Freitag provides full lifecycle HVAC support, from installation to long-term maintenance and system optimization.


We provide custom HVAC solutions designed for your specific needs, from new construction to system upgrades and retrofits. We help clients avoid risks through proactive system design and maintenance.

Our experts analyze and optimize your HVAC systems to maximize efficiency and reduce operational costs. Each system is installed and maintained with a focus on performance, compliance, and long-term reliability.
dedicated on average annually
to ensure your projects are completed efficiently.
are among Indiana's top 50 largest publicly traded companies
available around the clock to keep your operations safe and running with minimal to no interruption.
Our technicians are licensed in Indiana and Illinois and hold industry-recognized certifications required for HVAC and refrigeration systems, such as EPA Section 608; OSHA safety training; ASHRAE standards familiarity; NATE; UA apprenticeship & journeyman.
HVAC failures can disrupt operations, impact product quality, and create safety concerns. We focus on preventing issues before they occur, helping you avoid costly emergency repairs and system downtime.
From initial design through ongoing maintenance, we provide complete support throughout your system's lifecycle. Installation, service & repair, and preventative maintenance, Freitag-Weinhardt does it all.
Our solutions help reduce energy consumption while maintaining optimal comfort and performance levels.
Contact us for more information on how our HVAC systems can support your facility throughout its entire lifecycle.