• Our sales team in action for you
  • Our service technicians - deployed in churches all over the year
  • Aachen cathedral – Carolingian octagon
    The first German UNESCO world heritage monument in 1978
  • Abbey church in Großlittgen-Himmerod
    MAHRCALOR® church heating built in 2008 at Miscanthus district heat station

Contact Persons

Our telephone switchboard can be reached on the following number. They will gladly put you through to the contact person in charge here at MAHR.

+49 241 9560-0

More contact details and numbers are given in the following section. Please contact the following departments with any wish or question

Our field sales engineers

  • if you need advice concerning your existing heating system
  • if you need advice on a new heating system
  • if you would like more details regarding current offers


Our field mechanics / Service church heating

  • if you want to arrange the visit of a mechanic
  • if you have a question regarding the maintenance of your MAHR heating
  • if you need information on how to operate your MAHR heating
  • if you would like to report a problem with your MAHR heating
  • if you need expendable materials for your system (e.g. filters)


Our planning office and coordination of our field mechanics here at central office

  • if you have questions regarding our devices
  • if you desire general information on the topic of church heating
  • if you would like general information on the company MAHR
  • if you would like to comment on the work of one of our staff