gas fireplace glass is foggy

How to Clean Gas Fireplace Glass the Right Way

Fireplace season is in full swing, and those of us lucky enough to own a gas fireplace are making the most of it. After a few uses though, you may notice a cloudy layer build up on your door glass. Don’t worry though, we’ll show you what causes this buildup and how to clean gas fireplace glass properly.

Tips for How to Clean Gas Fireplace Glass Properly

You may be wondering why your glass fireplace glass is foggy. These models are popular for many reasons, but one of their biggest selling points is low maintenance. While this is true, even gas logs and inserts can develop dirty fireplace glass. Here’s why it happens…

Why Does Fireplace Glass Fog Up?

White film on glass fireplace glass can occur for several common reasons. For instance, if you recently installed a new gas fireplace, the gassing-off phase can leave behind residue on the door glass. This period lasts for about the first 10 hours of use and occurs due to particulates mixing with the products of gas combustion, resulting in deposits on the door glass.

The more common cause of gas fireplace white residue is due to your fireplace’s natural venting process. Minerals in the fuel like calcium and sulfur may deposit onto the glass after long periods of use. Even minerals from the outside air can contribute to this buildup. The amount will depend on how much you use your fireplace, but we recommend cleaning the glass about twice per year.

how to clean gas fireplace glass
Image from My Gas Fireplace Repair

Before You Clean Fireplace Glass…

When it comes to how to clean gas fireplace glass, the entire process should only take about 15 – 30 minutes. Before you get started though, there are some important safety precautions you should take.

  • Turn the gas off: It’s potentially unsafe to clean dirty fireplace glass while the pilot light is still lit. Turn the gas supply all the way off before cleaning.
  • Make sure the glass is cool: If you’ve used your fireplace recently, don’t begin cleaning until the door glass has cooled completely.
  • Avoid using abrasive cleaners: Even if your fireplace glass is very fogged up, using abrasive cleaning products like Comet, ammonia-based products, or even paper towels. These can cause damage to the glass.

Once you’ve followed these pre-cleaning steps, it’s time to get rid of your gas fireplace white residue!

dirty fireplace glass
Image from AdamDIY

Gas Fireplace Glass Cleaning Steps

Instructions for how to clean gas fireplace glass may vary a bit depending on your model. Follow these steps below as closely as you can, and reference your model’s owner’s manual for any discrepancies.

  1. If your fireplace glass door is on hinges, you can clean it while it’s still attached. If it’s not on hinges, carefully remove the glass and keep it safe on a soft surface like a towel or clean cloth.
  2. Spray the cloudy areas with regular undiluted white vinegar and let it sit for a minute or two. Then use a soft, clean cloth to wipe away the vinegar and residue.
  3. If your door glass is very cloudy, the vinegar method alone may not get the job done. If it’s only smearing the glass, we recommend you purchase a cream cleaner designed for fireplace glass. You should be able to find this at your local hardware store.
  4. If you do use a glass cleaning cream, use a soft cloth to spread a dab around the affected area. Let it sit for about 15 minutes until it dries. Then use another clean cotton cloth to buff away the residue in a circular motion.
  5. Once the inside of the glass is clean, repeat the same process on the outside. A good tip is to buff the outside in the opposite direction as the inner glass. This will help you identify which side is still dirty if you don’t get the job done completely the first time.

Now your glass should be clean and looking like new again! Now that you know how to clean gas fireplace glass correctly, repeat the process as needed throughout fireplace season. And if you find yourself in need of gas fireplace repair service, be sure to choose the local experts here at Sharper Service Solutions!

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