Monitor and optimize your catalytic wood stove. Calculate burn times and emissions reductions based on combustor temperature and wood moisture. Proper maintenance of your catalytic probe ensures the longest possible clean-burning cycles and maximum heat output.
Enter how many seasons the combustor has been in service, the days you burn per season, and average burning hours per day. The calculator multiplies these into accumulated operating hours and measures them against a 12,000-hour service life, the benchmark for ceramic catalytic elements. Three years at 90 days per season and 8 hours per day works out to 2,160 hours, leaving about 82% of the element's life.
The temperature field places the combustor into one of five operating zones. Below 250°F the element is effectively cold; 250–499°F means it is warming but has not reached light-off; 500–1,199°F is the optimal active range; 1,200–1,599°F runs hot and is flagged for monitoring; and 1,600°F or above is the overheat zone, where the ceramic substrate itself can be damaged.
Light-off, the point where the catalyst begins burning smoke on its own, occurs at roughly 500–600°F. An engaged combustor sitting below that range lets unburned tar condense inside its narrow cells and plug them with creosote, which is why the readout separates 'too low' and 'low burn' from the optimal band instead of treating any warm number as acceptable.
Accumulated hours are simply years × days per season × hours per day, and remaining life is the share of 12,000 hours still unused. A heavy schedule of 5 seasons at 120 days and 10 hours per day reaches 6,000 hours, exactly half the rated life, while a weekend-burner schedule stretches the same 12,000 hours across far more winters. Time spent in the overheat zone shortens real-world life faster than the plain hour count implies.
In this model the optimal band is 500–1,199°F: hot enough to be past light-off, cool enough to spare the substrate. Readings of 1,200–1,599°F still work but are reported as 'hot', and 1,600°F or more is reported as overheat, where thermal damage to the honeycomb becomes a real risk and manufacturer guidance calls for cutting the air supply back.
Below light-off, around 500°F, smoke flows through the honeycomb without igniting. The cooled, unburned tar condenses inside the cells, restricting flow and masking the catalytic coating, so each early engagement compounds the damage. That is why the zone readout labels 250–499°F as 'low burn', approaching light-off but not there, and anything under 250°F as a fully cold element.