AlorAir Sentinel HD55
Specification researchLast verified: 2026-08-20
A specification-based product profile. Use the sizing calculator and the verified installation requirements below to decide whether it fits your crawl space.
53PPD @ 80°F/60%
1,200sq ft published max
33.8°Fminimum temp
Gravity draindrainage
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Capacity, normalized
Compare capacities under the same test condition
CrawlClimate uses the 80°F / 60% RH figure as the primary comparison value when the manufacturer publishes it. Saturation figures are kept separate because they are measured under much warmer, wetter conditions.
Comparable rating53 PPD80°F / 60% RH
Cooler-condition ratingNot verified65°F / 60% RH
Headline / saturation113 PPDCompare with matching test conditions
Verified product data
Check against my crawl space →Specifications
Capacity @ 80°F / 60% RH53 PPD
Capacity @ 65°F / 60% RHNot verified
Saturation / marketed max113 PPD
Published coverage1200 sq ft
Coverage contextManufacturer published coverage
Airflow120 CFM
Operating temperature33.8–104°F
DrainageGravity drain
DuctableYes
Automatic defrostYes
Wi-Fi / appNo
FilterMERV-1
Dimensions (W × H × D)12.2 × 13.3 × 19.2 in
Weight41.7 lb
Warranty6-year limited warranty
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Sources & testing status
This page is currently labeled Specification research. The specifications come from published sources; any future CrawlClimate hands-on testing will be labeled separately.