Argendon Sandidry 55C vs Argendon Shield 35P
Specs, prices, editor verdict, and who should buy which - compared side-by-side.
Argendon Sandidry 55C (mid, $598) vs Argendon Shield 35P (mid, $373–$396) - different tools for different jobs (see the per-product details below).
Compared on 7 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 | Argendon Sandidry 55C | Argendon Shield 35P |
|---|---|---|
| price | $598 | $373–$396 |
| type | Crawl space / basement dehumidifier | Crawl space / basement dehumidifier |
| capacity | 55 PPD at AHAM (120 pints/day at saturation) | 70 pints/day saturation (35 pints/day AHAM) |
| coverage | Up to 1,300 sq ft / 10,500 cu ft | Up to 1,000 sq ft |
| drainage | 6.5 ft gravity hose + built-in condensate pump (19.6 ft lift) | 6.5 ft gravity hose + built-in pump (19.6 ft lift) |
| certification | ETL safety listed | ETL safety listed |
| warranty | 5-year limited | 5-year limited |
| dimensions | 17.64 x 11.69 x 11.85 in; 44.53 lb | 15.2 x 11.2 x 11.4 in, ~38 lbs |
Argendon Sandidry 55C also publishes: airflow, efficiency, sound, operatingRange, filter
Argendon Shield 35P also publishes: defrost, refrigerant
Who should buy which
Homeowners with a mid-size damp crawl space or basement (1,000 to 1,300 sq ft) who want set-and-forget continuous drainage via the built-in 19.6-ft-lift pump, at about $100 under the comparable AlorAir unit.
Your space is under 1,000 sq ft (the Shield 35P costs $200+ less), you want an ENERGY STAR-listed unit (the AlorAir Helios MP55 carries that mark, this SKU lists ETL only), or you need whole-house ducted coverage.
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).
Go deeper
Frequently asked
Which is better, the Argendon Sandidry 55C or the Argendon Shield 35P?
They are closely matched on our scoring, so the right pick comes down to your priorities. The verdict and spec table above compare them on price, features, and who each one suits.
How much do they cost?
Argendon Sandidry 55C: $598. Argendon Shield 35P: $373 to $396. Prices are verified against the manufacturer; check the live links for current pricing.
Who should buy which one?
Argendon Sandidry 55C: Homeowners with a mid-size damp crawl space or basement (1,000 to 1,300 sq ft) who want set-and-forget continuous drainage via the built-in 19.6-ft-lift pump, at about $100 under the comparable AlorAir unit. Argendon Shield 35P: 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.