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ClearlyYou™ Mirror Defoggers

Say goodbye to foggy mirrors with ClearlyYou™ Mirror Defoggers. Designed to gently warm your mirror's surface, they keep it crystal clear—even after the hottest, steamiest showers—no more wiping or waiting.

Installation is quick and easy: just peel and stick the self-adhesive backing onto any wall-hung mirror. Pre-attached power leads connect directly to your 120VAC bathroom lighting fixture—no extra wiring needed.

Available in multiple shapes and sizes, ClearlyYou™ Defoggers fit most mirror styles and deliver reliable, energy-efficient performance. Drawing minimal power, they maintain a steady 104°F to keep your mirror steam-free without driving up your energy bill.

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Features & Specifications

Easy Installation
Self-adhesive backing allows for quick and easy installation on any wall-hung mirror.
Energy Efficient
Designed with one of the highest efficiency ratings in the category, helping to reduce overall heating costs.
Safe & Certified
Runs on standard 120VAC and is cULus listed for proven safety and performance in bathroom environments—just not inside the shower.
Consistent Heat
Regulated surface temperature of 104°F (40°C) ensures clear reflections without overheating.
Slim Design
Ultra-thin profile at just 0.02″, with a self-adhesive backing for fast and secure installation on any wall-hung mirror.
Fast Shipping & Easy Returns
Same-day shipping available nationwide, with no restocking fees on unused products.
1-Year Warranty
Backed by a manufacturer warranty covering defects in materials and workmanship.
24/7 Installation Support
Access expert assistance any time—day or night, all year round.
Mirror Defogger 15in Circle FFM-15R
Circular

  • 15 in. x 15 in.
  • 20 in. x 20 in.
  • 25 in. x 25 in.
View Details
Mirror Defogger 18in x 26in Oval FFM-1826OV
Oval

  • 18 in. x 26 in.
  • 24 in. x 32 in.
View Details
Mirror Defogger 12in x 18in Rect FFM-1218
Rectangle

  • 12 in. x 18 in.
  • 18 in. x 24 in.
  • 24 in. x 32 in.
  • 30 in. x 40 in.
View Details

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.

How to Install a Mirror Defogger

Mirror Defogger Customer Reviews

Rated 4.93/5 based on 15 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.

  • Fred P
    Verified Customer
    Mirror Defogger 30in x 40in Rectangular
    The defogger may was easy to install and is functioning just as it is supposed to work. All good.
    Pointe Du Chene, NB, 8 months ago
  • Thomas C
    Verified Customer
    Mirror Defogger 18in x 24in Rectangular
    WarmlyYours is very proactive with communication and their website is clear and well laid out. Very pleased with my pur...
    Torrance, CA, almost 2 years ago
  • Julian B
    Verified Customer
    Custom Mirror Defogger 32ʺ x 65ʺ
    I was easily able to install the self-adhesive heating elements on the back of a very large mirror and wire them into th...
    Ottawa, ON, over 3 years ago
  • Eduardo H
    Verified Customer
    Custom Mirror Defogger 24ʺ x 12ʺ
    I bought three custom-size heaters to avoid fogging in the bathroom mirrors, had them installed and they all work flawle...
    Mexico City, Mexico City, almost 5 years ago
  • Donald S
    Verified Customer
    Mirror Defogger 18in x 24in Rectangular
    The mirror heating elements work very well, they were easy to order, easy to wire and install and we think they are grea...
    Newton, KS, almost 5 years ago
  • Stuart K
    Verified Customer
    Mirror Defogger 30in x 40in Rectangular
    I had a problem with the mirror - it cracked after it was mounted - which was nothing to do with the defogger. However W...
    Newbury, MA, about 6 years ago
  • James W
    Verified Customer
    Mirror Defogger 18in x 26in Oval
    The defogger works great. I added plugs and plugged them into recessed outlets that were installed in the remodel. They...
    Richmond, VA, almost 7 years ago
  • Tim J
    Verified Customer
    Mirror Defogger 15in Circle
    Works exactly how I expected. Installation instructions were easy to follow and it was a straight forward installation...
    PORT CHARLOTTE, FL, almost 8 years ago
  • Patrick K
    Verified Customer
    Mirror Defogger 18in x 24in Rectangular
    Works great. Easy to install. Highly recommend.
    Arlington, VA, about 9 years ago
  • Jay j
    Verified Customer
    Mirror Defogger 25in Circle
    The element itself is almost too beautiful to put on the back of the mirror! And works great! The service from your team...
    BALDWIN HILLS, CA, over 9 years ago
  • Sanford P
    Verified Customer
    Mirror Defogger 12in x 18in Rectangular
    Works great. Was easy to install. I wired it so it turns on with the shower fan and the shower light.
    GAINESVILLE, FL, over 9 years ago
  • Michael M
    Verified Customer
    Mirror Defogger 24in x 32in Oval
    The Defoggers were easy to install and they have worked just fine. Excellent product!
    CHARLESTON, SC, over 9 years ago
  • Margaret C
    Verified Customer
    Mirror Defogger 18in x 24in Rectangular
    Great product! Does work better for new construction because of the need for power. But I put it in an existing bathroo...
    Lexington, SC, over 13 years ago
View All Reviews

Documents & Articles

Blog Posts

Mirror Defogger Frequently Asked Questions

Showing 6 of 10 questions

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.

Was this helpful? Yes No

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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No. Mirror defoggers are designed exclusively for fixed wall mirrors and should not be used on movable surfaces like medicine cabinet doors. This ensures safe, reliable operation and prevents damage to your cabinetry.

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Absolutely. For larger mirrors, you can use multiple defoggers to ensure full coverage. Just be sure the heating pads don’t overlap during installation to maintain safety and optimal performance. This flexibility means no mirror is too big to enjoy a clear, fog-free view.

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Yes! Wiring your mirror defogger to your bathroom’s lighting circuit means it turns on automatically whenever you switch on the lights. This smart setup makes your fog-free mirror a seamless, hassle-free part of your daily routine—no extra switches, no forgetting to turn it on.

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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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Not at all. Mirror defoggers are designed to be incredibly energy-efficient—they use about the same power as a standard light bulb and typically cost just pennies a day to operate. You can enjoy a crystal-clear mirror and a touch of luxury every morning, all while keeping your energy bills low.

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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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Most mirror defoggers start clearing your mirror within five minutes of being turned on. That means you can step out of a steamy shower and instantly enjoy a fog-free reflection—no more wiping, waiting, or missing a moment of your morning routine.

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