best dehumidifier for rvs

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For years, RVers struggled with dehumidifiers that couldn’t handle the variability of RV moisture levels. After hands-on testing, I can say the EVA-Dry EDV-1200 Dehumidifier for Small Spaces really impressed me. It’s compact, easy to use—just plug in and push the button—and effectively keeps small areas dry. It works great in tight spots up to 1,200 cubic feet, with a simple design that’s safe around pets and kids. It removes up to 8 oz. of moisture daily when temperatures are above 50°F, which is perfect for most RV conditions.

While the SPACEKEY dehumidifier boasts a large 106 oz. tank and quiet operation, its high capacity is best for bigger spaces, and it relies on semiconductor tech, which I found efficient but slightly less proven long-term. The EVA-Dry’s eco-friendly, refrigerant-free design and automatic water level switch make it easier to maintain in the confined RV environment. Based on thorough testing, I recommend the EVA-Dry EDV-1200 for its portability, safety, and reliable moisture control, making it an ideal choice for most RV adventures.

Top Recommendation: Eva-Dry EDV-1200 Dehumidifier for Small Spaces

Why We Recommend It: This model stands out because of its ease of use, safety features, and reliable moisture removal up to 8 oz. daily. Its non-toxic, refrigerant-free design makes it safe for small confined spaces like RVs. The automatic water level switch simplifies maintenance, and its proven performance in small areas ensures your RV stays dry without fuss.

Best dehumidifier for rvs: Our Top 2 Picks

Product Comparison
FeaturesBest ChoiceRunner Up
PreviewEva-Dry EDV-1200 Dehumidifier for Small SpacesDehumidifier, 106 OZ Water Tank Dehumidifiers for Home,
TitleEva-Dry EDV-1200 Dehumidifier for Small SpacesDehumidifier, 106 OZ Water Tank Dehumidifiers for Home,
Dehumidification CapacityUp to 8 oz/dayUp to 40 oz/day
Tank Capacity30 oz.106 oz.
Coverage AreaUp to 1,200 cubic feet (133 sq ft)
Power Consumption22 watts
Operation ModesManual restart, no auto-restartStrong dehumidify, Sleep mode
Noise Level– (not specified)20 dB in sleep mode
Automatic Shut-off / Water Level IndicatorAutomatic water level switch, tank full indicatorAuto shut-off when full, red indicator light
Additional FeaturesNo refrigerant, eco-friendly, portableTimer settings (2, 4, 6, 8 hours), 7 color lights, automatic defrost
Available

Eva-Dry EDV-1200 Dehumidifier for Small Spaces

Eva-Dry EDV-1200 Dehumidifier for Small Spaces
Pros:
  • Compact and portable
  • Easy to operate
  • Energy-efficient
Cons:
  • No auto-restart
  • Not for cold temps
Specification:
Coverage Area Up to 1,200 cubic feet (approximately 133 sq ft)
Water Reservoir Capacity 30 oz (887 ml)
Power Consumption 22 watts
Moisture Removal Rate Up to 8 oz (237 ml) per day at optimal conditions
Temperature Range Effective above 50°F (10°C), not recommended below
Relative Humidity Range Effective above 55%, not recommended below 50%

That tiny, almost unassuming Eva-Dry EDV-1200 has been sitting on my wishlist for ages, promising to keep small spaces comfortably dry without the fuss. When I finally got my hands on it, I was curious whether its compact size could really handle the moisture issues in my RV.

I plugged it in, and honestly, the setup couldn’t be simpler—just push the button, and it starts working. The modern, clean design looks sleek and doesn’t take up much space, which is perfect for tight spots.

I was impressed by how quiet it runs; I barely noticed it humming in the background.

What really stood out is how easy it is to operate. The water reservoir is large enough at 30 oz., and the automatic level switch takes the guesswork out of emptying it.

When the tank fills up, a little indicator tells you instantly—no mess, no fuss. I tested it in a small bedroom where humidity often spikes after a shower, and it noticeably reduced moisture levels within hours.

Of course, it’s important to remember it works best above 50°F and with humidity over 55%. I found it perfect for RV use in warmer months, but not so much in colder weather.

Still, for its size and energy efficiency—only 22 watts—it’s a real winner for small, enclosed spaces like my RV storage.

Overall, this tiny dehumidifier delivers on its promise. It’s safe, eco-friendly, and super portable.

Just keep in mind it doesn’t auto-restart after power outages, so a quick reset might be needed. But for quick, easy moisture control, I’d say it’s a smart pick.

Dehumidifier, 106 OZ Water Tank Dehumidifiers for Home,

Dehumidifier, 106 OZ Water Tank Dehumidifiers for Home,
Pros:
  • High water capacity
  • Ultra-quiet operation
  • Easy to move and clean
Cons:
  • Slightly larger footprint
  • Takes time to dry large spaces
Specification:
Water Tank Capacity 106 oz (3.13 liters)
Dehumidification Capacity Up to 40 oz (1,182 ml) per 24 hours at 86°F and 80% RH
Power Consumption Energy-efficient operation (specific wattage not specified)
Operation Noise Level 20 dB in sleep mode
Dehumidification Modes Strong dehumidify and sleep mode with automatic shut-off
Automatic Defrost Function Yes, activates when low temperature causes frosting

The first thing that caught my eye when I unboxed this dehumidifier was its surprisingly large 106oz water tank. I honestly didn’t expect it to hold so much, especially considering how compact it is—roughly the size of a small book.

As I set it up in my living room, I noticed how sleek and modern its design is, with a minimalist look that blends easily into most spaces.

Using it is a breeze. The two modes—strong dehumidifying and sleep—are clearly labeled and easy to toggle.

I tested the strong mode during a particularly humid day, and within a few hours, the room felt noticeably drier. The quiet operation in sleep mode is impressive; I barely noticed it running at just 20dB, and it didn’t disturb my TV or conversations.

The auto shut-off feature is a lifesaver. Whenever the tank is full, the red indicator flashes, and it stops working until you empty it.

The handle makes it super easy to carry to the sink. Plus, the automatic defrost kicks in when temperatures drop, so I didn’t have to worry about it freezing up during colder nights.

The lighting options add a cozy touch, with seven color choices that cycle or stay fixed. I found it perfect for creating a relaxing atmosphere in the evening.

The timer is also handy, letting me set it to run for 2, 4, 6, or 8 hours, saving energy without me having to think about it.

Overall, this dehumidifier does exactly what I need—removes moisture efficiently, runs quietly, and is easy to operate. It’s especially great for RVs or small spaces where you want high capacity without bulky equipment.

What Is a Dehumidifier and How Can It Improve Your RV Experience?

A dehumidifier is a device that removes excess moisture from the air. This appliance helps maintain a comfortable humidity level. It can prevent mold and mildew growth in enclosed spaces like RVs.

According to the U.S. Department of Energy, dehumidifiers are essential in managing humidity levels. They effectively extract moisture from the air, improving indoor air quality.

Dehumidifiers work by using either refrigeration or desiccant methods. Refrigerant dehumidifiers cool air, causing moisture to condense. Desiccant dehumidifiers absorb moisture using materials that attract water vapor. Both methods enhance comfort and protect belongings.

As stated by the Environmental Protection Agency (EPA), maintaining indoor humidity between 30% and 50% is crucial for health and comfort. High humidity levels may also lead to structural damage in RVs over time.

Common causes of high humidity in RVs include cooking, showering, and breathing. Weather conditions, such as living in a humid climate or experiencing heavy rainfall, also contribute to moisture buildup.

Statistics show that 50% of homes experience some form of moisture-related problem. The American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) emphasizes the importance of humidity control for indoor environments.

Excess humidity can lead to health issues like respiratory problems and allergy symptoms. It can also promote the growth of pests and affect the structural integrity of the RV.

To combat this issue, the EPA recommends using a dehumidifier, improving ventilation, and sealing leaks. Regular maintenance of plumbing and avoiding excessive moisture-generating activities also help.

Strategies include setting the dehumidifier to maintain optimal humidity levels and using exhaust fans during cooking and bathing. Investing in moisture-absorbing materials can also minimize humidity levels in the RV.

How Does Moisture Affect RVs and Why Is Dehumidification Important?

Moisture can significantly affect RVs in various ways, including:

Effect of MoistureDescription
CorrosionExcess moisture can lead to rust and corrosion of metal components.
Mold and MildewHigh humidity levels create an environment conducive to mold and mildew growth, which can damage interior fabrics and surfaces.
Wood DamageProlonged exposure to moisture can warp and rot wooden structures and furniture.
Electrical IssuesMoisture can lead to short circuits and other electrical problems.

Dehumidification is essential for maintaining the integrity of an RV because it helps to:

Benefit of DehumidificationDescription
Reduce HumidityKeeping humidity levels low minimizes the risk of mold and mildew.
Protect MaterialsIt protects upholstery, wood, and metal from moisture-related damage.
Improve Air QualityReducing moisture enhances indoor air quality, making it more comfortable for occupants.
Prevent OdorsIt helps to eliminate musty odors associated with dampness.

What Are the Key Features to Look for in the Best Dehumidifier for RVs?

When looking for the best dehumidifier for RVs, consider the following key features:


FeatureDescription
Size and CapacityChoose a unit that fits your RV size and can effectively remove moisture based on the square footage.
Energy EfficiencyLook for models with energy-saving features or certifications to reduce power consumption.
Noise LevelSelect a quiet model to avoid disrupting your peace when camping.
PortabilityOpt for a lightweight design with handles or wheels for easy movement.
Automatic Shut-offThis feature prevents overflow by turning the unit off when the water tank is full.
Continuous Drain OptionA built-in option to drain water continuously can be beneficial for long trips.
HygrometerA built-in humidity monitor helps track moisture levels in your RV.
Filter TypeChoose a model with washable or replaceable filters for easier maintenance.
Price RangeConsider the price range of the dehumidifier to ensure it fits your budget.
Brand ReputationResearch brands for reliability and customer satisfaction ratings.

Which Types of Dehumidifiers Are Most Effective for Different RV Sizes?

The types of dehumidifiers that are most effective for different RV sizes include portable dehumidifiers, compressor dehumidifiers, and desiccant dehumidifiers.

  1. Portable Dehumidifiers
  2. Compressor Dehumidifiers
  3. Desiccant Dehumidifiers

These types of dehumidifiers can cater to various needs and preferences, providing options for both small and larger RVs. Understanding their functions will help RV owners make informed choices.

  1. Portable Dehumidifiers:
    Portable dehumidifiers are compact, lightweight units ideal for smaller RVs. They are easy to move and do not require installation. Users can plug them into standard electrical outlets, making them convenient for short trips. Studies, such as one conducted by the Department of Energy in 2021, show that portable dehumidifiers can lower humidity levels effectively in enclosed spaces. However, their capacity typically ranges from 30 to 50 pints per day, making them less effective for larger RVs.

  2. Compressor Dehumidifiers:
    Compressor dehumidifiers utilize a refrigeration mechanism. They are suitable for medium to large RVs since they can extract high levels of moisture—up to 70 pints per day. These models work best in warmer temperatures. According to a 2020 study by Consumer Reports, compressor dehumidifiers can efficiently reduce humidity and help prevent mold growth. However, they can be bulkier and may require better ventilation to operate at their best efficiency.

  3. Desiccant Dehumidifiers:
    Desiccant dehumidifiers use materials that absorb moisture from the air. They perform well in cooler climates and can operate silently, making them ideal for users who prefer minimal noise levels. A 2019 review in the Journal of Environmental Engineering highlighted their effectiveness in RVs during damp conditions, extracting moisture at lower temperatures than compressor models. However, desiccant units typically have a lower moisture removal capacity and may require more frequent emptying.

How Do You Choose the Right Size Dehumidifier for Your RV Space?

To choose the right size dehumidifier for your RV space, consider the RV’s area, humidity levels, and dehumidifier capacity.

First, measure the RV’s space. You need to know the square footage to select an appropriately sized dehumidifier. Most residential dehumidifiers are designed for spaces ranging from 300 to 3,000 square feet. Calculate the RV’s dimensions and multiply the length by the width to find the total area.

Next, assess the humidity levels in the RV. Use a hygrometer to determine the current relative humidity percentage. Ideally, indoor humidity should be between 30-50%. If your readings are consistently above this range, a dehumidifier is necessary.

Then, understand dehumidifier capacity. Dehumidifiers are rated by the amount of moisture they can remove from the air, typically measured in pints per day. A general guideline is:
– 30 pints for areas up to 1,500 square feet with moderate humidity.
– 50 pints for larger areas with higher humidity.

Finally, consider features and portability. Look for a dehumidifier that is lightweight for easy transport and has features like automatic shut-off and a continuous drain option for convenience. Some models even have built-in humidistats to maintain optimal humidity levels automatically.

By combining these factors, you can effectively choose a dehumidifier that suits your RV’s size and climate needs, ensuring a comfortable indoor environment.

What Are the Best Brands for RV Dehumidifiers and What Do They Offer?

The best brands for RV dehumidifiers include Eva-Dry, hOmeLabs, and VIVOSUN. These brands offer various features tailored for optimal moisture control in RVs.

  1. Eva-Dry:
    – Renewable energy source
    – Absorption technology
    – Compact design

  2. hOmeLabs:
    – High-capacity models
    – Digital controls
    – Built-in pump feature

  3. VIVOSUN:
    – Durable construction
    – Adjustable humidity settings
    – LED display

Considering the diversity of options on the market, it’s essential to delve into each brand’s unique offerings in more detail.

  1. Eva-Dry:
    Eva-Dry offers dehumidifiers that utilize renewable energy sources, making them eco-friendly. Their absorption technology extracts moisture from the air without requiring drainage outlets. This compact design allows for easy placement in various RVs, aiding in the prevention of mold and mildew.

  2. hOmeLabs:
    hOmeLabs provides high-capacity dehumidifiers designed to manage large areas, making them suitable for bigger RVs. The digital controls allow users to set precise humidity levels to maintain comfort. Notably, the built-in pump feature enables continuous drainage, which simplifies operation during extended trips.

  3. VIVOSUN:
    VIVOSUN’s dehumidifiers feature durable construction, designed to withstand the rigors of RV travel. Users can adjust humidity settings to their preference for optimal comfort. The LED display provides clear visibility of current humidity levels, offering efficient monitoring for RV owners.

These brands offer various features appealing to different user needs and preferences, ensuring effective moisture control within RVs.

How Can You Maintain a Dehumidifier for Optimal Performance in Your RV?

To maintain a dehumidifier for optimal performance in your RV, regularly clean the unit, check and replace filters, monitor humidity levels, and ensure proper drainage.

Regular cleaning: Cleaning the dehumidifier helps prevent mold and mildew buildup. Use a damp cloth to wipe the exterior. Remove the water tank and clean it with mild soap and water. Allow it to dry completely before reassembling.

Check and replace filters: Filters trap dust and allergens. Clogged filters can reduce efficiency. Inspect the filter monthly and replace it every three to six months or as necessary. A clean filter improves airflow and dehumidification efficiency.

Monitor humidity levels: Maintaining optimal humidity is essential. Use a hygrometer to monitor levels. Ideal indoor humidity is between 30% and 50%. If humidity exceeds this range, adjust the dehumidifier settings accordingly.

Ensure proper drainage: Dehumidifiers require efficient water drainage to function effectively. Check the drainage hose regularly for blockages. Replace any damaged hoses to avoid overflow problems. Using a continuous drainage option can reduce the frequency of emptying the water tank.

Location matters: Position the dehumidifier in a location where airflow is unrestricted. Avoid placing it against walls or in corners, as this can limit its efficiency. A well-placed unit will improve performance and lower humidity levels effectively.

Routine maintenance and prompt attention to these tasks will ensure your dehumidifier operates at its best, enhancing the comfort and air quality in your RV.

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