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Model comparison

Defender M70 vs Defender MP70

A source-backed comparison of the Moiswell Defender M70 and Defender MP70, focusing on verified specifications, pump configuration, drainage setup, and manufacturer-reported capacity claims without declaring a universal winner.

Verified side-by-side specs

Capacity and coverage values are manufacturer-reported specifications. Manufacturer maximum coverage is not a DrySpace sizing recommendation.

Maximum/saturation removal

Defender M70

145 pints/day

Defender MP70

145 pints/day

AHAM removal

Defender M70

70 pints/day

Defender MP70

70 pints/day

Airflow

Defender M70

206 CFM

Defender MP70

206 CFM

Manufacturer-reported maximum coverage

Defender M70

6,000 sq ft

Defender MP70

3,000-6,000 sq ft

Built-in pump

Defender M70

No

Defender MP70

Yes

Drainage

Defender M70

Continuous drain hose / gravity drainage

Defender MP70

Built-in pump plus gravity-drain option

Drain hose

Defender M70

6.56 ft

Defender MP70

Not verified

Operating temperature

Defender M70

41-95 F

Defender MP70

41-95 F

Dimensions

Defender M70

22.05" L x 14.56" W x 13.38" H

Defender MP70

22.05" L x 14.56" W x 13.38" H

Filter

Defender M70

Not verified

Defender MP70

Not verified

Weight

Defender M70

61.2 lb

Defender MP70

Not verified

Voltage

Defender M70

110-120V, 60Hz

Defender MP70

110-120V, 60Hz

Energy Star

Defender M70

Not verified

Defender MP70

Not verified

Integrated Energy Factor

Defender M70

Not verified

Defender MP70

1.8 L/kWh at 65 F / 60% RH

Warranty

Defender M70

2-year full / 5-year limited

Defender MP70

2-year full / 5-year limited

Key differences

Built-in pump

Defender M70

No

Defender MP70

Yes

Drainage

Defender M70

Continuous drain hose / gravity drainage

Defender MP70

Built-in pump plus gravity-drain option

Drainage and pump configuration

Defender M70

Built-in pump
No
Drainage
Continuous drain hose / gravity drainage
Drain hose
6.56 ft

Defender MP70

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

Which configuration may make more sense?

Buyers who need condensate pumped upward or away from the unit may prefer Defender MP70. Buyers with a suitable nearby gravity drain may not need a built-in pump and may consider Defender M70.

The practical choice depends on the installation location, hose route, discharge point, and whether gravity can reliably carry condensate away from the crawl space.

Maximum PPD vs AHAM PPD

Maximum or saturation PPD reflects moisture removal in very humid test conditions. AHAM PPD is a more standardized moderate-condition rating. Both numbers help describe performance, but higher maximum PPD alone does not determine which unit is the better fit for a specific crawl space.

Verification and source links

Defender M70 verification

Specs last verified: 2026-09-05

Defender MP70 verification

Specs last verified: 2026-09-05

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