Business Details
41 Years
experience
Emergency
services
Expert HVAC & Plumbing Services in Oshkosh
Gartman Mechanical has been delivering high-quality mechanical contracting services for over 40 years. Our expertise spans HVAC systems, plumbing, refrigeration, and professional engineering for residential, commercial, and industrial clients. As a union-certified shop, we require all technicians to complete rigorous apprenticeship programs, ensuring exceptional workmanship. Our team includes licensed engineers, journeyman tradespeople, and certified specialists who perform maintenance, repairs, and installations on high-pressure boiler systems, chillers, and advanced mechanical equipment. We combine technical excellence with 24/7 emergency service to provide reliable solutions tailored to our customers' needs across Oshkosh and surrounding areas. 
Services
HVAC Installation
Plumbing Services
Refrigeration Systems
Boiler Maintenance
Engineering Design
Emergency Repairs
Water Heater Installation
Air Conditioning Repair
Sheet Metal Fabrication
Steam System Services
Details
- Year established: 1985
Highlights and features
- 24-hour emergency services available 365 days a year
- Union-trained technicians with 5-year apprenticeship programs
- Specialists in high-pressure boiler systems and industrial refrigeration
- Professional engineering services with 40+ years of experience
- Servicing Oshkosh since 1985 with local expertise
What people say
Excellent Service
Prompt service
Knowledgeable, friendly
Professional, courteous
Trusted choice
Services
HVAC Installation
We provide complete HVAC installation for residential and commercial properties, including forced air furnaces, heat pumps, central air systems, and variable air volume (VAV) units. Our licensed engineers and certified technicians ensure proper equipment selection and energy-efficient installation. With over 40 years of experience, we deliver reliable heating and cooling solutions that meet building codes and performance standards.
Plumbing Services
Our state-certified plumbers handle all residential and commercial plumbing needs, from water heater installation to drain line clearing and gas line repairs. We service both existing systems and new construction projects. With 50+ years combined experience, our team performs emergency plumbing repairs and preventive maintenance on boilers, sump pumps, and piping systems.
Refrigeration Systems
Specializing in industrial refrigeration for food distributors and restaurants, we install and service walk-in coolers, ice merchandisers, and cascade refrigeration systems. Our technicians maintain optimal performance for chilling equipment, including evaporative condensers and refrigeration control systems. We offer 24-hour emergency service for critical temperature-controlled environments.
Emergency Repairs
Available 24/7 for urgent mechanical failures, our emergency team responds to HVAC breakdowns, plumbing leaks, and refrigeration system malfunctions. With immediate dispatch and fully stocked service vehicles, we minimize downtime for residential homeowners and commercial operations throughout Oshkosh, WI.
Engineering Design
Our professional engineers provide design-build solutions for complex mechanical systems, including HVAC, plumbing, and industrial process equipment. With expertise in energy efficiency and environmental control systems, we offer consulting services for new construction and retrofit projects, ensuring code compliance and long-term system performance.
Questions
What services does Gartman Mechanical offer?
We provide HVAC installation and repair, plumbing services, refrigeration systems, boiler maintenance, engineering design, and 24-hour emergency mechanical services for residential and commercial clients.
Are you available for emergency service?
Yes, we offer 24/7 emergency service with immediate dispatch available at our Oshkosh location.
Do you service both residential and commercial properties?
Yes, we serve both residential homeowners and commercial/industrial clients with mechanical contracting services.
How quickly can you respond to service requests?
We prioritize emergency calls immediately and schedule standard service appointments based on availability.
What areas do you serve?
We primarily serve Oshkosh, WI and surrounding areas with mechanical contracting services.
Can you service equipment you didn't install?
Yes, we service and repair all makes and models of HVAC, plumbing, and refrigeration equipment regardless of original installer.
