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Moiswell Defender MP70: Specs & Research

Moiswell Defender MP70 is a crawl-space dehumidifier with manufacturer-reported 70 PPD AHAM capacity, 145 PPD maximum removal, coverage up to 6,000 sq ft, a built-in condensate pump.

Product summary

Defender MP70

Moiswell Defender MP70 is a crawl-space dehumidifier with manufacturer-reported 70 PPD AHAM capacity, 145 PPD maximum removal, coverage up to 6,000 sq ft, a built-in condensate pump. 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
3,000-6,000 sq ft
Built-in pump
Yes

Verified specifications

AHAM moisture removal
70 pints/day
Maximum/saturation removal
145 pints/day
Manufacturer-reported max coverage
3,000-6,000 sq ft
Manufacturer coverage statement
3,000-6,000 sq ft
Airflow
206 CFM
Built-in pump
Yes
Drainage method
Built-in pump plus gravity-drain option
Operating temperature range
41-95 F
Dimensions
22.05" L x 14.56" W x 13.38" H
Weight
Not verified
Voltage
110-120V, 60Hz
Warranty
2-year full / 5-year limited
Integrated Energy Factor
1.8 L/kWh at 65 F / 60% RH

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
Yes
Drainage method
Built-in pump plus gravity-drain option
Drain hose length
Not verified

Because this model has a verified built-in pump, it may be practical where condensate needs to be moved upward or farther away from the unit. Buyers should still confirm the hose route, discharge point, and installation constraints.

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 3,000-6,000 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 constraints

Operating-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 calculator

Verification 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.

Official sources

Verification notes

  • Weight is not populated because current official Moiswell pages conflict: one page reports 70 lb while another current comparison page reports 61.2 lb.