Documented model profile

AlorAir Sentinel HD55S

A low cabinet with gravity drainage. The source mixes HD55 and HD55S names, which makes checking the exact listing and generation especially important.

Model HD55S · R32; White HD55S listing
Checked Oct 11, 2026 · current

alorairHD55SProduct photo pending

Check the essentials.

Extraction rating & conditions
55 pints/day80°F / 60% RH · AHAM
Drain arrangement
gravity
Cabinet height
13.3 in.
Cabinet width
12.2 in.Current R32 White sheet labels length × width × height. Earlier catalog axis conflicts are not used for this generation.
Cabinet depth
19.2 in.Current R32 White sheet labels length × width × height. Earlier catalog axis conflicts are not used for this generation.
Minimum inlet-air temperature
33.8°F
Power at published conditions
Not verifiedNot verified.
Noise measurement
Not verifiedComparable independent noise measurements have not been verified.
Duct connection
Not verifiedNot verified from this source.

Cabinet dimensions do not include airflow or service clearance. Follow the exact model manual. Check the source documents ↓

Where it may fit

  • A crawl space installation with a verified drainage and airflow plan.
  • A basement installation with a verified drainage and airflow plan.

Before you buy

  • Confirm the model label and SKU, not only the product title.
  • Confirm drain slope and operating temperature in the matching manual.
  • Confirm the R32 White SKU and current manual; the linked 2023 manual has a different filter specification.
  • Cabinet dimensions are verified; the current-generation service-clearance instructions still need clarification.

The tradeoffs

  • Do not treat HD55, HD55S and HD55P as interchangeable.
  • Independent noise and durability evidence has not been verified.
  • A low cabinet height alone does not establish fit when horizontal dimensions are unresolved.

Reviews & installation evidence

Independent evidence is still being collected.

This is a source-based specification profile. We have not independently tested this unit or confirmed long-term reliability.

We will add concise summaries of relevant tests, installations and owner experience, with links and limitations.

Follow the evidence

Sources & further reading

Open the original material for the full context. A product specification is not an independent test.

  1. manufacturer productAlorAir crawl-space, basement and whole-house catalog

    AlorAir · Checked Oct 11, 2026

    Product-navigation and catalog sections: Crawl Space & Basement Dehumidifiers and Whole House Dehumidifiers. Capacity, drainage and dimensions per named model.

    Catalog navigation is reused on individual product pages. Some width/depth labels disagree with individual specification tables; no automatic reconciliation. Color variants and duplicate HDi90 ductable listing were excluded.

  2. manufacturer productAlorAir Sentinel HD55S manufacturer product page

    AlorAir · Checked Oct 11, 2026

    Specifications table: Capacity115V (80°F-60%), Gravity Draining, temperature, Dim LxWxH. Product overview identifies crawl space and basement.

    Exact production part/SKU and manual revision not confirmed; recorded product-page model identity only. Manufacturer specifications are not independent test results. Horizontal dimension labeling conflict noted; unresolved fields are null.

  3. manufacturer manualAlorAir Sentinel HD55 / HD55S Installation & Operations Manual

    AlorAir · Checked Oct 11, 2026

    Version: Filename 20230810; covers HD55 and HD55S, no exact current SKUScanned PDF p3 (printed p2), p8-10; visually inspected

    Current R32/White listing links older combined HD55/HD55S manual. Filter differs from R32 sheet MERV-1. Prime mark is visibly printed, so numeric current inlet clearance is unresolved. Remote pump button description explicitly applies to other pumped models, not HD55S.

  4. manufacturer specAlorAir Sentinel HD55S White R32 Specification Sheet

    AlorAir · Checked Oct 11, 2026

    Version: Filename 20251218; publication date not independently verifiedPDF p1 specification table visually inspected

    Listing and sheet agree on dimensions/capacity/R32 but list different weight; manufacturer site narrative also has R410A copy. No cross-model noise ranking from incomparable conditions.

  5. manufacturer productSentinel HD55S White product details

    AlorAir · Checked Oct 11, 2026

    Product heading, specifications: R32, gravity drain, 19.2 × 12.2 × 13.3 inches, operating temperature.

    URL and some body copy use HD55, while heading names HD55S. Verify exact SKU before buying.