How can I lower the humidity in my house without AC?

Author: Doyle Purdy  |  Last update: Thursday, November 6, 2025

Use A Dehumidifier (Or A DIY Version) If the humidity hits without forewarning and you find yourself without an actual dehumidifier machine, you can also go a chemical route. Several substances like charcoal, rock salt, cat litter, and baking soda can help to draw moisture out of the air.

How to get rid of humidity in house without AC?

Increase air circulation by using fans and by moving furniture from wall corners to promote air and heat circulation. Be sure that your house has a source of fresh air and can expel excessive moisture from the home.

Is 70% humidity too high for a house?

High humidity can cause problems in your home if relative humidity regularly exceeds 60%.

How to reduce humidity in house naturally?

Easy ways to ventilate and reduce damp

Open doors and windows for 10-15 minutes each morning, or use a ventilation system. Airing out a room when you turn off the heater also helps to avoid condensation. Use energy efficient, low emissions heaters. Heat every room being used by someone to at least 18°C.

How to get moisture out of house without a dehumidifier?

  • Run hot shower with drain closed and fan blowing into bathroom. When tub is full, turn off shower. Hot water in tub will continue to provide humidity.
  • Microwave water with fan on high. Leave door open when done.
  • Use a slow cooker with lid off.
  • Put a damp towel over a fan. This option doesn't heat house up.

How to keep your house cool in the summer without AC

What is the fastest way to dehumidify a house?

Here are our tips on how to decrease humidity in a house.
  1. Ideal Indoor Humidity Level. ...
  2. Turn on AC to Remove Humidity. ...
  3. Use Exhaust Fans to Lower Humidity. ...
  4. Take Cool Showers. ...
  5. Fix Leaky Pipes. ...
  6. Use Charcoal Briquettes as a Dehumidifier.

What soaks up moisture under house?

To remove the standing water from your home, you need a device that will soak up the water and put it elsewhere. This is what a sump pump does. There are two types: pedestal sump pumps and submersible sump pumps.

What pulls humidity out of house?

Turn On The Fans

These fans can often be found in places where air movement is especially important for dehumidifying because of heat- and moisture-producing activities like cooking and showering. Turn on your oven and bathroom fans to promote air circulation and reduce humidity.

What is the cheapest homemade moisture absorber?

Baking Soda: Baking soda is cheap and easy to find. It's great for small areas and helps neutralize odors while absorbing moisture. Use it in closets or cabinets.

Do fans help reduce humidity?

Ceiling fans can be extremely beneficial in reducing humidity in a home because they are able to keep air circulating across an entire room and from the top down. Even a fan spinning at a low speed can help drastically with air circulation and lowering humidity.

How long does it take to reduce humidity in a house?

As long as the dehumidifier you choose is large enough for the area it is working in, and there are no specific damp problems, then a dehumidifier will normally reduce the humidity to the chosen level within a few days to a week.

At what humidity does mold grow?

Mold needs 55% or higher humidity in order to grow. Also, remember that reducing humidity below 30% isn't a good idea, either. This can cause health problems, making your eyes nose and skin dry, and exasperate lung and skin conditions.

Where to place a dehumidifier?

It's best to place it somewhere central in the house, being sure to think about where your sources of moisture are. Moisture problems like damp and mould are typically likely to arise in the bathroom, where showers and baths create lots of steam. And so, it is best to position your dehumidifier on the landing.

Does baking soda lower humidity?

Baking soda as a moisture absorber

Remove dampness by filling a small bowl with baking soda and placing it in the room you'd like to dehumidify. Although it's not as effective as rock salt in combating humidity, it's good for enclosed spaces where moisture is an issue.

Why is AC not removing humidity?

Dirty filters, clogged drains, and other issues can prevent the system from removing humidity effectively. Thermostat issues: If your thermostat is improperly set or malfunctioning, your AC system may not be removing humidity as well as it could.

How much does a whole house dehumidifier cost?

The cost to have a whole-house dehumidifier installed typically ranges from $1,000 to $2,800 or more, including both the unit and professional installation. Prices vary based on the system's capacity, brand, and complexity of installation.

What is a natural dehumidifier?

Plants are natural dehumidifiers because they absorb water from their surroundings through their leaves and release moisture back out through transpiration. This process helps regulate humidity levels and create fresh air in any space! And some plants are better than others.

Is DampRid as good as a dehumidifier?

"While DampRid is nowhere near as rapid or effective as a good dehumidifier, it almost works the same as a poor-performing dehumidifier," says Chris. We know you want the dry details, so you can read how DampRid fared in a mild 65% humidity test against all the currently available dehumidifiers in our review.

How to quickly dehumidify a room?

How to Dehumidify A Room
  1. Open your windows and doors. One of the simplest and most effective ways to reduce indoor humidity is by opening your doors and windows to improve air circulation. ...
  2. Turn on your fans. ...
  3. Run a dehumidifier. ...
  4. Use your air conditioner. ...
  5. Create a DIY dehumidifier. ...
  6. Combine the above methods.

How to remove humidity from room without AC?

Create cross ventilation by opening windows on opposite sides of the house to promote air circulation. Close curtains, blinds, or shades during the hottest parts of the day to block out direct sunlight and heat. Utilize exhaust fans in bathrooms and kitchens to remove hot air and humidity from these spaces.

What product reduces humidity in a house?

A dehumidifier is designed to remove moisture from the air and is essential for any homeowner dealing with recurring high humidity problems. You can purchase portable dehumidifiers for isolated issues or have a whole-home dehumidifier installed to handle high humidity throughout the entire house.

What are some tricks to reduce humidity?

How to reduce humidity in a house
  • Purchase the right dehumidifier. ...
  • Insulate your home against outdoor humidity. ...
  • Ventilate your house if there is a breeze outside. ...
  • Use salt to absorb moisture. ...
  • Limit how much moisture you are creating. ...
  • Turn on the AC. ...
  • Recirculate air with your HVAC system. ...
  • Pick up some new houseplants.

How do you get rid of moisture under your house?

Install a drainage system with a sump pump to effectively remove moisture from the soil surrounding your home. This system collects and removes water, keeping the crawl space dry even during heavy rains. One of the most effective drainage systems is a drain tile system.

What will draw moisture out?

Open windows and doors to help speed up the drying process. Use fans to move air around the damp walls. Also use dehumidifiers, which can help remove moisture from the air and walls. Professionals use tools like moisture meters, infrared imaging devices, dehumidifiers and heavy-duty fans.

How do I fix too much moisture in my house?

Reduce sources of water evaporation (bathing, cooking, humidifiers, etc.). Install or inspect and repair exhaust fans in your bathrooms. Install an exhaust fan in the kitchen to remove moisture caused by cooking. Bring dry outdoor air into the home to replace stale, moist air that is being exhausted.

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