a practical, movable solution.
PeakPursuit 8,000 BTU Portable AC
| Cooling Power | 8000 british thermal units |
|---|---|
| Wattage | 860 |
| Noise | 50 db |
| Capacity | 45 pints |
| Floor Area | 150 square_feet |
The PeakPursuit 8,000 BTU portable air conditioner is a multi-function unit aimed at cooling and dehumidifying small to medium rooms. It cools using an 8,000 BTU compressor and also offers fan, dehumidifier, and sleep modes selectable by remote, while a 24-hour timer and included window installation kit make setup and scheduling straightforward. In real rooms it provides reasonably fast temperature drop for bedrooms and home offices and the dehumidifier function (listed at 45 pints capacity) helps reduce dampness in humid spaces. The unit is compact on casters so you can move it between rooms, and the manufacturer lists noise around 50 dB which is acceptable for overnight use in many bedrooms. Expect typical portable-AC trade-offs: cooling coverage is intended for smaller areas and annual energy consumption is moderately high relative to window units, and weight and dimensions make it less space-efficient than built-in solutions. For budget-focused buyers who need both cooling and humidity control in a portable package, it delivers practical performance without advanced smart features.
Best for: Buyers seeking an affordable, moveable solution that cools and reduces humidity in bedrooms, apartments, or small home offices and who prioritize convenience over premium efficiency.
Less Ideal for: People who need to cool large open-plan rooms, require the highest energy efficiency, or want Wi-Fi/smart-home integration.
- Combines cooling, fan, dehumidifier and sleep modes in one portable unit.
- Includes remote control and 24-hour timer for convenient operation.
- Compact on casters with a window installation kit for easy room-to-room use.
- Quiet operation around 50 dB suitable for bedrooms.
- Designed for small to medium rooms so it will struggle in larger open areas.
- Moderate annual energy consumption compared with more efficient fixed systems.
Verdict: A budget-friendly portable unit that delivers both cooling and dehumidifying for small rooms with easy setup and quiet operation.
KINDOJIA 16000 BTU Portable AC
| Cooling Power | 16000 british thermal units |
|---|---|
| Additional Features | WiFi Enabled |
| Noise | 50 db |
| Wattage | 850 watts |
| Capacity | 650 ml |
This portable air conditioner combines strong cooling power with smart controls and dehumidifying capability for all-day comfort in larger rooms. It operates as a 6-in-1 unit offering cooling, fan, dehumidifier, sleep mode, a 24-hour timer and auto swing, and you can control it from the LED panel, included remote, or the Smart Life app over WiFi. The 16000 BTU rating and 650 ml tank are pitched for spaces up to roughly 700 sq ft, and the unit claims noise levels around 50 dB so it can run overnight without much disruption. Practical benefits include flexible placement, app scheduling, and the built-in dehumidifier to reduce clammy air while cooling. Expect typical portable AC limitations: it needs a window or exhaust for venting, it is fairly heavy to move, and its annual energy consumption is relatively high compared with smaller units. For users who want strong cooling plus humidity control and WiFi convenience, this model covers the essentials well.
Best for: Buyers who prioritize reliable, high-capacity cooling with integrated dehumidifying and remote/smart control for larger rooms and want a dependable all-in-one portable solution.
Less Ideal for: People seeking a lightweight, ultra-low-power solution for very small rooms or those who need a permanently installed central system.
- 16000 BTU cooling suitable for large rooms up to about 700 sq ft
- Built-in dehumidifier and 6-in-1 modes for flexible comfort control
- WiFi app control plus physical remote and LED panel for multiple control options
- Relatively quiet operation rated around 50 dB for nighttime use
- Requires a window/exhaust installation and is not a permanent HVAC replacement
- Unit is heavy which makes frequent relocation difficult
- Annual energy consumption is high compared with smaller portable units
Verdict: Choose this unit if you need a reliable, high-capacity portable air conditioner that also handles dehumidifying and offers WiFi remote control for larger rooms.
BLACK+DECKER Portable Air Conditioner BPACT08WT
| Cooling Power | 9000 BTU (5,300 BTU SACC) |
|---|---|
| Power | 935 watts |
| Refrigerant | R-32 |
| Filter Type | Washable filter |
| Floor Area | 300 |
This BLACK+DECKER portable air conditioner combines cooling, dehumidifying, and fan modes in a single, movable unit designed for rooms up to about 400 sq. ft. It uses a 9,000 BTU rating (5,300 BTU SACC) and R32 refrigerant, and ships with a window installation kit and threaded exhaust hose for easy venting. Typical use is spot-cooling bedrooms, home offices, or living areas where a permanent installation is not practical; casters and side handles make moving and seasonal storage straightforward. The unit includes a follow-me remote that can act as a remote thermostat, a washable filter, and self-evaporating operation to reduce the need to empty water frequently. On the downside the unit runs at nearly 54 dB and draws about 935 watts, so it is not the quietest or lowest-power option for night use or strict energy budgets. It also lacks inverter technology, so efficiency and variable output are more limited than inverter models. For buyers wanting portable cooling with integrated dehumidifying and a simple installation kit, this is a well-rounded, easy-to-use choice.
Best for: Buyers who want a plug-and-play portable solution that cools and reduces humidity in single rooms without permanent installation and value straightforward setup and social-proof reliability.
Less Ideal for: Those seeking whisper-quiet operation, the highest energy efficiency, or the precise variable cooling of inverter-equipped systems should consider other options.
- Three-in-one functionality: air conditioner, dehumidifier, and fan in one unit
- Includes full window installation kit and threaded exhaust hose for easy setup
- Follow-me remote that can act as a thermostat for targeted temperature control
- Washable reusable filter and self-evaporating operation reduce maintenance
- Relatively noisy at around 52–54 dB during operation
- No inverter compressor, so efficiency and variable-speed performance are limited
Verdict: A convenient, easy-to-install portable AC that also dehumidifies and is best for buyers who want reliable, seasonable cooling without permanent installation.
Frigidaire 6,000 BTU Window Air Conditioner
| Cooling Power | 6000 BTU |
|---|---|
| Floor Area | 250 square_feet |
| Noise | 51 db |
| Refrigerant | R-32 |
| Wattage | 545 watts |
The Frigidaire 6,000 BTU window air conditioner is a straightforward window unit for small rooms that combines cooling and moisture control. It cools up to roughly 250 square feet using a scroll compressor and offers three fan speeds, multi-directional airflow, a 24-hour timer, and modes for cooling, dehumidifying, and Eco/Sleep operation. The washable pre-filter and Clean Filter reminder make maintenance simple, and the included remote lets you change settings from across the room. At about 51 dB in operation it stays reasonably quiet for a bedroom. Energy use is moderate with an 11 SEER rating and a listed annual consumption figure, so it is not the most efficient option but appropriate for occasional or seasonal use. Installation requires a suitable window opening and the unit comes with a window kit. If you need a compact window AC that also helps control humidity without extra devices, this model is a practical, no-frills choice, though buyers seeking the highest energy savings or inverter-style variable speed operation will want to consider other designs.
Best for: Buyers who prioritize a reliable, easy-to-use window AC that also removes moisture and who prefer low-maintenance features and simple remote control operation over the latest inverter efficiency technology.
Less Ideal for: People who need the absolute lowest operating cost or precise temperature control provided by inverter or smart variable-speed units should look elsewhere.
- Cools rooms up to about 250 sq. ft. with 6,000 BTU capacity
- Integrated dehumidifying/Dry mode reduces indoor humidity without a separate dehumidifier
- Washable pre-filter with Clean Filter reminder simplifies maintenance
- Includes remote control and 24-hour timer for convenient operation
- Relatively quiet for a window unit at around 51 dB
- Uses a fixed-speed compressor rather than an inverter so it cycles on and off
- SEER rating and annual energy use are moderate compared with high-efficiency units
Verdict: A dependable, bedroom-friendly window air conditioner that cools small rooms and controls humidity with simple, user-friendly controls.
Choosing the Right Air Conditioner with Dehumidifier: Key Factors to Consider
Room Size and BTU Matching
Matching an air conditioner with the correct cooling capacity to the room size avoids short cycling and poor moisture removal. An undersized unit will run continuously without lowering temperature or humidity effectively, while an oversized unit will cool too quickly and not run long enough to remove moisture.
Estimate the square footage and ceiling height of the conditioned space and choose a unit whose rated cooling capacity aligns with that area. Also consider heat-generating factors such as large windows, high occupancy, or equipment that can increase the required capacity. Proper sizing is the first step to ensuring both comfortable temperatures and effective dehumidification.
Dehumidification Performance
Look for a stated dehumidification rate or moisture removal per 24 hours to understand how well the unit handles humidity. Performance can vary with ambient temperature and airflow, so a spec listed at controlled conditions may be optimistic for very warm or very cool rooms.
Consider how humid the space typically is and whether the unit will need to handle laundry drying, basement dampness, or high summer humidity. Choose a unit with capacity above your baseline moisture load to maintain consistent indoor relative humidity in the recommended comfort range.
Energy Use and Efficiency Ratings
Running both cooling and dehumidifying functions can increase energy consumption, so efficiency matters for monthly operating costs. Look for published efficiency metrics, multi-stage compressors, or inverter-driven compressors that modulate output. These technologies maintain target temperature and humidity with fewer on/off cycles and often lower power draw.
Consider how many hours per day the unit will run and whether features like eco or low-power modes are available. Higher upfront efficiency typically reduces long-term running costs, especially in climates where cooling and dehumidifying are both needed for extended periods.
Noise and Nighttime Use
Noise level affects where you can place the unit and whether it is suitable for bedrooms. Dehumidification often requires sustained runtime, so choose a model with a low decibel rating at typical fan speeds if quiet operation matters.
Look for specific low-noise or sleep modes and check how fan speed and compressor modulation affect sound. Lower noise makes it practical to run continuous humidity control overnight without disturbing sleep.
Controls, Modes, and Usability
Effective humidity control depends on convenient, accurate controls. Units with dedicated humidity setpoints, auto modes that balance cooling and moisture removal, and digital displays make it easier to maintain a stable indoor environment. Remote control, programmable timers, and Wi-Fi connectivity are useful for scheduling and remote adjustments.
Also assess filter access and maintenance indicators. Frequent filter replacement or complicated cleaning procedures can reduce long-term performance if not maintained, so choose a design that suits your maintenance habits.
Installation and Drainage Options
How the unit is installed and how it handles condensate matters for reliability and placement flexibility. Some air conditioners with dehumidifier features use gravity drainage, internal collection tanks, or continuous drain pumps. The right drainage option prevents water spills and reduces manual emptying frequency.
Consider where you can route a drain, whether a pump is necessary for your layout, and how straightforward installation will be for window, wall, or through-the-wall configurations. Installation complexity and drainage logistics affect both performance and ongoing convenience.
How Dehumidifier Modes Differ From Standard Cooling
Dehumidifier modes change compressor and fan behavior to prioritize moisture extraction over rapid temperature drops. Instead of running at maximum capacity to drop room temperature quickly, the unit maintains steadier operation and higher coil exposure to airflow so more moisture condenses out of the air.
This mode is useful when the air feels clammy even at comfortable temperatures or when you need to reduce humidity without overcooling the space. Understanding this behavior helps set expectations about temperature and runtime when the dehumidifier function is active.
- Dehumidifier mode often reduces fan speed and keeps the compressor running longer.
- Temperature may stay fairly stable while relative humidity drops.
- Some units automatically combine dehumidifying with gentle cooling for balance.
Placement and Airflow Considerations
Proper placement ensures efficient moisture removal and even cooling. Avoid blocking the unit's intake or discharge, and keep airflow paths clear of curtains and furniture. Positioning the unit where humid air naturally accumulates, such as near a bathroom door or basement stairwell, can improve performance.
For window or through-the-wall installations, check that outside airflow is unobstructed and that the unit seals well to prevent warm infiltration that reduces dehumidification efficiency.
- Keep the intake clear for at least 2 to 3 feet.
- Ensure exhaust air is directed away from windows or outdoor living spaces.
- Avoid placing the unit directly over valuable electronics or wood floors without proper drip protection.
Maintenance Tasks That Preserve Dehumidifying Performance
Routine maintenance keeps both cooling and moisture-removal systems operating effectively. Clean or replace air filters regularly because dusty filters reduce airflow and lower the rate of moisture condensation on the evaporator coil. Inspect the coil and condensate drainage path seasonally for blockages or buildup.
If your unit uses an internal collection tank, empty it as recommended and check float switches to avoid overflow. For continuous-drain setups, verify the hose integrity and slope to prevent backups.
- Clean washable filters every 1 to 2 months in heavy-use seasons.
- Schedule professional coil and refrigerant checks annually for sustained performance.
- Test drain lines and pumps before peak humidity months.
When To Use Dedicated Dehumidification Versus Combined Cooling
Use dedicated dehumidification when humidity is the primary discomfort and temperatures are already near your comfort point. Running a dehumidifier-focused mode prevents overcooling while bringing relative humidity down to more comfortable levels. This is common in spring or fall when temperatures are moderate but humidity is high.
Combined cooling and dehumidifying is appropriate in hot, humid weather when you need both temperature drop and moisture removal. Understanding when to toggle modes helps optimize comfort and energy use.
- Choose dehumidify mode when temperatures are comfortable but air feels sticky.
- Use combined mode during hot, humid days to address both problems simultaneously.
- Monitor indoor relative humidity to decide which mode is most efficient.
Signs Your Space Needs Stronger Dehumidification
Persistent condensation on windows, a musty odor, visible mold spots, or damp fabric are clear indicators that humidity is too high. These signs suggest the current system is not removing moisture fast enough and that a model with higher dehumidification capacity may be needed.
Regularly measuring indoor relative humidity with a hygrometer gives objective data; aim for a range that balances comfort and mold prevention. If humidity frequently exceeds that range, plan for a unit with a higher moisture removal rating or supplemental dehumidification strategies.
- Check for condensation after cool nights or during humid spells.
- Note any recurring mold on walls, ceilings, or closets.
- Track humidity trends over several days rather than relying on single readings.
How We Chose the Best Air Conditioner with Dehumidifier
We filtered candidates by cooling capacity matched to typical room sizes and by proven dehumidification rates so each pick performs both functions without overworking the compressor. Energy efficiency and seasonal energy ratio or similar ratings were used to favor units that lower running costs while delivering consistent humidity control. Noise output at typical operating modes was measured or reported to ensure the picks remain suitable for bedrooms and living spaces. Controls and user features were assessed for real-world convenience, including modes for humidity setpoints, fan speed options, scheduling, and ease of filter access. Durability considerations included build quality, warranty coverage scope, and availability of serviceable components. We excluded units that only offer brief or weak moisture reduction, window or portable models with undersized dehumidification capacity for their claimed cooling area, and products lacking clear efficiency or noise data. The final list balances cooling capacity, moisture removal per day, energy use, and day-to-day usability so each selection is practical for homeowners seeking combined cooling and dehumidifying performance.
Our full evaluation process is outlined in our review methodology.
FAQ
Can an air conditioner with dehumidifier run continuously?
Many units are designed for extended runtime, but continuous operation increases energy use and wear. Use modes that modulate compressor speed or set humidity targets to minimize unnecessary cycling and extend component life.
Will running dehumidifier mode make the room colder?
Dehumidifier mode focuses on moisture removal and may keep temperature changes minimal. You can expect a slight temperature drop in some cases, but the main effect is reduced humidity rather than aggressive cooling.
How often should I clean filters when using dehumidification frequently?
If you run dehumidification regularly, check and clean washable filters every 4 to 8 weeks. Heavier dust or pet hair may require more frequent attention to maintain airflow and moisture removal efficiency.
Is a pump required for condensate drainage?
A pump is only necessary when gravity drainage is not possible due to placement. If your installation allows for a downward drain, a pump is not required. Choose a model with a built-in pump if you need horizontal or uphill drainage.
How do ambient temperature and humidity affect dehumidification?
Dehumidification capacity typically varies with ambient conditions. Units generally perform best within a designed temperature range; very low or very high room temperatures can reduce moisture removal effectiveness compared with standard test conditions.
Final Verdict
Prioritize proper sizing, a clear dehumidification capacity, and realistic efficiency metrics when choosing an air conditioner with dehumidifier capability. Balance quiet operation and convenient controls with the drainage and maintenance needs of your space so the unit fits your daily routine. Focus on the tradeoffs between upfront features and long-term running cost to select a model that consistently controls both temperature and humidity.