dehumidifier for garage

Should You Use a Dehumidifier in a Garage?

If you have mold stains on items in your garage or have noticed condensation and water collecting on your garage floor drains or walls, you already know that you have a humidity problem. You can also consider installing an exhaust fan. Moreover, you might be wondering whether it's a good idea to invest in a dehumidifier for your garage. In this comprehensive guide, we'll explore the importance of using a dehumidifier in your garage and delve into the key factors to consider when making this crucial decision.

The Garage Environment

Your garage is more than just a place to park your car; it's an extension of your home. However, garages face unique environmental challenges. They are often subjected to temperature fluctuations, dust, and excess humidity. Weather, insulation, and inadequate ventilation contribute to these challenges. Most garages lack proper ventilation, which can trap moisture, making it difficult to control humidity levels.

Furthermore, when you leave the garage open for extended periods If the windows and doors are not closed properly. you inadvertently allow rain, snow, and humid air to enter, leading to issues such as mold growth, corrosion of tools and equipment, and musty odors. Garages also experience temperature variations, causing condensation on surfaces, which can further contribute to humidity-related issues.

Why You Need a Dehumidifier in the Garage

dehumidifying a garage

Now that you understand the unique challenges your garage faces, let's delve into why a dehumidifier is crucial. There are several compelling reasons to consider.

Prevent Mold and Mildew

Excess humidity in the garage creates a breeding ground for mold and mildew, which can damage the structure of your garage and negatively impact indoor air quality. Mold spores can lead to respiratory problems and allergies, making a garage dehumidifier essential to maintaining optimal humidity levels, typically ranging between 30-50%. By doing so, you prevent these issues and create a healthier environment for you and your family.

Reduce Odors

High humidity levels in a garage can lead to musty and unpleasant odors. These odors can linger on your belongings and make the space less pleasant. A garage dehumidification not only removes moisture but also eliminates unwanted odors, leaving your garage smelling fresh and inviting.

Improve Air Quality

Do you or your family members constantly suffer from allergies? These allergies might be a result of poor indoor air quality. Excessive moisture in the air causes allergens and pollutants to thrive, affecting air quality. Garage dehumidification can help reduce these allergens, and air conditioning can improve air quality and create a healthier environment.

Extend the Lifespan of Your Vehicle

When using your garage to store vehicles, high humidity levels can be detrimental. High moisture levels can lead to rust and corrosion, causing significant damage to your vehicle over time. A garage dehumidifier maintains a dry environment in your garage by removing moisture from the air. With the formation of condensation averted, rusting is less likely to affect your vehicles ensuring they remain in good condition.

dehumidifier in a garage

Reduce Rusting and Warping in the Garage

A dehumidifier can help reduce rusting and warping in a garage by controlling the humidity levels in the air. Uncontrolled humidity levels can cause wood to warp and metals to rust, which can lead to costly damages. By physically removing moisture from the air, dehumidifiers keep humidity levels regulated at all times, so conditions never exceed safe parameters. Dehumidifiers are effective in spaces that are relatively well sealed up and have few air changes. Introducing dehumidifiers to garages can improve the storage conditions for spare parts, equipment, or even vehicles.

Factors to Consider When Buying a Dehumidifier for Your Garage

When purchasing a dehumidifier for your garage, you need to consider the following factors:

Size and Capacity

Choose a dehumidifier with a capacity that matches the size of your garage. Large garages, for instance, may require higher-capacity units. You can measure your garage's square footage to determine the appropriate unit size. If you're unsure, consider seeking professional advice to make an informed choice.

Desired Humidity Level

Consider the climate in your area and typical humidity levels to determine the dehumidifier's power needs. If you live in a highly humid region, you might need a more powerful dehumidifier to manage excess moisture effectively. On the other hand, if humidity levels are moderate, a smaller unit may suffice.

Portability and Placement

Consider where you want to place your dehumidifier in garage. If you need the flexibility to move it around, a portable model with wheels is a great choice. You can also opt for permanent placement, depending on your garage's layout. The placement is crucial to ensure your dehumidifier effectively removes moisture from the entire space.

Drainage Options

Dehumidifiers have different drainage options, including manual emptying, gravity drainage, or a built-in pump. Consider your convenience and the placement of the unit when selecting the drainage method. Make sure it aligns with your specific needs and the layout of your garage.

Noise Level

If you prefer a quiet and peaceful environment, consider the noise level of the dehumidifier, especially if your garage doors are close to living spaces. Quieter models are available, which makes checking the decibel rating necessary to ensure the unit will not be too disruptive. Alternatively, you can consult a professional to help you select a suitable dehumidifier for your garage.

Brand and Warranty

You don't want to purchase your dehumidifier from just any brand. Pick reputable garage dehumidifier brands, known for their quality and reliability, to get high-quality units. Additionally, be sure to check your unit's warranty, as it ensures you have support and protection if you encounter any problems with your dehumidifier.

Energy Efficiency

High utility bills can be a concern for any homeowner. You don't want to add to your bills with a dehumidifier that consumes a lot of energy. Pay close attention to the energy efficiency of the dehumidifier. Look for models with ENERGY STAR dehumidifier certification, as these units are more energy-efficient. An energy-efficient dehumidifier helps you maintain a comfortable environment without blowing your energy budget.


A dehumidifier works to eliminate excess humidity and its associated problems from your garage. When you consider the unique environment of your garage, understand the benefits of a dehumidifier, and carefully evaluate essential factors when purchasing one, you can create a healthier, more comfortable, and moisture-free space in your garage. From protecting your family from mold-related health issues and safeguarding your valuable belongings to extending the lifespan of your vehicles, a dehumidifier is a practical and cost-effective solution.

By addressing these crucial factors, you can make an informed decision and ensure that your garage remains a clean, dry, and pleasant extension of your home. Our team will help you create the optimal environment for your garage.