AprilAire E070 70 Pint Dehumidifier
Professional-Grade Crawl Space Dehumidifier
Dimensions: 12.5" (W) X 12.5" (H) X 25" (D)
Part of our e-series line of dehumidifiers, the AprilAire E070 is designed for dehumidifying sealed crawl spaces and basements. The E070 removes up to 70 pints (9 gallons) of moisture from the air per day. This helps keep your crawl space's humidity in the ideal range of 40-60% relative humidity to reduce the proliferation of airborne viruses and create Healthy Air throughout your home.
The AprilAire E070 features a built-in digital control found on the inlet side of the unit makes setup and operation quick and easy. Its interface makes setup and operation quick and easy. The dehumidifier has a simple-to-use interactive display making setup and operation a breeze.
Designed and manufactured in the U.S., the AprilAire E070 is backed by a 5-year warranty. AprilAire continues to improve the quality of its dehumidifiers with corrosion-resistant aluminum coils, quality manufacturing processes to prevent leaks, and secure packaging for damage-free shipment.
Why Crawl Space Dehumidification Deserves Special Attention
Crawl Spaces Are a Different Challenge Than Basements
Unlike a finished basement, a crawl space is typically unconditioned, poorly ventilated, and in direct contact with the ground — making it especially prone to persistent moisture from soil evaporation, condensation, and limited airflow. Because crawl spaces sit directly beneath your living space, humidity problems there don't stay contained: moisture, musty odors, and mold spores can migrate upward into your home through the "stack effect," where air naturally rises from lower levels to upper floors. Addressing crawl space humidity is often addressing an upstream source of whole-home air quality issues, not just a localized problem.
The 40–60% Relative Humidity Target, Explained
Keeping relative humidity in the 40–60% range isn't an arbitrary comfort preference — it's the range in which mold growth, dust mite proliferation, and airborne virus viability are all significantly reduced, while wood structural elements, insulation, and stored belongings are better protected from moisture damage. Levels above this range accelerate mold and rot risk; levels that are too low can cause their own issues, like dried-out wood framing. The E070's built-in controls are designed to maintain your space within this target range automatically.
Built for Crawl Space Conditions Specifically
Unlike a general-purpose portable dehumidifier not designed for the extremes of an unconditioned crawl space, the E070 is purpose-built for this environment:
- Corrosion-resistant aluminum coils — crawl spaces often have higher ambient humidity and less climate control than living spaces, making corrosion resistance especially important for long-term reliability
- Compact footprint (12.5" W x 12.5" H x 25" D) — designed to fit within the typically limited vertical clearance of a crawl space
- Digital control interface — allows straightforward humidity setpoint adjustment without needing to access the space frequently once installed
Sealed Crawl Spaces: Why Sealing Matters Alongside Dehumidification
The E070 is specifically designed for sealed crawl spaces — meaning it performs best as part of a broader "encapsulation" approach where the crawl space is lined with a vapor barrier and sealed from outside air and ground moisture infiltration. Running a dehumidifier in an unsealed crawl space means it's constantly fighting against ongoing outside moisture intrusion, which reduces efficiency and can shorten equipment life. If your crawl space isn't currently sealed, our technicians can advise on whether encapsulation should be paired with this installation for best results.
Part of a Larger e-Series Lineup
The E070 belongs to AprilAire's e-series dehumidifier line, which spans multiple capacities to match different space sizes and moisture loads — meaning if your crawl space or basement is larger than what the E070's 70-pint-per-day capacity comfortably handles, a higher-capacity e-series model may be a better fit. Our technicians can help size the right unit based on your space's square footage and typical humidity levels.
Reliability and Warranty
Manufactured in the U.S. with a focus on leak-resistant construction and secure packaging to prevent shipping damage, the E070 is backed by a 5-year warranty — reflecting the kind of long-term reliability expected from equipment installed in a space that's not visited or inspected as often as a main living area.
Professional Installation Matters
Because crawl space installations often involve tight access, condensate drainage routing, and (ideally) coordination with vapor barrier sealing, professional installation ensures the unit performs as intended. Our licensed technicians will:
- Assess your crawl space's condition, size, and existing (or needed) vapor barrier sealing
- Position the unit for optimal airflow and accessibility for future filter/maintenance access
- Route condensate drainage to an appropriate discharge point
- Set the digital control to maintain the 40–60% RH target range
- Advise on whether crawl space encapsulation would improve long-term performance
Frequently Asked Questions
Do I need to seal my crawl space before installing this dehumidifier?
It's not strictly required, but the E070 is designed and most effective in a sealed crawl space; running it in an unsealed space means it will work harder and less efficiently against ongoing moisture intrusion.
Can this unit also serve a basement instead of a crawl space?
Yes — while marketed primarily for crawl spaces, the e-series design also suits basement applications with similar humidity challenges; our technicians can confirm sizing for your specific space.
How do I know if the 70-pint capacity is enough for my space?
Capacity needs depend on your crawl space or basement's square footage and typical moisture levels; our technicians can evaluate your space and recommend the right e-series model, sizing up if needed.
Compact Whole-Home Moisture Control, Superior Efficiency & Mold Prevention
The Aprilaire E070 Whole-House Dehumidifier is a compact, high-efficiency climate control solution engineered to remove up to 70 pints of excess moisture per day from your home, basement, or tight crawlspace. Unlike portable room dehumidifiers that require constant manual bucket emptying and only treat a single area, the E070 integrates seamlessly with your central HVAC ductwork or operates independently to maintain precise humidity levels everywhere. By keeping indoor relative humidity below 50%, it protects your home's structural framing, eliminates damp odors, and stops mold, mildew, and dust mites from multiplying. Call our certified HVAC specialists at (224) 754-1984 for expert dehumidifier installation, duct integration, or drainage setup:
70 Pints/Day Extraction Capacity: Efficient moisture removal tailored for small to medium-sized homes, townhomes, basements, and sealed crawlspaces.
Seamless Duct & Standalone Integration: Can be hung overhead in crawlspaces, placed in basements, or connected directly to your furnace ductwork for whole-house distribution.
Energy Star® Certified Efficiency: Engineered for maximum water removal while consuming minimal electricity, reducing your monthly utility bills.
Automatic Digital Humidity Control: Features intuitive digital controls so you can set your preferred target humidity level and let the unit operate automatically.
Zero Manual Bucket Emptying: Equipped with a gravity drain port for automated, maintenance-free water removal straight to a floor drain or condensate pump.
Aprilaire E070 Technical Specifications & Performance
Designed for clean, professional installation in residential basements, crawlspaces, or utility rooms:
Technical Parameter Feature & Specification Details Operational Advantage Manufacturer & Model Aprilaire E070 Whole-House Dehumidifier Compact residential moisture and humidity controller. Daily Extraction Rate 70 Pints per Day (at standard AHAM ratings) Optimal moisture removal for small to medium spaces. Duct Connections Standard 6-inch collar connections Flexible integration with flexible or rigid residential ductwork. Efficiency Rating Energy Star® Qualified Delivers maximum energy savings during continuous operation. Drainage System Gravity drain port with optional condensate pump kit Automated, maintenance-free water disposal. Filter Type Washable MERV 11 media filter Cleans circulating air while protecting internal coils from dust.
Key Benefits of Upgrading to an Aprilaire E070 Dehumidifier
Integrating an Aprilaire E070 whole-house dehumidifier into your home infrastructure delivers immediate health and structural rewards:
Eliminates Damp Basements & Musty Odors: Instantly neutralizes heavy, humid air, replacing it with crisp, comfortable, and fresh indoor conditions.
Protects Your Home Structure: Prevents wood warping, peeling wallpaper, cracked drywall, and corrosive rust on metal appliances caused by excessive moisture.
Stops Mold & Allergen Growth: Deprives mold, mildew, and dust mites of the moisture they need to thrive, drastically improving indoor respiratory health.
Enhances Summer Cooling Comfort: Drier air feels significantly cooler, allowing you to set your central air conditioner a few degrees higher without sacrificing comfort.
Our Step-by-Step Aprilaire E070 Installation Process
Basement & Crawlspace Moisture Evaluation: Calculating home square footage and ambient moisture levels to determine optimal dehumidifier placement and hanging or floor setup.
Chassis Positioning & Duct Attachment: Securely positioning or hanging the E070 unit and attaching dedicated return and supply duct runs if integrating with your main HVAC system.
Drainage Line & Trap Setup: Installing secure PVC or flexible tubing connected to a floor drain or automatic condensate pump for hassle-free water disposal.
Low-Voltage Control Wiring: Wiring the unit to a digital wall humidistat or configuring the onboard digital controller for precise automated operation.
System Calibration & Test Run: Programming target humidity thresholds and executing full operational test cycles to verify rapid moisture extraction.
Frequently Asked Questions: Aprilaire E070 Dehumidifier
Q: What is the main advantage of the Aprilaire E070 over a portable dehumidifier?
A: Portable room units only treat a single space, require constant manual bucket emptying, and are loud. The Aprilaire E070 is a permanent whole-home system that drains automatically, can be hidden in a basement or crawlspace, and connects to your ductwork.
Q: Can the E070 be installed in a tight crawlspace?
A: Yes. The E070 features a compact, low-profile design specifically engineered for easy suspension or placement in cramped basements and sealed crawlspaces.
Q: Does the Aprilaire E070 require frequent maintenance?
A: Maintenance is minimal. We recommend inspecting and washing or replacing the air filter every 6 months to maintain optimal airflow and protect internal refrigeration components.
Q: Will the E070 run constantly, or does it turn on and off automatically?
A: The unit operates automatically based on your set target humidity (typically 45% to 50%). Once your space reaches the target humidity level, the compressor pauses until moisture levels rise again.
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