When it comes to cooling your home, our experienced design team will ensure you get the most effective and efficient cooling systems that control temperature, humidity and air quality for your home environment. Our qualified technicians will install and maintain your system to operate at optimum performance and efficiency. All of our technicians are fully trained and capable of repairing any make or model.

Preventative maintenance is highly recommended in both Spring and Fall.

24-hour emergency services at 920-231-5530.

To schedule a repair or to request a free estimate, please call 920-231-5530 or send an email to This email address is being protected from spambots. You need JavaScript enabled to view it..

We are an authorized Trane Dealer.

Other services include:

  • Air Conditioning Systems
  • Forced Air Furnaces
  • Central Air Systems
  • Clogs/drain line
  • Ductless Units Energy
  • Recovery Ventilators (ERV’s)
  • Garbage Disposal
  • Gas Forced Air Furnaces
  • Generators Handicap Installations
  • Heat Pumps
  • Hot Water Boilers
  • Humidifiers
  • Ice Cube Makers
  • New Construction Design and Remodel
  • Programmable and Non-Programmable Thermostats (Wifi – Nest)
  • Steam Boilers
  • Sump Pumps
  • Toilet Installation/Repair
  • Tub/Shower Installation/Repair
  • Water Heaters

Client Testimonials

  • Thank you so much for coming out on one of our coldest nights. We are appreciative. The prompt, efficient service and positive attitude. You have won our trust. Sincerely,


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


  • I want to thank you and the team for the professional installation of the garage heater. It looks great and so far is doing the job. Not that I wish for colder weather, but I can’t wait to see how warm the garage is when it’s -20 outside. This will be a game changer this winter. N0 more warming up the car before leaving for work.

    Dr. Tim

  • Thank you for all your assistance, guidance & service. Your crew is always knowledgeable, resourceful, friendly and recognized as part of our team. Gartman Mechanical Services has truly enhanced our company’s infrastructure to become a leader in the composites industry. THANK YOU!


  • Thank you so much for solving our issue with the hot water tank! Truly appreciated your positive attitude thru everything. We will recommend your company! Thank you again for your help!

    Carla & Mike

  • To the Gartman Employees, thank you for the great service. Your employees were very kind and polite. We feel you quoted us a great price and would recommend you to other people. We are a very satisfied customer. Many thanks again,

    Glenn & Ruth

  • Happy Customer Here! What prompt service too!! Tom did a great and a thorough job cleaning up and fixing up the existing unit.


  • Thank you for taking care of the boilers at the townhomes we manage. We appreciate so much the prompt, courteous, thorough work and fair pricing you offer.

    Jodi & Dave

  • Dear Tim & GMS, I wanted to thank you for all the many years of great service you have provided, especially most recently regarding the assistance with the sale inspection. Your expertise and customer service has been awesome.


  • We were very impressed with Brian’s work, conscientiousness and promptness. He was very polite also. It’s nice to be the recipient of such great service.


  • I cannot tell you how grateful we are. Thank you for the good service and promptness.


  • Thank you for the always wonderful & quick service.


  • Thanks to the Gartman Team for the professional services we needed and in a very timely manner.


  • You are all wonderful! Thank you so much for all of your help!


  • Thank you for a great job, everything is working well.


Gantry 5
520 W. South Park Avenue