The AlorAir Sentinel HDi90 is a commercial-grade dehumidifier built for crawlspaces and basements. It pulls up to 90 pints per day at AHAM conditions and has a high efficiency rating of 2.69 L/kWh at 115V. It is meant to run continuously alongside an HVAC system to hold humidity steady year-round. Compared with smaller residential units, it moves far more moisture and is built for unattended duty; owners rate it highly for capacity and reliability.
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Owners rate the HDi90 very highly, with 4.9 out of 5 across 65 ratings. They praise its moisture removal and steady performance in basements and crawlspaces.
The AlorAir Sentinel HDi90 is a dehumidifier made for crawlspaces and basements. It removes 90 pints per day at AHAM conditions and 198 pints per day at saturation. It covers up to 2,600 sq. ft and can also be used in storage areas, garages, large rooms and commercial spaces.
It is more compact than conventional basement-size dehumidifiers, which makes it easier to move, place and store. It supplements the air conditioning system in summer and keeps humidity levels balanced through the year. A heavy-duty condensate pump handles drainage.
If power goes out, the unit resumes its previous settings once power returns. An optional remote control lets you adjust temperature and fan speed from across the room.

















