Ahrens Schornsteintechnik pointing out the dangers of unrestored chimneys that. Who is not sure whether the own chimney still draws, who consulted at best a chimney professional. Ahrens Schornsteintechnik offers a non-binding chimney check. Should it come to a refurbishment, no cost accounting survey provided by AHRENS”, emphasizes Managing Director, Mathias Ahrens, its restructuring offer. …