If you are dealing with a muggy space, buying expensive tech isn't your only option. Here is how to dehumidify a room using things you probably already have lying around the house.
How to Dehumidify a Room Without a Dehumidifier: 6 Quick Ways
JUN 15, 2026
Last updated: JUN 15, 2026
761 views, 5 mins read
Sticky air, musty closet shelves, and fogged-up bathroom mirrors—if you’ve lived through a humid summer or rainy monsoon season, you know how miserable excess indoor moisture can feel. Beyond discomfort, ongoing high humidity sets the stage for mold growth, dust mites, and even respiratory irritation over time.
The good news is you don’t need to splurge on a bulky, expensive dehumidifier to fix the problem.
In this guide, we’ll break down exactly how to dehumidify a room without a dehumidifier using low-cost, everyday tricks, plus cover everything you need to know about drying times and the most effective methods for your space.
In this article
How to Dehumidify a Room without a Dehumidifier [6 Natural Ways]
1. Harness the Power of Baking Soda
Baking soda isn't just for baking cookies or keeping your fridge smelling fresh; it’s an exceptional moisture absorber. Because it is highly hygroscopic, it naturally pulls water vapour right out of the air.
- How to do it: Grab a few small bowls, fill them with baking soda, and place them in the corners of your damp room.
- Pro tip: Keep an eye on it! Over time, the powder will harden into chunks as it traps moisture. When it does, just swap it out for a fresh batch.
- How long does it take: You will start to notice a small difference in the immediate vicinity within 24 hours, but it takes about 3 to 5 days of continuous exposure to visibly crust over and lower the ambient humidity of a small, sealed room.
2. Set Out Bowls of Rock Salt
If you want a heavy-duty natural solution, reach for rock salt. It works similarly to baking soda but can handle slightly larger spaces.
- How to do it: Drill small holes in the bottom of a five-gallon bucket, put rock salt inside, and nestle that bucket inside another intact bucket. As the salt pulls moisture from the air, the water drains into the bottom bucket. It’s a classic DIY trap that works wonders in damp basements.
- How long does it take: Liquid will begin collecting in the bottom bucket within 2 to 3 days. For a noticeable drop in room humidity, expect it to take about 5 to 7 days.
3. Bring in Moisture-Loving Houseplants
Can plants actually help dry out the air? Yes, but you have to pick the right ones. While some plants release moisture, others drink it through their leaves. Look for varieties like English Ivy, Peace Lilies, Boston Ferns, or Tillandsia (air plants). They act like beautiful, green mini-dehumidifiers that liven up your decor while keeping the stickiness at bay.
- How long does it take? This is a long-term, passive solution. It takes about 2 to 3 weeks for a group of mature plants to establish a stable, noticeable reduction in a room's ambient moisture levels.
4. Open Windows and Let the Air Flow
Sometimes the best solution is the simplest one. If the weather outside is dry and breezy, just crack open your windows. Creating a cross-breeze by opening windows on opposite sides of the room forces trapped, humid air out and brings fresh air in. However, keep them shut if it's pouring rain outside, or you'll just invite more moisture in!
- How long does it take? This is the fastest natural method. On a dry, windy day, a good cross-breeze can flush out sticky air and dry a room in just 30 to 60 minutes.
5. Take Shorter, Cooler Showers
Your daily routine might be contributing to the problem. Hot showers generate massive amounts of steam that settles on your walls and floors. By switching to cooler water and cutting your shower time down by just a few minutes, you drastically reduce the humidity footprint in your home. Always leave your bathroom fan running for at least 20 minutes after stepping out.
- How long does it take? This method works by preventing humidity rather than removing it. By making the switch, you will prevent sudden humidity spikes instantly, and existing bathroom steam will dissipate within 20 to 30 minutes with proper ventilation.
6. Crank Up Your AC and Ceiling Fans
While this technically uses a machine, it’s a brilliant workaround if you are figuring out how to dehumidify a room without dehumidifier units. Your air conditioner naturally removes moisture as it cools the air. Pair it with a ceiling fan rotating counterclockwise to increase airflow, which helps evaporate surface moisture on furniture and walls much faster.
- How long does it take? Very effective and relatively fast. An air conditioner paired with ceiling fans can significantly dry out a room in 1 to 4 hours, depending on the room's size.
Best Way to Dehumidify a Room?
While natural hacks are fantastic for mild dampness or saving a bit of cash, they have their limits. If you live in a swampy climate or are dealing with a leaky basement, the absolute best way to dehumidify a room efficiently is by using a dedicated compressor or desiccant dehumidifier.
A high-quality unit can pull liters of water from the air in a single day, protecting your home from structural damage and mould. If you find yourself constantly replacing bowls of rock salt or wiping condensation off your windows, investing in a dehumidifier will save you time, energy, and peace of mind in the long run.
If you are looking for a reliable, hassle-free upgrade, we highly recommend checking out a Newentor dehumidifier. Known for their whisper-quiet operation and powerful moisture extraction, Newentor units are incredibly efficient at transforming sticky, damp spaces into crisp, comfortable environments with just the press of a button. It is a game-changer for anyone tired of dealing with high humidity day after day.
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FAQs
How long does a dehumidifier take to dry a room?
On average, it takes anywhere from 24 to 72 hours for a dehumidifier to initially dry out a damp room. The exact time depends on the size of the room, how powerful the machine is, and just how wet the space was to begin with. Once the initial baseline is reached, the machine will only need to run intermittently to maintain comfort.
How long does it take to dehumidify a room using natural methods?
If you are wondering how long to dehumidify a room using baking soda or open windows, patience is key. Natural methods generally take a few days to a week to show noticeable results. They work passively, so they won't give you that instant crisp feeling that an electric appliance provides.
Why does my room feel so humid even with the AC on?
If your air conditioner is too large for your space, it will cool the room down so quickly that it shuts off before it has a chance to properly remove moisture from the air. This leaves you with a room that feels both cold and clammy—a super uncomfortable combo!
Bottom Lines
Keeping high humidity under control is key to a fresh, healthy and durable home in Australia. Investing in the best dehumidifier for high humidity—specifically Newentor’s 25L dehumidifier—saves you from mould damage, musty smells and uncomfortable sticky air all year long.
You don’t need an expensive appliance to beat sticky, damp air. Simple daily habits and DIY tricks work great for everyday use. For faster, reliable year-round humidity control, we recommend the Newentor dehumidifier.
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