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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."

Jason Gaffney

  • Year started with Gartman: 2012
  • Education: Sheet Metal Apprentice
  • Hobbies: Hunting, Fishing, Boating, Camping
  • Favorite Quote: "If you cannot do great things, do small things in great ways."

Client Testimonials

  • Thank you, Penny! We really appreciate your quick response to our furnace needs. Looking forward to completing these repairs and very thankful for the great communication and work ethic of the company!  

    Tina & Tim

  • Bobby came out and he was great.

    Tim

  • Thank you. Your technician did a thorough & awesome job!!!

    Teri

  • I want to say thank you to you Penny and the staff over there for your awesome and friendly customer service. My parents had issues with their furnace and I told them to call GMS. They were very impressed with how quickly you arrived and the professionalism. Props to you and the team!!

    Richard

  • Chad & Jesse did a great job. Everything was neat and clean and looks good.

    Jack

  • Thank you Tom & Penny.

    Helen

  • Thank you for working with me. Fantastic and professional staff and I love my new furnace.

    Susan

  • Thank you so much! Our house is consistently more comfortable.

    Charlie

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