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  • Thielmann & Son

    • Heating/Air Conditioning
    1310 E. Sumner Street
    Hartford, WI 53027
    (262) 673-2500
    (262) 673-2685 (fax)
    Monday thru Friday 8am-4:30pm
    Saturday and Sunday-Closed
    We offer 24 hour emergency service
    • About

      Thielmann & Son is proud to be your heating and cooling experts in Southeast Wisconsin since 1929! With offices in New Berlin, Hartford, Burlington, and Menomonee Falls we provide exceptional service.

    • Directions

      Across from Ponderosa on Hwy 60 in Hartford, WI.

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