Moiswell
Moiswell Defender M70: Specs & Research
Moiswell Defender M70 is a crawl-space dehumidifier with manufacturer-reported 70 PPD AHAM capacity, 145 PPD maximum removal, coverage up to 6,000 sq ft, a gravity-drain configuration.
Product summary
Defender M70
Moiswell Defender M70 is a crawl-space dehumidifier with manufacturer-reported 70 PPD AHAM capacity, 145 PPD maximum removal, coverage up to 6,000 sq ft, a gravity-drain configuration. This page uses verified product data already stored by DrySpace Research and does not represent a hands-on product review.
Quick specs
- AHAM removal
- 70 pints/day
- Maximum removal
- 145 pints/day
- Manufacturer max coverage
- 6,000 sq ft
- Built-in pump
- No
Verified specifications
- AHAM moisture removal
- 70 pints/day
- Maximum/saturation removal
- 145 pints/day
- Manufacturer-reported max coverage
- 6,000 sq ft
- Airflow
- 206 CFM
- Built-in pump
- No
- Drainage method
- Continuous drain hose / gravity drainage
- Drain hose length
- 6.56 ft
- Operating temperature range
- 41-95 F
- Dimensions
- 22.05" L x 14.56" W x 13.38" H
- Weight
- 61.2 lb
- Voltage
- 110-120V, 60Hz
- Warranty
- 2-year full / 5-year limited
AHAM PPD vs maximum PPD
This product has both AHAM and maximum/saturation moisture-removal ratings in the verified database. Maximum or saturation PPD is typically measured under more humid conditions, while AHAM PPD is a more standardized moderate-condition rating. Compare both values, but do not treat maximum PPD alone as proof that a unit is the right fit for a specific crawl space.
Drainage and pump setup
- Built-in pump
- No
- Drainage method
- Continuous drain hose / gravity drainage
- Drain hose length
- 6.56 ft
Because this model does not have a verified built-in pump, a suitable gravity-drain path may be required unless another external condensate solution is used. That can be fine when the unit can drain reliably downhill.
A pump configuration is not universally better than gravity drainage. The practical choice depends on the crawl-space layout, drain route, and where condensate can safely discharge.
Coverage and sizing context
Manufacturer-reported maximum coverage
The stored manufacturer-reported coverage for this model is 6,000 sq ft. This is not a DrySpace sizing guarantee. Crawl-space height, sealing, climate, airflow, moisture load, and water intrusion can all affect whether a product is practical for a specific space.
Check this model against your crawl-space constraintsOperating-cost data
DrySpace does not currently have enough verified electrical data to automatically estimate operating cost for this model. DrySpace does not infer wattage from circuit size, outlet requirements, or unrelated efficiency metrics.
Open operating-cost calculatorVerification and source links
Data status
Specifications last verified: 2026-09-05
DrySpace leaves missing or conflicting information marked as not verified rather than choosing a value without support from the current product record.