Midea Cube 50 Pint Dehumidifier: Setup, Settings and Upkeep Guide (2026)

By Graham Fisher

Updated November 2026

A midea cube 50 pint dehumidifier is a compact, portable unit rated to remove up to about 50 pints of moisture from the air per day under standard test conditions. This guide walks you through sizing the unit for your space, placing it correctly, setting humidity and fan controls, handling water removal, and keeping it clean so it runs efficiently. By the end, you should have a dehumidifier that holds your target humidity without wasting energy or running into common problems like freezing coils and clogged filters.

Understand What the 50-Pint Rating Means

The pint rating on a dehumidifier comes from a standardized test, and it is not the amount you will collect every day in your home. Manufacturers typically measure capacity at around 80°F and 60% relative humidity, which is much more moisture-laden air than most basements or bedrooms contain in cooler months. In a damp basement at 70°F, the same unit usually pulls out considerably less water.

For a midea cube 50 pint dehumidifier, the practical takeaway is that capacity is a ceiling, not a guarantee. Use it as a way to compare models, then rely on the room size, the moisture load and your target humidity to decide whether the unit is right for you.

Step 1: Size the Room and Assess the Moisture Load

Before you plug anything in, measure the space you want to dehumidify. Multiply length by width by ceiling height to get cubic feet. Basements with little airflow, bathrooms without exhaust fans and laundry rooms with frequent drying tend to need more capacity than the square footage alone suggests. If the room is closed off and you are dealing with persistent mustiness or visible condensation on windows, you likely have a higher moisture load.

A common rule of thumb for general-purpose compact dehumidifiers is that a unit this size suits spaces up to roughly 2,000 to 4,000 square feet in mild conditions, but damp, poorly ventilated areas may need a larger machine. Treat those numbers as starting points and check the manufacturer’s own coverage guidance for the specific model you own.

Tools and Supplies You Will Need

• A tape measure for calculating room volume
• A digital hygrometer to measure actual relative humidity
• A short garden hose or drain hose, if you plan continuous drainage
• A soft brush or vacuum with a brush attachment for filter cleaning
• A flat tray or bucket, if you will collect water manually

Step 2: Choose the Right Placement

Placement affects both efficiency and how evenly the room dries. Position the unit near the source of moisture when possible, such as close to a basement wall with seepage, but keep it away from direct obstructions. Leave clear space around the intake and outlet, usually at least 6 to 12 inches on each side, as recommended in most manufacturer manuals.

Avoid placing the unit in a corner or behind furniture, since restricted airflow forces the compressor to work harder. Keep it on a level, hard surface. Do not run it on carpet, where vibration and dust can build up, and keep it away from curtains or stored boxes that could block the air path.

Step 3: Set the Humidity Target and Fan Speed

Most dehumidifiers in this class let you set a target relative humidity, commonly in the 30% to 80% range in 5% steps. For general comfort and mold prevention, many homeowners aim for 45% to 50%. Going much lower wastes energy and can dry out wood floors and furniture, while settling above 60% leaves room for mold and dust mites to thrive.

1. Place the hygrometer in the room at about head height, away from the unit itself.
2. Set the dehumidifier to 50% humidity to start.
3. Run the unit for 24 hours with doors and windows closed.
4. Check the hygrometer reading. If the room stays above 55%, lower the setting or consider a larger unit.
5. If the room is under 40% for long periods, raise the setting to reduce energy use.

Fan speed controls how much air passes over the coils. Higher fan speed moves more air and can dry a room faster, while lower speed is quieter and works well for overnight use in bedrooms. Use the higher setting for initial drying and switch to a lower speed once humidity is stable.

Step 4: Manage Water Collection and Drainage

The unit collects condensed water in an internal tank, and most models shut off when the tank is full. This is convenient for occasional use but becomes a chore when the machine runs constantly. For long-term or unattended operation, connect a drain hose so water flows to a floor drain, sump or outdoor location.

To set up continuous drainage, locate the drain outlet on the back of the unit, attach a hose of the correct diameter, and make sure the hose runs downhill without kinks. Gravity does the work, so the outlet must sit below the unit’s drain port. Check the manual for whether the unit needs to be in drain mode, since some models require a setting change or a removable plug to allow gravity drainage.

Empty the Tank Safely

If you empty the tank by hand, lift it straight out, carry it level and pour slowly to avoid splashing. Empty it at least once a day during heavy use, and never let it sit full for several days because stagnant water can develop odor and bacteria.

Step 5: Maintain the Filter, Coils and Tank

Routine cleaning keeps airflow strong and prevents odors. Check the air filter every two to four weeks in a typical home and more often in dusty areas. Wash the filter with lukewarm water, let it dry fully before reinserting it, and replace it if it tears or no longer looks clean after washing.

Wipe the interior of the water tank monthly with a mild solution of water and a small amount of white vinegar or a manufacturer-approved cleaner. Rinse thoroughly. Dust the exterior and vents regularly, and check the coils lightly with a soft brush if you see buildup, but never use metal tools on the fins.

Common Mistakes to Avoid

• Setting humidity too low. Running at 30% in a living space wastes power and can cause static, cracked wood and dry skin.
• Blocking airflow. Pushing the unit against a wall or under furniture reduces efficiency and can lead to overheating.
• Ignoring the full-tank shutoff. A full tank that stops the unit mid-cycle is a sign you need drainage or more frequent emptying.
• Running with doors open. Dehumidifying the outdoors is inefficient, so close doors and windows to the treated space.
• Trusting the rated capacity. Real-world output depends on temperature and humidity, so measure results with a hygrometer rather than assuming.
• Skipping filter care. A clogged filter reduces airflow and can make the unit run longer for the same result.

Tips for Better Results

• Run the unit in a basement or bathroom with the door closed to keep humid air from migrating back in.
• Use a hygrometer in more than one spot if the home has uneven airflow.
• Pair the unit with an exhaust fan when showering or cooking to reduce the load at the source.
• Keep the room temperature above about 65°F when possible, since most compact dehumidifiers perform poorly in cold air.
• If you notice frost on the coils, turn the unit off, let it thaw and move it to a warmer space.

If you are deciding between a dehumidifier and a purifier for a damp, allergy-prone room, the comparison in Air Dehumidifier vs Air Purifier (2026): Which Is Better for Your Home? explains where each device fits. For the allergy side specifically, Air Purifier or Dehumidifier for Allergies (2026): Which Is Better? covers how humidity and particle removal interact. If you also want to reduce dust and odors, Dehumidifier Air Purifier Combo: How to Choose One That Works (2026) outlines what to look for in a combined unit. For a wider look at similar machines, see Best Dehumidifiers, and if you have a wall-mounted setup in mind, HWD-45 Wall Mounted Horizontal Dehumidifier Review (2026) offers a different installation approach.

Recommended gear

• Digital hygrometer: Confirms the actual humidity in the room so you can adjust the target based on readings rather than guesswork. View on Amazon
• Drain hose for dehumidifiers: Lets the unit drain continuously to a floor drain or sump, eliminating frequent tank emptying. View on Amazon
• Soft-bristle cleaning brush: Removes dust from the filter and vents without bending the fins or damaging the mesh. View on Amazon

FAQ

Is a midea cube 50 pint dehumidifier suitable for a whole house?

Usually not. Compact units of this capacity are best for single rooms, basements or small apartments. Whole-house moisture control generally calls for a larger, ducted or whole-home system.

What humidity should I set?

Many people aim for 45% to 50% relative humidity, which helps limit mold and dust mites while avoiding excessive dryness. Adjust based on hygrometer readings and comfort.

Can I run it continuously with a drain hose?

Yes, if the model supports gravity drainage and the hose runs downhill to a suitable drain. Check the manual to confirm the correct setting and hose fitting.

Why does the unit shut off before the tank looks full?

Some models stop when a float sensor detects a full tank, and debris or a misplaced float can trigger early shutoff. Clean the tank and check the float if this happens repeatedly.

How often should I clean the filter?

Check every two to four weeks in a typical home and more often in dusty environments. Wash it, dry it completely and reinstall it before running the unit again.

Why is the coil frosting?

Frost usually appears when the room is cold, often below about 65°F, or when airflow is restricted. Turn the unit off, let the frost melt, and move it to a warmer area.

Does it need to be plugged into a dedicated outlet?

Many compact dehumidifiers draw a moderate amount of power and should be plugged directly into a wall outlet rather than a power strip or extension cord. Confirm the requirements in your manual.

If you have health concerns such as asthma or serious allergies, or if mold is visible in a large area, consult a qualified healthcare provider or a licensed mold remediation professional before relying on a dehumidifier alone.

Conclusion

A midea cube 50 pint dehumidifier works best when you size it to the room, place it where air can move freely, and set a humidity target you verify with a hygrometer. Choose a drainage method that fits how often you can empty the tank, and keep the filter and tank clean. Follow these steps and the unit should hold steady humidity without wasting energy or running into the usual problems.

About Graham Fisher

Graham Fisher is part of our editorial team and reviews and edits our indoor air guides, checking product details against manufacturer specifications and owner feedback.