Greetings:
The magic to safety is maintaining minimum flue exit temperatures. Stove thermostats that are designed to increase burning time rather than maintain min. stack exit temps. will produce copious amounts of dangerous creosote. Us amateurs need to embrace the sciences involved, eh? Good luck & safe Wintering.
• Keep flue temperature high. Maintain a minimum stack temperature of 250ºF to prevent
creosote condensation. An inexpensive thermometer ($10-$15) that will adhere to the
stovepipe can be placed a few feet above the stove and below the insulated chimney
pipe.
• If a high combustion efficiency is maintained, the quantity of unburned fuel components
that form creosote will be greatly decreased. Overnight fires that are over-dampered are
the worst creosote generators since the fire tends to smolder.
• Insulate stacks both inside and outside the house. This will help reduce creosote
condensation by minimizing heat loss and keeping the flue gas above the 250ºF
minimum temperature.
• Dry wood a minimum of 3 months; but to 12 months if possible. The length of time
required to season wood depends upon how it is stored, the daily temperatures, relative
humidity and whether the wood receives direct sunlight or rainfall. Using dry, seasoned
wood for fuel results in a hotter firebox temperature and makes it easier to maintain the
flue gas at 250ºF.
write or call:
Alaska Department of
Environmental Conservation
Division of Air Quality
555 Cordova St.
Anchorage, AK 99501
907-265-7698
www.dec.state.ak.us/air/anpms/