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

24-Hour Emergency Service
Free Estimates

"We service all makes and models."

Professional results for any
Type of Application

Contact Us

Welcome to Gartman Mechanical Services

We offer an array of professional residential, industrial and commercial services including HVAC, Plumbing, Refrigeration,
Professional Engineering, Testing, and Analysis.

Residential Services

Heating

Cooling

Plumbing

Air Conditioning

Hot Water Heat

Water Heaters

Commercial Services

Engineering Services

Refrigeration

Heating Systems

Air Conditioning

Ventilation

Boiler and Steam Systems

Plumbing Services

Sheet Metal Fabrication and Installation

Plumbing and Piping Systems

Air Filtration

Humidification and Dehumidification

Engineering Services

Engineering Services

Refrigeration

Heating Systems

Air Conditioning

Ventilation

Boiler and Steam updates

Client Testimonials

• Came home from holiday break to find a large pool of water in my basement. Called GMS and they had a service man there within 15 minutes and was able to replace my hot water heater within two hours. Outstanding service! I am a very happy customer.  

  Laura Andre

• Thank you, Scott. Kitchen temp went from 64 degrees to 70..so nice to be warm after 40 years of freezing Barb                          

  Barb

• Your gentlemen successfully identified some faulty parts causing our never ending heating struggles.   We really appreciate what they are doing for us. 

  Andy

• Thanks for the prompt response to our problem.

  Terry & Carol

• Penny, wanted to thank you and the staff at GMS for coming through for us this week!  As always, total professionalism and and going above and beyond for  your customers is what makes GMS stand out as a top notch company in our eyes.  We’ll recommend GMS every time when asked for suggestions for mechancial technicians. 

  Mary & Kathy

• Very pleased with your company’s work.  It doesn’t matter if it’s cleaning our furnace, installing our A/C or taking care of our kitchen plumbing problems.  All you people do excellent work.  

  Lois & David

• Best technician I’ve had.  Very thorough and answered all my questions.  Will be requesting Tom for all future HVAC jobs.

    Andrew

• I have been a satisfied Gartman customer for over 40 years.  Your crew went above and beyond to expedite installation of my new furnace.

  Bridget

• Thank you for your prompt service.

  Mary

 

920-231-5530

pwilz@gartmanmechanical.com

520 W. South Park Avenue