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520 W. South Park Avenue
Oshkosh, WI, 54902
920-231-5530

24-Hour Emergency Service
Free Estimates

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"We service all makes and models."

Chris

Thank you for coming out and helping us. My wife is on hospice. The tech (Devin) was polite, helpful, respectful & a joy to work with. 

March 2025

Client Testimonials

  • Work was done yesterday and was great!

    Nick

  • Dear Tom and GMS. Thank you for your service over these 30 plus years.

    Charles

  • Thank you for the good service.

    Bob

  • Thank you for the "wonderful" service-we are very pleased!

    Tim & Karen

920-231-5530
pwilz@gartmanmechanical.com
520 W. South Park Avenue