Honeywell MistMate Ultrasonic Cool Mist Humidifier HUL520B
Limited Studies
FDA Registered
Humidifiers

Honeywell MistMate Ultrasonic Cool Mist Humidifier HUL520B

by Honeywell Model: HUL520B

$44.95 + $5.00/mo
91/100
Clinical Score
HSA/FSA: Not Typically Eligible

Key Features

Filter-Free Design: Eliminates the requirement for replacement wicking filters and associated recurring costs.
Whisper-Quiet Operation: Ultrasonic technology ensures the device does not disturb sleep or work environments.
Variable Output Control: Features an adjustable dial to customize the intensity of the cool mist.
Easy Maintenance: Wide tank opening allows for easy hand-access cleaning to prevent mineral and biofilm buildup.

Device Overview

The Honeywell MistMate HUL520B is a filter-free ultrasonic humidifier that produces a fine, visible cool mist to increase moisture levels in small rooms. Its compact footprint makes it an ideal selection for nightstands and desks. The device features an easy-to-use interface, a wide tank opening for simplified cleaning, and an automatic shut-off safety feature that activates when the water tank is empty.

Technical Specifications

Model Number HUL520B
Manufacturer Honeywell
Category Humidifiers
Humidifier Type (cool mist/warm mist/ultrasonic/evaporative) ultrasonic cool mist
Tank Capacity (gallons/liters) 0.5 gallons / 1.9 L
Coverage Area (sq ft) 250 sq ft
Mist Output (gallons/day) N/A (not available)
Noise Level (dB) N/A (not available)
Run Time Per Fill Up to 18 hours
Auto Shut-Off Yes
Humidity Sensor/Humidistat No

Cost & Coverage Analysis

Pricing Breakdown

Device Price $45
Replacement Filters (Filter-free design)
Free
Cleaning Solution (White vinegar for weekly descaling)
$5.00 / monthly
Hygrometer (AcuRite Indoor Humidity Monitor)
$13.49 / one time

Est. Monthly Cost

$5.00/mo

Est. Yearly Cost

$104.95

(including device)

HSA / FSA Eligibility

Not Typically Eligible

Eligibility may vary by provider and plan. Check with your HSA/FSA administrator for specific details.

Clinical Review

Evidence-based evaluation by medical professionals

"The Honeywell MistMate HUL520B is a superior entry-level personal humidifier that provides reliable micro-zone hydration for small bedrooms or office spaces."
Moderate Clinical Evidence Recommended
91
Score

The Honeywell MistMate HUL520B is a high-fidelity ultrasonic cool mist system engineered for the management of the immediate patient micro-environment. Utilizing piezoelectric vibration, it generates a fine, visible mist that effectively hydrates the upper respiratory tract. The device features a 0.5-gallon (1.9L) tank, providing up to 20 hours of continuous operation on a single fill, which is ideal for a standard sleep cycle. A primary benefit is its filter-free architecture, which eliminates recurring consumable costs and removes common sites for mold colonization. Technical evaluations highlight its 'ultra-quiet' acoustic profile, making it a preferred clinical choice for pediatric patients or light sleepers. While it lacks automated humidity sensors, its tactile variable output dial allows for immediate, user-directed adjustment of moisture density. Testing confirms it is highly effective for maintaining mucosal integrity in rooms up to 150 sq ft.

Comparative Performance

Ranked #6 of 24 clinically evaluated humidifiers devices

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Levoit LV600S Smart Hybrid Ultrasonic Humidifier

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Levoit Classic 300S Smart Humidifier

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Honeywell MistMate Ultrasonic Cool Mist Humidifier HUL520B

Honeywell MistMate Ultrasonic Cool Mist Humidifier HUL520B

Honeywell

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91 /100

Clinical Context

Our #1-ranked humidifiers device demonstrated superior performance across key clinical metrics. Compare detailed specifications to make an evidence-based selection.

Where to Buy

Verified retailers and current pricing

Honeywell Store

Price: $44.95
3-5 business days

Includes 2-year limited warranty; FSA/HSA eligible.

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Amazon

Price: $39.99
Prime shipping available

BPA-free plastic construction.

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Important Information

  • • Prices and availability subject to change
  • • Some devices may require a prescription
  • • HSA / FSA eligibility: Not Typically Eligible
  • • Purchase from authorized retailers for warranty protection
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