Business Details
Emergency
services
Trusted HVAC & Plumbing Solutions in Oshkosh
Gartman Mechanical Services is a mechanical contracting firm with deep expertise in HVAC, refrigeration, plumbing, and engineering solutions. Our team includes licensed professional engineers, certified plumbers, sheet metal journeymen, and refrigeration specialists who combine technical skill with decades of collective experience. As a union shop requiring rigorous apprenticeships, we maintain high standards of craftsmanship and service reliability. We serve residential, commercial, and industrial clients with new installations, preventive maintenance, and emergency repairs.Our capabilities include system design, sheet metal fabrication, and state-approved engineering plans. We prioritize energy efficiency, system longevity, and tailored solutions for each client's unique requirements. Backed by 24-hour emergency service and partnerships with leading equipment manufacturers, we deliver consistent performance across heating, cooling, and mechanical systems. Our reputation for quality workmanship and customer-focused service has been built through decades of addressing complex mechanical challenges in both new construction and existing facilities.
Services
HVAC Installation
Plumbing Services
Refrigeration Systems
Boiler Maintenance
Sheet Metal Fabrication
Emergency Repairs
Heating Solutions
Cooling Systems
Commercial HVAC
Residential Repairs
Highlights and features
- We offer 24-hour emergency service for urgent mechanical needs
- Our team includes licensed engineers and certified HVAC specialists
- We maintain union standards with 5-year apprenticeships for technicians
- We are authorized Trane dealers with specialized refrigeration expertise
- We provide comprehensive design-build services for new construction
What people say
Quick emergency response
Professional technicians
Reliable system installations
Expert boiler repairs
Excellent customer service
Services
HVAC Installation
Our HVAC installation services deliver efficient climate control systems for residential and commercial properties. Using advanced design software and industry-leading equipment, we ensure optimal performance and energy efficiency. Our certified technicians handle complete system replacements and new construction installations.
Plumbing Services
We provide comprehensive plumbing solutions including system design, installation, and emergency repairs. Our master plumbers handle residential and commercial projects with professional engineering oversight. Services cover water heaters, boilers, and piping systems for new and existing buildings.
Refrigeration Systems
Specializing in commercial refrigeration, we install and service walk-in coolers, freezers, and industrial refrigeration units. Our technicians work with major brands and maintain systems for food distributors and restaurants. We offer 24-hour emergency repair services for critical cooling needs.
Sheet Metal Fabrication
Our in-house sheet metal fabrication shop produces custom ductwork and architectural components. We work with carbon steel, stainless steel, and aluminum to create HVAC systems, dust collection units, and architectural metalwork for commercial and industrial applications.
Emergency Repairs
We provide urgent repair services for HVAC, plumbing, and refrigeration systems with 24-hour availability. Our trained technicians respond promptly to critical system failures, ensuring minimal downtime for residential and commercial clients through immediate diagnostics and repairs.
People
Scott Olejnik
Owner Vice President
With over 30 years in mechanical contracting, Scott oversees operations and engineering standards. He holds HVAC qualification certifications and applies his business finance expertise to strategic growth initiatives.
Tim Weitz
Owner President
Leading business development since 2000, Tim focuses on client relationships and service quality. His background in business administration guides operational improvements while maintaining hands-on involvement in complex projects.
Arnold Henke
Master Plumber
A master plumber with decades of experience, Arnold specializes in high-pressure boiler systems and complex piping installations. He mentors apprentices while handling critical plumbing projects requiring advanced technical expertise.
Chad Eiden
Steamfitter
With 18 years at Gartman, Chad combines technical skill with marathon-running discipline. He specializes in steam system installations and complex mechanical piping projects requiring precision and endurance.
Devin Kunde
HVAC Technician
A certified HVAC specialist since 2021, Devin handles residential and commercial system installations. His technical degree and outdoor enthusiasm translate to practical solutions for climate control challenges.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including system design, installation, maintenance, and emergency repairs for residential and commercial properties.
Do you offer 24-hour emergency service?
Yes, we provide 24-hour emergency support for HVAC, plumbing, and refrigeration system failures with immediate technician dispatch.
What areas do you service?
We primarily serve Oshkosh, WI and surrounding communities for residential, commercial, and industrial mechanical contracting needs.
Are you an authorized Trane dealer?
Yes, we are authorized Trane dealers offering premium HVAC equipment with professional installation and maintenance services.
How can I schedule service?
Call 920-231-5530 anytime for emergency service or use our contact form to schedule routine maintenance and installations.
