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  • 41751 Viersen-Dülken
    Kirche St. Cornelius

    temperature:
    12,0
    °C
    humidity:
    62,2
    %rF
    measured:
    05:00
    h
  • 40627 Düsseldorf-Unterbach
    Kirche St. Mariä Himmelfahrt

    temperature:
    13,4
    °C
    humidity:
    54,0
    %rF
    measured:
    05:02
    h
  • 31134 Hildesheim
    Michaeliskirche

    temperature:
    10,0
    °C
    humidity:
    59,6
    %rF
    measured:
    05:00
    h
  • 47608 Geldern-Hartefeld
    Kirche St. Antonius Abbas

    temperature:
    14,3
    °C
    humidity:
    49,0
    %rF
    measured:
    05:02
    h
  • 40668 Meerbusch-Lank
    Kirche St. Stephanus

    temperature:
    13,2
    °C
    humidity:
    57,8
    %rF
    measured:
    05:04
    h
  • 52062 Aachen
    DOM

    temperature:
    14,0
    °C
    humidity:
    58,6
    %rF
    measured:
    05:01
    h
  • 50676 Köln
    Krypta Maria im Kapitol

    temperature:
    14,3
    °C
    humidity:
    74,1
    %rF
    measured:
    05:04
    h
  • 66346 Püttlingen-Köllerbach
    ev. Martinskirche

    temperature:
    12,0
    °C
    humidity:
    65,9
    %rF
    measured:
    05:04
    h
  • Our 2000th church heating...
    ...and our team of 1936
  • MAHR company building since 1966
  • MAHR fleet 2014
  • Aachen Cathedral
    ... equipped with a MAHR church heating since 1912

Our specialization

Heating churches

Know-How

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Always there for you


Welcome to our homepage.
Theod. MAHR Söhne GmbH with its 150 employees is one of the best-performing enterprises in the field of heating, airconditioning and ventilation in North Rhine-Westphalia.

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Our greatest strength lies in the long-term orientation of our family business, which will soon be led in the sixth consecutive generation. This is living sustainability, to the benefit of employees and customers.

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Doing business doesn´t mean keeping your eyes exclusively on figures like capital ratio or EBIT. Commitment means personal involvement, donating, taking responsibility.


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