why is my dehumidifier freezing up

Why Is My Dehumidifier Freezing Up? Learn the Causes & Solutions


Are you having trouble with your dehumidifier freezing up? You might be overlooking an important reason why: blocked air flow. Taking care of your condenser coils and fan can help prevent your dehumidifier from freezing up and keep the air in your home comfortable.

Quick Summary

A dehumidifier can freeze up for a variety of reasons. One of the most overlooked reasons for dehumidifier freezing up is blocked air flow. If the condenser coils become blocked or the fan needs repair, it can affect air flow and cause the dehumidifier to freeze up. Checking the fan and its fins, as well as the filter, are important steps to take to prevent a frozen dehumidifier. Additionally, refrigerant levels, ductwork, and compressor function should be checked to locate possible problems. If the temperature drops too low, it can also greatly affect the dehumidifier’s operation. Keeping the dehumidifier located away from cold air drafts and insulating the outside casing can help prevent the unit from freezing up.

Discover Why Your Dehumidifier Is Freezing Up – Causes & Solutions

Having a dehumidifier in your home is a great way to keep your air dry and comfortable, but when your dehumidifier freezes up, it’s time to find a solution. Before you can solve the problem, it’s important to discover why your dehumidifier is freezing up in the first place so you can address it in the correct manner.

Common Causes Of Dehumidifier Freezing Up

  • Low Ambient Room Temperature: If the temperature of the room where the dehumidifier is located is too low, it can cause the unit to freeze up.
  • Leaking or Poorly Sealed Drain Line: If your drain line is leaking, the condensation from the unit can cause it to freeze up.
  • Low Refrigerant Pressure: Low refrigerant pressure can cause the unit to freeze up and needs to be checked and addressed by a professional.
  • WebAir Flow: Air flow that is blocked is another overlooked reason that brings about dehumidifier freezing up. Condenser coils that are chocked up or a fan in need of repair can be the reasons why air flow is affected. Keeping a check on the fan, its fins, and all associated components can help you to avoid the unit’s compressor and condensing coils from freezing up.

Simple Solutions To End Dehumidifier Freezing Up

  1. Check the ambient room temperature of the area where the dehumidifier is located.
  2. Check for any leaks in the drain line and ensure that the line is sealed properly.
  3. Check the refrigerant pressure and have the pressure adjusted by a professional.
  4. Check the air flow and make sure the fan, fins, and all associated components are functioning properly.

When troubleshooting why your dehumidifier is freezing up, it is important to remember to keep the room temperature of the area where the unit is placed at a consistent level, inspect and repair any leaks in the drain line, check the refrigerant pressure and air flow. All of these are causes of dehumidifier freezing up and can be easily and quickly addressed. With proper maintenance and care, you can have your dehumidifier functioning as it should in no time.

Related Products

1.) Yaufey 2500 Sq. Ft Home Dehumidifier for Medium to Large Rooms and Basements with Auto or Manual Drainage, 0.48 Gallon Water Tank Capacity – Low Noise and 24 Hr Timer

The Yaufey 2500 Sq. Ft Home Dehumidifier for medium to large rooms and basements is a great solution for those looking to reduce damp in the air and remove excess moisture. It is particularly suited to those asking the question “why is my dehumidifier freezing up”. With its 0.48 Gallon Water Tank Capacity, low noise levels, and auto or manual drainage, it is both energy-efficient and reliable. It also includes a 24-hr timer, giving the ultimate in convenience and control over humidity.

  • Auto or manual drainage for convenience and easy upkeep
  • 0.48 Gallon Water Tank Capacity for low energy usage
  • Low Noise level
  • 24-hr Timer gives control and convenience
  • Ideal solution to address WHY IS MY DEHUMIDIFIER FREEZING UP?

2.) Eva-dry E-333 Renewable dehumidifier, Pack of 1, White Sand

The Eva-dry E-333 Renewable dehumidifier, Pack of 1, White Sand is an ideal solution for why is my dehumidifier freezing up. This dehumidifier works by absorbing and storing moisture in a spill-proof chamber. As it absorbs moisture, a built-in color indicator changes from orange to green so that you know when your dehumidifier is full and needs to be recharged. The renewable, compact design also includes a silent operation which won’t distract you.

  • Compact design
  • Rechargeable
  • Silent operation
  • Spill-proof
  • Color indicator

With the Eva-Dry E-333 dehumidifier, you can eliminate excess moisture from the air without worrying about it freezing up. It’s ideal for areas up to 333 cubic feet and helps prevent mold, mildew and other allergens.

3.) SEAVON Dehumidifier 35oz Dehumidifiers for Home 2500 Cubic Feet (280 sq ft) with 7 Color LED Light, Portable Quiet Dehumidifier with Two Working Mode for Basements, Bedroom, Bathroom, RV

The SEAVON Dehumidifier is the perfect solution for a home dehumidifier.

This dehumidifier will keep your home from freezing up and optimal humidity levels, making it the perfect fit for any basement, bedroom, bathroom or RV. It is able to cover up to 2500 cubic feet (280 sq ft) with a capacity of 35oz, making is one of the most powerful and efficient dehumidifiers available. It also has two working modes which allow for energy-saving which saves on electricity bills. Moreover, this device has 7 color LED lights, which adds a nice decorative touch to any room.

Why is my dehumidifier freezing up? The SEAVON Dehumidifier is designed to maintain ideal humidity levels so that your dehumidifier will not freeze up. With its powerful performance and energy saving modes, you can achieve optimal humidity levels in your home in no time!

4.) Pro Breeze Dehumidifiers for Home, 225 sq ft Mini Dehumidifier, Compact Portable 17oz Capacity for High Humidity in Home, RV, Bedroom, Bathroom, Basement, Kitchen, Laundry or Closet

The Pro Breeze Dehumidifier is an essential home appliance that prevents excess humidity in the home and keeps it at a balanced level. It is designed to capture up to 225 sq ft of air and keep the air dry, reducing issues such as unpleasant odors and mildew in your home. This dehumidifier is also designed to prevent it from freezing up, making it reliable and durable to use.

Here are the reasons why your dehumidifier won’t freeze up when using the Pro Breeze Dehumidifier:

  • The Pro Breeze Dehumidifier features an auto-defrost mode which helps to maintain optimal humidity levels.
  • The Pro Breeze home dehumidifier also includes a built-in adjustable humidistat for added convenience.
  • It requires minimal maintenance as it features an easy-to-empty tank and a continuous drain hose for convenient draining of condensation.
  • It’s easy to operate and is equipped with an easy-to-read digital LCD display for viewing the current humidity levels.
  • The dehumidifier is designed to be energy-efficient, saving you money in the long run.

Using the Pro Breeze Dehumidifier

5.) NineSky Dehumidifier for Home, 88 OZ Water Tank, Dehumidifier for Bathroom, Bedroom with Auto Shut Off, 5 Colors LED Light

If you’re tired of your dehumidifier freezing up, then the NineSky Dehumidifier for Home is the perfect choice for you. It has an 88 OZ Water Tank and a smart Auto Shut Off system designed to shut off when the water reaches a safe level. It also has 5 Colors LED Lights which are perfect for use in a Bedroom or Bathroom.

  • 88 OZ Water Tank allows you to use it for longer time.
  • Auto Shut Off system shuts off when the water reaches a safe level, minimizing the risk of freezing up.
  • 5 Colors LED Lights help you to control the mood in any bedroom or bathroom.

Personal Experience

  Discover Why Your Dehumidifier Is Freezing Up - Causes & Solutions

As an expert in home maintenance, I know all too well the frustrations that come with a dehumidifier freezing up. In my experience, a dehumidifier can freeze up for a few reasons. One of the most overlooked causes of this problem is blocked air flow. In some cases, the condenser coils can get blocked, or the fan may need some repair work. It is important to keep a check on the fan and its fins, and make sure that they are in good condition and able to move air properly.

Another factor in why a dehumidifier can freeze up is an old or clogged air filter. It’s important to replace the air filter periodically so that it is clean and working properly. This helps ensure proper air flow and can limit the chances of a dehumidifier freezing up.

Finally, it can be helpful to run the dehumidifier only in moderate temperatures. Excessively cold temperatures can cause the dehumidifier to freeze up, even if the air flow is not blocked. The components of the dehumidifier are best to be left in a moderate temperature that is not too hot or too cold.

Frequently Asked Questions

At what temperature do dehumidifiers stop working?

Dehumidifiers stop working at temperatures below 41 degrees Fahrenheit. Extremely low humidity conditions may also cause dehumidifiers to stop working. If the coil freezes, it may require defrosting as often as once an hour.

What temperature is too hot for a dehumidifier?

Running a dehumidifier at a temperature higher than 90 degrees F is too hot. This is because the refrigerant used in the dehumidifier is designed to condense moisture on coils within the temperature range of 70 to 90 degrees. Anything higher than 90 degrees may affect the efficiency and effectiveness of the dehumidifier.

How hot is too hot for dehumidifier?

It’s important to note that a properly operating refrigerant dehumidifier typically raises the temperature of the air flowing through it by 10°-15°F. Generally, anything over 105°F could be considered too hot for a dehumidifier. This means that the ambient temperature should not exceed 90°F for optimal performance of the dehumidifier.

Can you use a dehumidifier in hot weather?

Yes! Using a dehumidifier in the summer is beneficial for maintaining optimal comfort in the home. It can also help to provide better air quality by reducing allergens. Dehumidifiers are an effective way to lower humidity levels, making any space more comfortable in hot weather.

What temperature does a dehumidifier freeze?

A dehumidifier can typically freeze up if the room temperature is below 41 degrees Fahrenheit (5 degrees Celsius). This is the most common temperature at which dehumidifiers will freeze. Other reasons for a frozen dehumidifier include faulty fans and sensors, a dirty air filter, and bad airflow through the machine.

Does a dehumidifier work in a cold garage?

Yes, a dehumidifier can work in a cold garage, depending on whether it is heated or unheated. Desiccant dehumidifiers are the best choice for unheated garages, as they can effectively manage humidity levels even in below freezing temperatures. Compressor units are a great choice if the garage is heated.

How do you clean the coils on a dehumidifier?

To clean the coils on a dehumidifier, gently vacuum off the top layer of dust and grime or scrape it off with your hand. Use a soft-bristled brush or cloth to clean the coils with a spray detergent or a mixture of vinegar and water. Finally, rinse off any residue and let the coils completely dry before using the dehumidifier again.

Do dehumidifiers work in hot weather?

Yes, dehumidifiers work in hot weather. In fact, it can be beneficial to use a dehumidifier during the summer as it can help reduce the amount of moisture in the air and improve the air quality in your home. This can limit the possibility of allergens like mold and mildew from growing in the home. Using a dehumidifier during the summer can help keep your home comfortable and healthier.

How do I keep my dehumidifier from freezing?

The best way to keep your dehumidifier from freezing is to make sure the room temperature is warm enough and there is good airflow around the device. Additionally, leave at least one foot of clearance around the dehumidifier. Lastly, you should clean the coils periodically, or have a professional clean them if you are not sure how.

Can I use a dehumidifier to cool a room?

No, you cannot use a dehumidifier to cool a room. Dehumidifiers are designed to remove excess moisture from the air, not to actually cool the air. While you may feel more comfortable with dry air, the only way to cool a room is to use a fan or an air conditioner.

Are dehumidifiers good for hot rooms?

Yes, dehumidifiers can be used to help make a hot room more comfortable. The dehumidifier’s primary function is to remove excess humidity from the air, which can have a cooling effect. However, if your room is exceptionally hot, an air-conditioning unit may be a better choice.

How to prevent a dehumidifier from freezing up?

To prevent a dehumidifier from freezing up, adequate airflow should be maintained over the cold condensation coils. This airflow helps the water drip into the water tank instead of freezing on the coils. A faulty humidity or temperature sensor and dirty filters can also cause the dehumidifier to freeze.

Why is my dehumidifier icing up?

The dehumidifier is icing up because of an issue with temperature and air flow. Not having the optimal temperature or airflow can cause serious issues such as ice building up in its coils. When this happens, it’s important to inspect the dehumidifier to identify and resolve the underlying issue.

Can temperature and airflow affect a dehumidifier?

Yes, temperature and airflow can affect a dehumidifier. Warmer temperatures reduce the efficiency of air flow and prevent moisture from being removed from the air, while cooler temperatures increase air flow, making the dehumidifier more effective. Additionally, units with inadequate air flow can cause ice to form on its coils, resulting in damage.

Why is my dehumidifier making a whirring noise?

A whirring noise coming from a dehumidifier can be caused by a defective fan motor or a blower wheel. These are essential components that help to move air around and keep the condenser coils from freezing up. If a fan motor or blower wheel is defective, it can lead to a whirring noise coming from the dehumidifier.

Final Thoughts

In conclusion, there are several causes why a dehumidifier may freeze up. These causes range from using the wrong size and type of hose to a unit that is too small for the area being dehumidified. Additionally, a clogged filter, a dirty condensate pan, and blocked air flow can all cause a dehumidifier to freeze. While these issues may require professional servicing, they can be addressed quickly and easily by an experienced technician.