AlorAir Sentinel HD55S Dehumidifier – 55 PPD for Crawl Spaces & Basements is a compact, hard-working solution built to control excess moisture in tight crawl spaces and basements without sacrificing performance. Designed for spaces up to 1,300 sq. ft., this unit removes up to 55 pints per day at AHAM conditions and up to 120 pints at saturation, making it a strong choice for reducing dampness, helping protect against mold-friendly conditions, and keeping enclosed areas drier and more comfortable. Its low-clearance-friendly size, automatic defrost system, gravity drainage, MERV-1 filter, and optional remote monitoring make it especially appealing for homeowners and contractors who want dependable moisture control in difficult spaces.

Features:

• Removes up to 55 PPD at AHAM / 120 PPD at saturation
• Ideal for crawl spaces and basements
• Covers areas up to 1,300 sq. ft.
• Compact design for low-clearance installations
• Automatic defrosting for dependable cold-weather operation
• Gravity draining for continuous moisture removal
• Includes MERV-1 filter
• 115V power with 130 CFM airflow
• 5-year warranty
• cETL certified with optional remote monitoring/control