Western US

Between the coast and the interior valleys, California makes wildfire-zone spark-arrestor compliance a critical concern.

Wet winters give way to dry summers in Oregon, and wood-burning runs heavy west of the Cascades.

Washington splits between a wet coast and a dry interior, and on the west side moisture intrusion is the failure we see most.

Nevada's arid high desert brings masonry thermal stress along with nesting raptors in the flue.

Hot, arid Arizona sees monsoon rain that triggers sudden thermal cycling and damages chimney crowns.

High-altitude cold winters — heavy wood-burning, deep creosote.

Cold mountain winters in Idaho mean wildfire-zone code applies and creosote builds up heavily.

Montana's severe winters produce the heaviest creosote loads found anywhere in the country.

High-plains cold and steady wind across Wyoming make chase-flashing failure a common problem.

Front-range altitude wood-burning — strict EPA stove standards.

High desert and adobe construction give New Mexico its kiva fireplaces, a specialty service on their own.

Brutal winters — most-extreme freeze-thaw masonry stress.

South Dakota's cold winters and wide temperature swings make clay liner failure a common outcome.