HVAC SYSTEMS

Industrial HVAC Systems Built and Maintained for Performance and Reliability

At Freitag-Weinhardt, HVAC is more than heating and cooling, it’s about system performance, operational reliability, and long-term value. Our team works within strict industry standards to design, install, and maintain systems that support demanding process and comfort environments.

Core Services

COMPLETE HVAC SOLUTIONS

Rooftop/Package HVAC Systems
VRF/Mini-Split Systems
Boilers & Chillers
Hydronic Heating/Cooling Systems
Pneumatic Control Systems
Equipment replacement and system upgrades
Troubleshooting and diagnostics
Rapid response to minimize operational disruption

PREVENTATIVE MAINTENANCE

Avoid costly breakdowns
Increase system efficiency
Expand equipment life
Ensure greater safety
Scheduled inspections and system checks
Monitoring to help prevent unexpected failures
A large commercial HVAC system on the roof of a building.
An HVAC system being installed on a building

SYSTEM DESIGN & INSTALLATION

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.

Freitag HVAC service employees in a group photo.

ENERGY OPTIMIZATION

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.

By the Numbers

EFFICIENCY
750K+
LABOR HOURS

dedicated on average annually
to ensure your projects are completed efficiently.

OUR CUSTOMERS
70%
of our top-tier customers

are among Indiana's top 50 largest publicly traded companies

SAFETY
24/7
emergency response

available around the clock to keep your operations safe and running with minimal to no interruption.

WHY CHOOSE FREITAG-WEINHARDT FOR hvac SYSTEMS

Industrial Icon

TECHNICAL EXPERTISE

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.

Industrial Icon

PROACTIVE APPROACH

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.

Industrial Icon

COMPREHENSIVE SERVICE

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.

Industrial Icon

ENERGY EFFICIENCY

Our solutions help reduce energy consumption while maintaining optimal comfort and performance levels.

Ready to Start Your Project?

Contact us for more information on how our HVAC systems can support your facility throughout its entire lifecycle.