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Co-Mate’s second and most important function works by interacting with the ash in the fuel as it is released by the combustion process and carried into your chimney. In this high temperature environment, the Co-Mate particles break apart as they are heated. These particles then mix with the ash particles as they become hot and fluid. The combined materials then travel through the chimney as normal.

As ash particles travel with the flue gases, they become progressively cooler the further they get from the combustion chamber. Normally, when molten ash particles cool down, they recombine with other particles and stick to any surface where they make contact. This is how creosote is formed in a chimney over time.

Co-Mate particles are much more resilient than wood ash at high temperatures. When combined ash/Co-Mate particles begin to cool, they no longer have the ability to form cohesive bonds as they solidify. This is analogous to destroying the basement of a house after its built. No matter how well built the house, it will eventually collapse if it no longer has a firm foundation.

Additionally, due to the first function described earlier, the cooled and reformed ash/Co-Mate particles contain much less carbon than normal. As carbon is essentially unburned fuel, this further reduces the danger of forming dangerous creosote. 

This is why Co-Mate’s technology is so effective. Creosote simply cannot form effectively in a chimney under these conditions. Even existing deposits formed prior to a Co-Mate regimen will eventually succumb to this process.

The benefits don’t stop there. Once the Co-Mate process is complete, most of the ash, now bonded with heavier Co-Mate particles, falls harmlessly back down the chimney for easy ash collection. Effectively, this causes a reduction in particulate matter released from the chimney. This means cleaner, clearer emissions producing less odors and related nuisances.

In fact, a steady application of Co-Mate will also neutralize the acidity of the ash, which reduces the potential for corrosion inside your chimney. Once present in the combustion process, Co-Mate will affect the entire combustion system from the flame through to the gases exiting the chimney, and everywhere in between. Almost every aspect of the combustion system is improved in some way.


Simply put, a modest Co-Mate regimen helps to make operating your wood burning appliance safer, cleaner and easier to maintain.