Product details Sentinel HDi90 Crawl Space basement dehumidifier can remove 198 PPD at saturation, 90 pints per day at AHAM conditions, up to 2300 sq. ft, lowering the humidity to comfortable levels in a short period. it has a wide range of applications including crawlspaces, basements, warehouses, offices, factories, shops, apartments, storage areas, restaurants, bars, and museums, and also works well for urgent water damage restoration, fast structural drying, and other jobs that require fast drying. It can also help to resolve damage to inventory and building maintenance due to dampness.