AlorAir Helios MP55 vs Argendon Shield 35P
Specs, prices, editor verdict, and who should buy which - compared side-by-side.
AlorAir Helios MP55 (mid, $699.66) vs Argendon Shield 35P (mid, $373–$396) - different tools for different jobs (see the per-product details below).
Compared on 6 shared specs · same category (environment).
These are close picks. Both score in the same range. The right call depends on buyer profile - read the per-buyer recommendations below.
Side-by-side specs
| Spec | AlorAir Helios MP55 | Argendon Shield 35P |
|---|---|---|
| price | $699.66 | $373–$396 |
| type | Crawl space / basement dehumidifier | Crawl space / basement dehumidifier |
| capacity | 120 pints/day (PPD) | 70 pints/day saturation (35 pints/day AHAM) |
| coverage | Up to 1,500 sq ft | Up to 1,000 sq ft |
| drainage | Built-in pump + drain hose (continuous) | 6.5 ft gravity hose + built-in pump (19.6 ft lift) |
| certification | ENERGY STAR Most Efficient, ETL | ETL safety listed |
| warranty | 5 years | 5-year limited |
AlorAir Helios MP55 also publishes: shipping
Argendon Shield 35P also publishes: defrost, refrigerant, dimensions
Who should buy which
Homeowners in humid climates, or anyone with a damp basement or crawl space, who wants to control humidity and mold at the source as part of a clean-air home. The built-in pump suits set-and-forget continuous drainage.
You only need to clean particulates from room air (get an air purifier instead), your space is already dry, or you want a small portable bedroom dehumidifier rather than a whole-crawl-space unit.
Homeowners with a small damp crawl space or basement (up to ~1,000 sq ft) who want set-and-forget continuous drainage via a built-in pump at a compact size and lower price.
Your space is larger or wetter (step up to the AlorAir Helios MP55), or you only need to filter room-air particulates (an air purifier addresses that instead).

