The SAHAUHY 158-pint commercial dehumidifier is a heavy-duty unit designed for basements, crawl spaces, warehouses and other large areas up to 4,500 sq ft. Rated to extract up to 158 pints of water per day (measured at 95 °F, 90 % RH), it features automatic defrost, continuous gravity drainage, a dual-panel control (unit or wired remote), memory restart after power outages, and washable filters. Built with an alloy-steel housing and powered by a 500 W compressor, this model aims to combine industrial-strength moisture removal with user-friendly controls and a five-year warranty (Amazon).
Key Specifications
- Dehumidification capacity: 158 pints/day (95 °F, 90 % RH) (Amazon)
- Coverage area: up to 4,500 sq ft (Amazon)
- Airflow: 150 CFM
- Power consumption: 500 W (Amazon)
- Operating temperature range: up to 104 °F
- Dimensions: 21.2″ D × 15.5″ W × 13.9″ H
- Weight: 54.9 lb (Amazon)
- Drainage: gravity-drain hose (10 ft included)
- Controls: on-unit panel + wired remote (26 ft cable)
- Warranty: five years (limited)
Pros & Cons
| Pros | Cons |
|---|---|
| High extraction rate. Rapid moisture removal—35 % drop in hours in many basements (Amazon). | No Energy Star rating. Moderate energy efficiency compared to 80-pint Energy Star units (Amazon). |
| Automatic defrost. Prevents frost build-up for continuous operation. | Heavy & bulky. At nearly 55 lb, it can be awkward in tight crawl spaces. |
| Continuous drainage. Eliminates manual emptying; remote-monitoring adds convenience. | Mixed durability feedback. A few reports of early malfunction and challenging warranty support (Fakespot). |
| Five-year warranty. Longer coverage than many competitors. | Basic display. Lacks advanced digital humidity readout. |
| Quiet operation. Generally praised for low noise at lower fan settings (Fakespot). | No filtration upgrade. Standard washable filter only; no HEPA or carbon option. |
Performance & Moisture Removal
In the majority of real-world settings, users report the SAHAUHY swiftly driving basement humidity down by roughly 30–40 percent within a single evening. The 158 pint/day compressor, coupled with 150 CFM airflow, suits heavily damp environments—far exceeding most home models in raw capacity (Amazon). Compared to an 80-pint Energy Star unit, the SAHAUHY can clear twice the moisture in the same time, albeit with roughly double the power draw.
Continuous-drain operation via gravity hose means uninterrupted dehumidifying without tank-empty cycles. The auto-defrost cycle ensures frost does not impede performance, a critical feature in cooler basements where evaporator icing can otherwise halt extraction (Amazon).
Energy Efficiency
At 500 W draw, the SAHAUHY falls into a mid-range efficiency bracket. While its PPD (pints per day) is high, the PPD-per-watt metric trails leading Energy Star models (e.g., 80 pint/day units drawing ~400 W). Expect a moderate uptick in electricity use—approximately 0.5 kWh per hour at full load. Users concerned with operating costs in unconditioned spaces should weigh the speed of moisture removal against long-term energy consumption.
Noise & Vibration
Overall noise levels are reported around 50–55 dB at the lowest fan setting, rising to 60–65 dB on high—comparable to a window air conditioner. The compressor hum is steady, with few rattles noted. A minority of users have flagged loose or unbalanced fan assemblies causing occasional vibration (Fakespot). Proper leveling on a firm surface minimizes any shake.
Usability & Controls
SAHAUHY equips both an onboard panel and a wired remote controller with a 26 ft cable—handy for hard-to-reach installations. Users can set a target relative humidity (10–90 %) and choose continuous or timed operation. On power restoration, the unit automatically resumes the last setting—valuable when installed behind walls or above ceilings. Setup is largely plug-and-play, with the main challenge often planning proper hose routing for gravity drainage (Walmart).
Maintenance & Filtration
Maintenance is minimal: rinse the washable pre-filter monthly to maintain airflow, and inspect the condensate hose for blockages. The lack of a replaceable HEPA filter may disappoint those looking for air-cleaning features, but in purely industrial or crawl-space applications, this is seldom a necessity. The auto-defrost cycle reduces manual intervention in colder environments.
Reliability & Support
The five-year limited warranty surpasses many competitors’ two- or three-year offers. Yet, support experiences vary: some owners praise rapid, knowledgeable responses; others report difficulty reaching manufacturer technicians and delays in resolving defects (Fakespot). Given the heavy-duty nature of the compressor, occasional early failures were cited, though the majority report trouble-free operation for months or years.
How It Compares
- AEOCKY 80 Pint Energy Star Dehumidifier: More energy-efficient; lower capacity (80 pints/day) but ideal for medium basements.
- DRIEAZ PHD 200 Compact Dehumidifier: Slightly larger footprint; hanging installation; similar moisture removal but at double the weight.
- Traditional Home Units (50–70 pint): Often lack continuous-drain or auto-defrost—works best in tight budgets or smaller rooms.
For users needing maximum moisture removal fast—particularly in commercial, restoration or heavy-duty residential scenarios—the SAHAUHY stands out. But for ongoing, low-energy dehumidification in moderate-sized spaces, a certified Energy Star model may offer better cost efficiency.
Verdict
The SAHAUHY 158-pint commercial dehumidifier delivers on its promise of industrial-grade moisture removal, thanks to its high-capacity compressor, auto-defrost functionality, and continuous drainage. It excels in large, damp environments where speed matters, and its five-year warranty inspires confidence—provided you can navigate occasional support hurdles. Noise and energy use are acceptable given the performance, though lighter, more efficient units exist for moderate applications. Overall, it’s a compelling choice for professionals and homeowners facing severe humidity challenges.
