Best Crawl Space Dehumidifier

Best Overall

AprilAire Crawl Space Dehumidifier

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Best Bang for the Buck

AprilAire Crawl Space Dehumidifier

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Best for HVAC

AprilAire Crawl Space Dehumidifier

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Crawl spaces are notorious for poor air quality, accumulating dust and moisture that can lead to mold, mildew, rot, and structural damage over time. Left unchecked, excess humidity in these enclosed areas can severely impact your home’s health and integrity.

Instead of letting crawl space moisture wreak havoc, consider the power of a dedicated dehumidifier. These appliances draw in damp air, remove excess moisture, and circulate dry, fresh air back into the space – effectively controlling humidity levels.

To find the best solution for your crawl space, we put five top dehumidifiers to the test in a sealed basement environment. While all proved effective at reducing moisture, each model exhibited unique strengths suited for different situations. If dampness is plaguing your crawl space, one of these top-rated options could provide the ideal dehumidification power you need.

  1. BEST OVERALL: https://www.amazon.com/dp/B094PR3HQ1/
  2. BEST BANG FOR THE BUCK: https://www.amazon.com/dp/B08N6C4GPP/
  3. BEST FOR HVAC: https://www.amazon.com/dp/B09B2JJHCB/
  4. BEST FOR LARGE SPACES: https://www.amazon.com/AlorAir-Crawlspace-Dehumidifiers-Saturation-Condensate/dp/B01LW8WRUP/
  5. BEST FOR SMALL SPACES: https://www.amazon.com/Santa-Fe-Ultra70-Energy-Dehumidifier/dp/B099X8WB73/
  6. BEST FOR BUDGET: https://www.amazon.com/Lienuis-Dehumidifier-Commercial-Industrial-Intelligent/dp/B0C3R8C62L/

How We Tested the Crawl Space Dehumidifiers?

To find the top performers, we put five leading crawl space dehumidifiers through rigorous real-world testing in a sealed crawl space environment. After ensuring the vapor barrier was in excellent condition, we prepped the space with a level platform, power source, and drain line.
Then came the real test – running each model for 5 straight days while targeting a 50% humidity level sweet spot. On day 1, we logged temperature, humidity, and noise data every 6 hours. For the remaining 4 days, those metrics were recorded daily.
This multi-day protocol allowed us to thoroughly evaluate each unit’s moisture removal capabilities, energy efficiency, noise output, and overall performance in varying conditions. While every model successfully dehumidified the space, our comprehensive testing revealed standout units best suited for different crawl space scenarios.
With objective data on dehumidification rates, energy usage, noise levels and more, we could definitively determine the top crawl space dehumidifier models to recommend for protecting your home from excess moisture.

Testing Stats

Products tested: 6
Hours spent testing: 54
Tests performed: 10
Average price: $1,652,224

Our top Picks

While any of the tested crawl space dehumidifiers can reduce moisture and musty odors, choosing the ideal model for your needs requires considering crucial factors. Our detailed reviews highlight key insights from hands-on testing, including moisture removal rates, sizing guidance for different crawl spaces, control options, noise levels, and other relevant details to help you make the best choice.

Best Overall

AprilAire E070 Pro 70-Pint Crawl Space Dehumidifier

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Our Ratings:


9.5 TOTAL SCORE

AprilAire Crawl Space Dehumidifier (Supper Dehumidifier )

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The AprilAire E070 Dehumidifier is perfect for dehumidifying sealed crawl spaces or basements, effectively removing up to 70 pints of water per day. For your convenience, the control panel is mounted on the front of the unit, making it easily accessible in any location, and it features leveling feet for stability. Designed and manufactured in the USA by AprilAire, the E070 is built to last. It features corrosion-resistant aluminum coils, high-quality manufacturing processes to prevent leaks, and robust packaging to ensure damage-free shipment. For added peace of mind, it comes with a 5-year warranty.


Ease of Use 10
Noise Level 10
Moisture Removal Effectiveness 9
Overall Value 9
PROS
  • Corrosion-resistant aluminum coils for extended operational lifespan
  • Right-sized airflow and moisture removal capacity for larger crawl spaces
  • Automatic operation when humidity rises above set level
  • Gravity drain system won’t leak or need manual emptying
CONS
  • No built-in condensate pump for elevated draining
  • Larger and heavier build than some similar capacity models

Product Specs:

Coverage Area: 2,200 sq ft
Airflow Capacity: 200 CFM
Moisture Removal Rate: 70 pints/day

Features:

Continuous Draining, Adjustable Humidity Control, Digital Display, Automatic Defrost, Automatic Moisture Removal, Overheat Protection, Automatic Shutoff, Washable Filter

Type:

  • Whole-House Dehumidifier

Brand:

  • AprilAire
BEST BANG FOR THE BUCK

ALORAIR Commercial Dehumidifier

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Our Ratings:


Product Specs:

Coverage Area: 2,200 sq ft
Airflow Capacity: 200 CFM
Moisture Removal Rate: 70 pints/day

Features:

Type:

Brand:

BEST FOR HVAC

Santa Fe Ultra98 Whole House Dehumidifier

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Our Ratings:


Product Specs:

Coverage Area: 2,200 sq ft
Airflow Capacity: 200 CFM
Moisture Removal Rate: 70 pints/day

Features:

Type:

Brand:

BEST FOR LARGE SPACES

ALORAIR Basement/Crawlspace Dehumidifier

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Our Ratings:


Product Specs:

Coverage Area: 2,200 sq ft
Airflow Capacity: 200 CFM
Moisture Removal Rate: 70 pints/day

Features:

Type:

Brand:

BEST FOR small SPACES

Santa Fe Ultra70 Ventilating Dehumidifier

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Our Ratings:


Product Specs:

Coverage Area: 2,200 sq ft
Airflow Capacity: 200 CFM
Moisture Removal Rate: 70 pints/day

Features:

Type:

Brand:

BEST FOR BUdget

110 Pint Crawl Space Dehumidifier

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Our Ratings:


Product Specs:

Coverage Area: 2,200 sq ft
Airflow Capacity: 200 CFM
Moisture Removal Rate: 70 pints/day

Features:

Type:

Brand:

Envisioning the Stack Effect’s Sway in Crawl Spaces and Basements

Signs of water infiltration in basements or crawl spaces include:

  • Elevated relative humidity levels throughout the house, creating a damp and uncomfortable environment.
  • Peeling paint or wallpaper, or unsightly water spots appearing on walls, revealing the insidious effects of moisture.
  • Creaking, sagging floorboards, as excessive moisture can compromise the structural integrity of wood components.
  • Sudden insect infestations in kitchens or bathrooms, as pests are often attracted to damp environments.
  • Unpleasant, musty odors lingering in the air, indicating the presence of moisture and potential mold growth.
  • Exacerbation of asthma or allergy symptoms, as drifting mold spores can act as potent allergens.
  • Visible outbreaks of mold on first-floor walls, signaling moisture intrusion and potential health hazards.

While addressing water seepage in basements or crawl spaces might require more extensive (and costly) measures, investing in a dehumidifier for these areas can be a crucial first step. Not only can it potentially solve the moisture problem, but a dehumidifier will also remain an essential tool in the ongoing battle against moisture penetration, even after implementing other remediation efforts.

Special Features of Basement and Crawl Space Dehumidifier

Built-in Adjustable Humidistat

These dehumidifiers feature a built-in humidistat that allows you to set your desired humidity level. Once the target humidity is reached, the unit will cycle on and off automatically to maintain that level, ensuring optimal moisture control while saving energy.

Hygrometer

To accurately monitor humidity levels, these units often include a hygrometer, a device that precisely measures the amount of moisture in the air. This real-time data helps you make informed decisions about adjusting the settings for efficient dehumidification.

Automatic Shut-Off

An automatic shut-off feature helps prevent overflow and potential water damage. When the condensate bucket or reservoir is full, the dehumidifier will automatically shut off to prevent spills, alerting you to empty the container.

Continuous Gravity Drainage

Many models offer a continuous gravity drainage option, allowing the collected water to drain directly into a nearby floor drain or condensate pump, eliminating the need for manual emptying of the reservoir.

Internal Condensate Pump

For installations where gravity drainage is not feasible, an internal condensate pump can lift the collected water vertically, sending it through a drain hose to a suitable drainage location, providing increased flexibility in placement.

Air Purification System

Some advanced dehumidifiers incorporate air purification systems, such as HEPA filters or UV-C light technology, to not only remove moisture but also improve indoor air quality by capturing airborne particles, allergens, and potentially harmful microorganisms.

These specialized features are designed to enhance the performance, convenience, and versatility of basement and crawl space dehumidifiers, ensuring efficient and hassle-free moisture control while addressing the unique challenges of these often-neglected areas of the home.

Cost of a Basement or Crawl Space Dehumidifier

The cost of a basement or crawl space dehumidifier can vary depending on several factors, including the unit’s size, capacity, features, and brand. Generally, these specialized dehumidifiers tend to be more expensive than standard residential dehumidifiers due to their rugged construction and advanced capabilities tailored for challenging environments.

Here’s a breakdown of the typical cost range for basement and crawl space dehumidifiers:

  1. Entry-level models: $200 – $400
    • These are basic dehumidifiers with lower moisture removal capacities (30-50 pints per day).
    • They may lack advanced features like built-in pumps or digital controls.
    • Suitable for smaller basements or crawl spaces with moderate humidity levels.
  2. Mid-range models: $400 – $800
    • These units offer higher moisture removal capacities (50-70 pints per day).
    • They often include features like built-in pumps, adjustable humidistats, and continuous drainage options.
    • Designed for medium-sized basements or crawl spaces with moderate to high humidity levels.
  3. High-end models: $800 – $1,500
    • These are premium dehumidifiers with top-of-the-line features and very high moisture removal capacities (70-100 pints per day or more).
    • They may include advanced features like Wi-Fi connectivity, air purification systems, and automatic defrost.
    • Recommended for large basements or crawl spaces with severe humidity problems.
  4. Commercial-grade models: $1,500 – $3,000+
    • These are heavy-duty dehumidifiers designed for industrial or commercial applications.
    • They offer extremely high moisture removal capacities (100+ pints per day) and robust construction.
    • Often used in large crawl spaces, warehouses, or other high-moisture environments.

Basement or Crawl Space Dehumidifier Impact on Electric Bills

Minimizing Basement and Crawl Space Dehumidifier Costs

While essential for maintaining a dry, healthy living environment, basement and crawl space dehumidifiers can impact utility bills. However, with moderate moisture issues and part-time usage, you can expect a relatively modest increase of around $7 per month.

For more severe humidity problems or larger spaces, operating costs may rise to $30-$40 monthly. But investing in an ENERGY STAR certified model can significantly reduce these expenses.

The ENERGY STAR label signifies the highest standards of energy efficiency, ensuring powerful moisture removal while minimizing energy consumption. By choosing an energy-efficient dehumidifier, you can enjoy effective moisture control without breaking the bank.

Although an upfront investment, these appliances safeguard your home’s integrity, air quality, and comfort while keeping utility costs reasonable with responsible energy usage.

Foundation Problems and Moisture Issues of Crawl Space Dehumidifier

No matter how effective your basement or crawl space dehumidifier may be, it’s crucial to understand that it can’t replace essential repairs. Often, issues with the foundation are the root cause of moisture seepage. If you observe cracks in your basement wall or foundation, it’s advisable to seek professional evaluation for potential structural damage.

For crawl spaces, relying solely on a dehumidifier might not suffice for persistent and severe moisture problems. In such cases, crawl space encapsulation emerges as a viable solution worth exploring. This comprehensive procedure effectively halts unwanted moisture infiltration.

Video Top Best Crawl Space Dehumidifier

FAQ For Best Crawl Space Dehumidifier

Is it worth putting a dehumidifier in a crawl space?

  • Yes, it’s worth putting a dehumidifier in a crawl space. It prevents mold growth, reduces structural damage, improves air quality, and helps maintain overall home health.

How big of a dehumidifier do I need for my crawlspace?

  • For a crawl space, you typically need a dehumidifier with a capacity of 50 to 70 pints per day. The exact size depends on the crawl space’s square footage, humidity levels, and ventilation. For precise sizing, consider consulting a professional.

What type of dehumidifier for crawl space?

  • With a crawl space, use a low-profile, high-capacity dehumidifier designed for tight spaces. Look for features like a built-in pump, automatic humidistat, and continuous drainage for optimal performance.

Why Trust Us for Your Crawl Space Dehumidifier Needs?

When it comes to maintaining a healthy and safe home environment, choosing the right crawl space dehumidifier is crucial. We understand the importance of this decision and are committed to providing you with the best solutions tailored to your specific needs. Our team of experts brings years of experience and a deep understanding of moisture control, ensuring that you receive top-notch advice and products. Here’s why you can trust us to help you protect your home:

  • Expertise and Experience
  • High-Quality Products
  • Customer-Centric Approach
  • Transparent and Honest Service
  • Comprehensive Support

What Our Clients Have to Say On Google

“I can’t express how pleased I am with the crawl space dehumidifier from amazon. It’s been a game-changer for our home. Before, we were constantly battling moisture issues in our crawl space, but since installing the dehumidifier, it’s like a breath of fresh air down there. No more musty odors, no more worries about mold or mildew. Our home feels healthier and more comfortable thanks to this investment.” Susan said

Search terms: Best Crawl Space Dehumidifier, Best Crawl Space Dehumidifiers

Update on 06/14/2024