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Retrofit

HVAC Solutions

Proven Retrofit Expertise. Smarter HVAC Solutions.

With decades of experience in HVAC retrofit applications, our team understands the complexities of upgrading legacy systems without disrupting day-to-day operations. We work closely with engineers and facility stakeholders to develop innovative, cost-effective solutions that improve performance, efficiency, and long-term reliability.

Through partnerships with industry-leading manufacturers, we offer tailored retrofit strategies that:

  • Extend the life of existing infrastructure
  • Enhance indoor air quality and occupant comfort
  • Reduce energy consumption and operating costs
  • Increase the overall value and performance of the building asset

Whether you're planning a full system upgrade or a phased retrofit, we bring the technical expertise and product knowledge to ensure a smooth, successful transition.

NAS FANWLL ph

markets

Replace & Renovate

Our team of engineers understands the critical balance between performance, efficiency, and real-world constraints. When specifying HVAC retrofit solutions, we prioritize systems that minimize installation costs and downtime — without compromising on long-term value or energy goals.

As your single source for retrofit equipment and support, we deliver:

  • Innovative, high-efficiency technologies that meet today’s demands and tomorrow’s standards
  • Smart solutions for limited access, tight spaces, and compressed timelines
  • Reliable, low-maintenance products designed for easy service and long-term performance
  • Systems that enhance indoor air quality and occupant comfort
  • Custom-tailored solutions that resolve legacy system issues while supporting future expansion

Whether the project involves a partial upgrade or a full system overhaul, we bring the experience and resources to execute retrofits with precision and confidence.

Resources

ITS represents industry-leading manufacturers that offer innovative products for retrofit applications.. Solutions include replacement coils, fanwall systems, knockdown air handlers, and vertical self-contained units. Learn more about our manufacturing partners, and contact us for more information.

Ventrol NAS
NAS Ventrol logo

Ventrol

Custom Air Handlers
Innovative Custom Air Handling Solutions

Specializing in innovative custom air handling solutions for retrofit and new construction, Ventrol combines a strong customer focus, commitment to quality, and advanced technologies — including thermal breaks, integrated energy recovery heat exchangers, humidification, and sound reduction — to provide the right products for a variety of industries and applications.

Key Features:
  • Air Handling Units
  • Knockdown Air Handlers
  • Factory Piping and Control Packages
  • ... And more
Temtrol NAS
NAS Temtrol logo

Temtrol

Air Handling Units
Air Handling Equipment

Temtrol offers innovative and cost-effective custom air handling solutions for a variety of applications including healthcare, government, education, and office facilities.

Key Features:
  • Air Handling Units
  • Fan Coil Units
Huntair Product
NAS Huntair logo

Huntair

Custom Air Handlers
Innovative Air Handling Solutions

Huntair, founded in 1993, initially focused on providing innovative air handling solutions for the semiconductor and pharmaceutical industries before widening their scope to include products for other mission-critical and commercial applications. Huntair is known today as the world leader in meeting mission critical air management requirements with installations around the world.

Key Features:
  • FANWALL
  • Air Handling Units
  • Make-up Air Units
Governair NAS product
Governair Logo

Governair

Air Handling Units
Commercial and Industrial Custom Air Handlers

The Governair brand has been an industry leader in the design and manufacture of HVAC systems since its founding in 1937. From the first window air conditioning units to bear the Governair name to the world-class, integrated air handling systems engineered today, the Governair brand is both a pioneer and standard bearer in the HVAC market.

Key Features:
  • Air Handling Units
  • FANWALL
  • Knockdown Air Handlers

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ITS offers innovative solutions backed by decades of experience. Our team looks forward to hearing from you about how we can assist!

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