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  • T H Eifert Mechanical Contractors
    T H Eifert Mechanical Contractors
    (517) 484-9944
    , 48906  Lansing

    Established in 1975, T.H. Eifert Mechanical Contractors is a Woman-Owned business based in Lansing, Michigan. The Eifert family founded the business as T.H. Eifert Plumbing and Heating on Shiawassee Street in Lansing. By 1989, the company out-grew their facilities, so they built a new headquarters …

  • Doty Mechanical, Inc
    Doty Mechanical, Inc
    517.327.7777
    615 S Waverly Rd, 48917-3670  Lansing

    Currently the dual-source heat pump (DSHP) technology is available from a single manufacturer—Global Energy & Environmental Research, Inc. (GEER), Lutz Florida. GEER manufactures a line of residential units and retrofit packages for larger commercial-sized systems. Residential sizes range from 2 1/…

  • Comfort First Heating & Cooling, Inc.
    Comfort First Heating & Cooling, Inc.
    (517) 323-3314
    3375 N Waverly Rd, 48906-2497  Lansing