How Catalysts Work

What Is a Catalyst?

Woodstove catalysts are coated with platinum and/or palladium which facilitate the conversion of harmful wood smoke into water vapor, carbon dioxide, and heat. They work once their "light-off" temperature is reached. For ceramic catalysts "light-off" occurs when your woodstove reaches 500°–700°F (260°–370°C), (Note: For steel catalysts, light-off temperature is reached faster, at approximately 400°–600°F (204°–316°C). Use a woodstove thermometer to monitor temperature.)

Once "light-off" has occured the damper (bypass) can be closed so that wood smoke passes through the platinum/palladium-coated honeycomb of the catalyst and is converted into into water vapor and carbon dioxide, which safely exit your chimney without polluting our air.

Get More Heat from Your Stove

When your catalyst is used in the chemical reaction, significant heat is released. The total practical heat output of your woodstove is increased by as much as 50% with a new catalyst!

A Safer Way to Burn

A well-maintained catalyst makes your woodstove safer by helping to cut down on creosote formation in your stovepipe, a dangerous fire hazard. This also makes the annual chimney sweep quicker and easier.

Life-Span of Catalysts

Over time the precious metal coating slowly degrades due to friction from the wood smoke and the catalyst gradually loses its effectiveness.

After approximately 12,000 hours of stove use, you will notice a significant loss in heating efficiency. At this time, your catalyst should be replaced. Be aware, you may not be able to see a noticeable change in the appearance of your combustor, but you will certainly feel the difference!

Ultimately, investing in a new catalyst means enjoying more heat from your stove, saving wood fuel, and conserving time, money, and our natural resources.

See annual woodstove use in hours, based on your geographic location in the United States.

What Our Customers Are Saying:

"My woodstove is ten years old, so I was surprised to find that Condar Company not only offered a catalyst for my stove; they actually had it in stock and at half the cost of the original! I can already confirm the installation and fit is perfect. I'm confident the catalyst will perform as well or better than the original, and I'm recommending Condar to every woodstove owner I know." -Dan James; Hamilton, Michigan


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