Dehumidifier 733S vs Smart Humidifier 755S: Which Controls Moisture
By DREO Home Ecosystem | Air Comfort, Smart Kitchen | Published: 2026-10-31
Category: Comparisons
Compare DREO Dehumidifier 733S and Smart Humidifier 755S to decide which device fits your moisture control needs based on room size and climate.
Quick answer
Choose the Dehumidifier 733S if your space feels damp, musty, or overly humid. Choose the Smart Humidifier 755S if your air is dry and you need to add moisture for comfort.
Understand the core difference
The Dehumidifier 733S removes moisture from the air, while the Smart Humidifier 755S adds moisture to it. They solve opposite problems, so your choice depends on whether your home feels too wet or too dry.
If you live in a humid climate or have a basement that feels damp, a dehumidifier helps prevent mold and musty smells. If you experience dry skin, static electricity, or frequent nosebleeds in winter, a humidifier can restore comfort.
Consider room size and runtime
The Smart Humidifier 755S has a 16L tank, which can run for days on a single refill. It is designed for large spaces and delivers rapid, uniform humidification with mist that reaches up to 6 feet high.
The Dehumidifier 733S removes 73 or 95 pints of moisture per day, depending on the size option you choose. It can reduce humidity by up to 25% per hour, making it effective for quickly addressing damp conditions.
Think about how often you want to maintain the unit. The humidifier's large tank means less frequent refills, while the dehumidifier's 7L tank may require more frequent emptying unless you use the continuous drain option.
Trade-offs to consider
- Humidity level: If your indoor humidity is consistently above 50% or you see condensation on windows, choose the Dehumidifier 733S. If humidity is below 30% and you feel dry, choose the Smart Humidifier 755S.
- Room size and runtime: The 755S is built for large spaces and long runtime with its 16L tank. The 733S is also powerful for large areas but requires more frequent emptying unless you use a continuous drain. Check the size option of the 733S to match your room's needs.
- Energy and noise: The 733S is ENERGY STAR 6.0 certified, using 30% less energy, and operates at 42dB. The 755S does not list energy certification, so if energy efficiency is a priority, the dehumidifier has an edge. If you run the unit daily, the 733S may cost less to operate.
Product facts
- Smart Humidifier 755S 16L: The Smart Humidifier 755S features a 16L tank and can run for days on a single refill, with mist reaching up to 6 feet for rapid, uniform humidification in large spaces. This makes it a low-maintenance option for keeping large rooms comfortable during dry seasons.
Smart Humidifier 755S 16L - Dehumidifier 733S: The Dehumidifier 733S removes up to 73 or 95 pints of moisture daily, reduces humidity by up to 25% per hour, and includes a large 7L water tank with continuous drain option. It quickly tackles dampness and offers flexible drainage, so you can run it continuously without frequent emptying.
Dehumidifier 733S
Which one fits you?
Best for
- Homes in humid climates or rooms with dampness, musty smells, or condensation
- Users who want smart control, energy efficiency, and continuous drainage options
Not for
- Dry climates or winter months when you need to add moisture to the air
- Users who want a low-maintenance humidifier with a large tank and minimal refills
