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  • 40627 Düsseldorf-Unterbach
    Kirche St. Mariä Himmelfahrt

    temperature:
    14,8
    °C
    humidity:
    50,8
    %rF
    measured:
    10:24
    h
  • 31134 Hildesheim
    Michaeliskirche

    temperature:
    11,5
    °C
    humidity:
    57,5
    %rF
    measured:
    10:23
    h
  • 40668 Meerbusch-Lank
    Kirche St. Stephanus

    temperature:
    15,4
    °C
    humidity:
    55,0
    %rF
    measured:
    10:15
    h
  • 52062 Aachen
    DOM

    temperature:
    13,9
    °C
    humidity:
    60,8
    %rF
    measured:
    10:20
    h
  • 50676 Köln
    Krypta Maria im Kapitol

    temperature:
    15,1
    °C
    humidity:
    75,3
    %rF
    measured:
    10:22
    h
  • 66346 Püttlingen-Köllerbach
    ev. Martinskirche

    temperature:
    16,0
    °C
    humidity:
    61,7
    %rF
    measured:
    10:23
    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

Specialized Constructions

Service Small Devices

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Welcome to our homepage.
Theod. MAHR Söhne GmbH with its 165 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 is now 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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