Lutron MS-HS3-WH XactSense Humidity Sensor Switch - Gloss White
Lutron MS-HS3-WH XactSense Humidity Sensor Switch - Gloss White
In stock
Highlights
Highlights
- Automatic humidity detection – Precise sensing technology monitors humidity levels and activates fans automatically as moisture rises
- Never forget to turn fans on or off – Set-it-and-forget-it operation ensures proper ventilation without manual intervention
- Energy-efficient operation – Fans run only when needed, saving energy and reducing utility costs
- Customizable settings – Choose from multiple timeout options (5, 15, 30, 45 minutes), sensitivity levels, and climate thresholds to match your space
- Ambient Light Detection (ALD) – Optional feature prevents fans from running when bathroom is dark and unoccupied
Shipping & Returns
Shipping & Returns
Shipping: Enjoy free standard shipping on most orders over $99. (Exclusions apply for oversized & commercial items). We ship to the contiguous 48 United States.
Returns: We offer a 60-day return window for most items. Products must be in their original, unused condition with all packaging. (Exclusions: Special orders, clearance, and custom items).
We process payments securely and do not store credit card information.
Overview
Overview
Intelligent Humidity Control for Healthier Spaces
The Lutron MS-HS3-WH XactSense Humidity Sensor Switch automatically detects excess humidity and activates exhaust fans to reduce moisture, mold, and mildew. Designed for bathrooms and damp spaces, this smart sensor switch uses advanced signal processing to accurately respond to rapid changes in humidity levels, ensuring your exhaust fans run only when needed.
Key Features & Benefits
- Automatic humidity detection – Precise sensing technology monitors humidity levels and activates fans automatically as moisture rises
- Never forget to turn fans on or off – Set-it-and-forget-it operation ensures proper ventilation without manual intervention
- Energy-efficient operation – Fans run only when needed, saving energy and reducing utility costs
- Customizable settings – Choose from multiple timeout options (5, 15, 30, 45 minutes), sensitivity levels, and climate thresholds to match your space
- Ambient Light Detection (ALD) – Optional feature prevents fans from running when bathroom is dark and unoccupied
- Multiple operating modes – Shower + Climate mode for bathrooms, Shower Only for quick response, or Air Cycle for utility rooms
- Coordinated design – Pairs with Diva dimmers and Night Mode controls for a consistent aesthetic
Technical Specifications
- Color/Finish: Gloss White
- Voltage: 120V AC, 50/60 Hz
- Ratings: 3A 1/10 HP fan, 3A combined exhaust fan and light
- Mounting: In-wall, single pole
- Dimensions: 4.1" tall x 1.7" wide x 1.4" deep (without wall plate)
- Location: Indoor use only
- Wiring: Neutral or ground connection required
- Compliance: UL Listed to U.S. and Canadian safety requirements, meets ICC/ANSI A117.1, California Title 24, and IECC requirements
- Warranty: 10 years with product registration
Why Choose Lutron XactSense?
Rigorously tested across a wide range of climates and applications, the MS-HS3-WH delivers reliable performance in bathrooms, shower rooms, and other high-humidity environments. The patterned grille design allows accurate humidity sensing while maintaining a clean, professional appearance. With adjustable sensitivity, climate thresholds, and timeout settings, you can fine-tune operation to match your specific needs—from rapid bathroom showers to gradual basement humidity control.
- Automatic humidity detection – Precise sensing technology monitors humidity levels and activates fans automatically as moisture rises
- Never forget to turn fans on or off – Set-it-and-forget-it operation ensures proper ventilation without manual intervention
- Energy-efficient operation – Fans run only when needed, saving energy and reducing utility costs
- Customizable settings – Choose from multiple timeout options (5, 15, 30, 45 minutes), sensitivity levels, and climate thresholds to match your space
- Ambient Light Detection (ALD) – Optional feature prevents fans from running when bathroom is dark and unoccupied
Technical Resources
Specifications
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Frequently Asked Questions
Do you offer free shipping?
Do you offer free shipping?
Yes, we provide free shipping on orders over $99 delivered within the lower 48 states. However, this excludes items that are 48" or longer and commercial lighting fixtures.
For more information, refer to our shipping policy.
What is your return policy?
What is your return policy?
If you're not happy with your purchase, you can return or exchange it within 60 days after it's delivered. To be eligible for a return, please ensure the item is in its original condition (just as you received it), including all packaging, manuals, and accessories. You'll also need your receipt or proof of purchase.
While original shipping fees aren't refundable, we will cover the return shipping costs if the return is necessary because of our mistake (like sending the wrong item) or a product defect. Otherwise, the customer is responsible for return shipping expenses. Keep in mind that restocking fees might be applied if the returned item doesn't meet the required conditions.
For more information, refer to our return policy.
Are there any restrictions on coupon codes?
Are there any restrictions on coupon codes?
Yes, some restrictions apply. Our promotional coupon codes are valid for thousands of regular priced items across our store.
However, coupon codes are generally not applicable to the following:
- Items that are already on sale, on clearance, or otherwise advertised with a discounted price.
- Products from the following brands: Fanimation, George Kovacs, Metropolitan Lighting, Minka Aire, Minka-Lavery, and The Great Outdoors.
Any applicable discount will be automatically calculated on all eligible items in your cart during checkout.
Do your products come with a warranty?
Do your products come with a warranty?
Yes, all products sold by Bees Lighting are brand new and covered by the manufacturer's warranty. The warranty period and terms vary by manufacturer and product.
Do you offer special pricing for lighting professionals?
Do you offer special pricing for lighting professionals?
Yes, we do! Our Bees Lighting Pro program is our B2B Trade Program designed specifically for interior designers, architects, builders, contractors, electricians, and other industry professionals. Members receive access to exclusive pricing and dedicated support to help streamline their projects.
To learn more and apply, please visit our Bees Lighting Pro page.

