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ClearlyYou™ Mirror Defoggers

ClearlyYou™ Mirror Defoggers

Say goodbye to foggy mirrors with ClearlyYou™ Mirror Defoggers. Peel-and-stick installation connects directly to your bathroom lighting fixture—no extra wiring needed. Available in multiple shapes and sizes, they maintain a steady 104°F to keep your mirror crystal clear after every shower.

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Why Choose a ClearlyYou™ Mirror Defogger?

Bathroom mirrors fog up the moment you step out of the shower. ClearlyYou warms the glass to a steady 104°F so the reflection stays crystal-clear without lifting a finger.

Crystal-Clear Every Shower Regulated 104°F surface heat keeps condensation from forming, so your mirror is ready the moment you need it.
Ultra-Thin 0.02″ Profile Self-adhesive pad hides invisibly behind any wall-hung mirror—no bulky brackets, no visible hardware.
Wires to Your Light Fixture Connects directly to existing bathroom lighting. No new switches, outlets, or rough-in electrical work.

Mirror Defogger Customer Reviews

We take pride in providing both exceptional service and great products. But don't just take our word for it, check out what some of our customers have had to say or View All Reviews.

A 15-inch round WarmlyYours mirror defogger heating pad with a peel-and-stick adhesive backing and an embedded red serpentine heating element.

Say goodbye to foggy mirrors with a WarmlyYours ClearlyYou™ Mirror Defogger. This 15” round mirror defogger gently heats the mirror’s surface, preventing moisture from forming while you bathe or shower. With a self-adhesive backing, your ClearlyYou™ Mirror Defogger can be attached to any wall-hung mirror in just... (FFM-15R)

Features
  • 24/7 installation support and lifetime technical support
  • ClearlyYou™ Mirror Defoggers are available in a variety of shapes and sizes
  • Same Day Shipping
  • cUlus listed
  • 1-year warranty against defects in materials and workmanship
WarmlyYours 18-inch by 26-inch oval mirror defogger pad with internal heating wire elements and a peel-and-stick adhesive backing.

Start your day with a clear view. Install a WarmlyYours ClearlyYou™ Mirror Defogger to prevent your bathroom mirror from steaming up while you bathe or shower. By gently heating the reflective surface, mirror defoggers prevent condensation, giving you a clear view and eliminating the need to clean streaks caused by... (FFM-1826OV)

Features
  • 24/7 installation support and lifetime technical support
  • ClearlyYou™ Mirror Defoggers are available in a variety of shapes and sizes
  • Same Day Shipping
  • cUlus listed
  • 1-year warranty against defects in materials and workmanship
WarmlyYours 12 inch by 18 inch peel and stick mirror defogger pad with an internal serpentine heating element.

WarmlyYours ClearlyYou™ Mirror Defoggers transmit gentle warmth across the mirror’s surface, preventing moisture from forming while you bathe or shower. Self-adhesive backing allows easy application to any wall-hung mirror in just minutes. ClearlyYou™ Mirror Defoggers come ready to install in several shapes and... (FFM-1218)

Features
  • 24/7 installation support and lifetime technical support
  • ClearlyYou™ Mirror Defoggers are available in a variety of shapes and sizes
  • Same Day Shipping
  • cUlus listed
  • 1-year warranty against defects in materials and workmanship

Custom Mirror Defoggers - Made to Fit Your Unique Mirrors

For mirrors that don't conform to standard dimensions or shapes, WarmlyYours offers custom-sized mirror defoggers. Custom units can be crafted for both 120V and 240V systems in rectangular, circular, or oval shapes.

  • Rectangular models can be designed up to 47.25″ x 59″ for 120V and up to 47.25″ x 78.75″ for 240V.
  • Circular models can reach up to 47.25″ in diameter.
  • Oval sizes can be up to 47.25″ x 59″.

To explore custom options, contact a WarmlyYours Account Representative for personalized assistance.

How to Install a Mirror Defogger

Installation is straightforward, typically involving connection to your bathroom's existing lighting circuit so the defogger activates with your lights. While the process is manageable, it's recommended to have a licensed professional perform the installation to ensure adherence to the National Electric Code. WarmlyYours provides 24/7 technical support to assist with any installation questions or concerns.

Mirror Defogger Frequently Asked Questions

Showing 10 of 25 questions

Yes, but please make sure not to overlap multiple heating elements over each other.

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A mirror defogger cold lead is 36 inches long.

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Yes. In fact, this is the most common way to operate a mirror defogger.

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No. Mirror defoggers are designed to be mounted and wired to a fixed, wall-mounted mirror.

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The mirror defogger will begin to defog the mirror within 5 minutes of operation.

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Installing a heating system behind your mirror is the most reliable way to avoid a foggy mirror. Typically, mirrors fog up because they are much cooler than the steam in a bathroom after a shower or bath. The cool surface of the mirror causes the moisture in the steam to condensate in the form of fog. A heated mirror will prevent this condensation by being as warm, or warmer, than the steam. 

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The defogging is concentrated in the area of the heating element, but may spread out as the mirror warms up over time. There are too many variable atmospheric conditions that make it impossible to quote a fixed distance of heat spread away from the element. That is why the defogger must be placed in the area of the mirror that requires defogging.

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No. Mirror defoggers can't be trimmed and the proper size needs to be selected to fit on an open, unobstructed area on the back of the mirror.

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The mirror defoggers are not designed for use with dimmer switches or with any low-voltage control. 

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No. Mirror defoggers are not rated to be installed in wet locations like a shower enclosure.

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If you're gluing a mirror to a wall, simply apply adhesive to the mirror backing, not covered with the mirror defogger.

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The electrical junction box should be installed inline with the Mirror Defogger’s lead wires and box. The box at the back of the defogger is meant to be located over the electrical box in the wall. This way it will be in the electrical box and not interfere with the defogger being flush with the mirror and the wall. The location where the wires leave must be entirely within the area of the new electrical junction box.

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None - it is peel and stick (comes with an adhesive backing).

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It is 1.18“ (1-⅜“ or 30.1mm) square and .21“ (¼“ or 5.4mm) thick.

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As long as the wood is not glued or attached with any form of mastic to the defogger, yes.

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The main electrical line feeding the Mirror Defogger must incorporate a GFCI for North America.

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Yes.

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Nothing can be put on the back of the defogger.

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Yes! WarmlyYours offers custom-sized defoggers in a variety of shapes—including rectangular, oval, and round—to perfectly fit your unique mirror. This tailored solution ensures your mirror looks seamless and performs flawlessly, enhancing both style and function in your bathroom.

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Yes. Mirror defoggers are specifically engineered for damp bathroom environments and are safe when installed according to electrical codes. However, they are not suitable for wet zones such as inside showers, so proper installation location is key to safety and longevity.

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While the installation process is straightforward, connecting a mirror defogger to your bathroom’s electrical system requires expertise. For your safety and peace of mind, we recommend hiring a licensed electrician to ensure the job is done correctly and up to code. This way, you can enjoy your fog-free mirror worry-free, knowing it’s installed safely and reliably.

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As long as your mirror is wall-mounted and stationary, defoggers can be applied to almost any shape. Choosing the right size and shape guarantees the best fog-free results, so you can enjoy a clear reflection no matter your mirror’s design.

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Installing a mirror defogger is a simple process:

  • Clean the back of the mirror thoroughly.
  • Peel off the adhesive backing from the defogger pad.
  • Press the pad firmly onto the center of the mirror's back.
  • Have an electrician wire the lead wires into the bathroom's lighting circuit or a dedicated switch.
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A mirror defogger is a thin, energy-efficient heating pad installed discreetly behind your wall-mounted mirror. It gently warms the mirror’s surface, eliminating fog and steam instantly, so you can enjoy a clear reflection every morning—even after the steamiest showers. This simple upgrade adds both comfort and convenience to your daily routine, making your bathroom feel like a spa.

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Mirror defoggers are extremely energy-efficient, typically using about the same amount of electricity as a standard light bulb. For example, a medium-sized defogger might consume only 25 to 50 watts. Since they are usually wired to the light switch, they only draw power while the bathroom light is on.

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