1153 Route 9W, Marlboro, NY 12542

Design-Build Commercial HVAC Systems That Work

ACT’s design-build team handles everything in-house—from load calculations to final install—for HVAC systems that work smarter.

Design-Build HVAC: One Team. One Plan. One Smooth Project.

ACT’s Commercial HVAC Design-Build Service gives you a single point of accountability for your system’s design and installation. No handoffs, no miscommunication—just a streamlined process with better outcomes.

ACT brings decades of commercial and industrial HVAC expertise to every design-build project. Whether it’s a new tenant fit-out or a full facility buildout, we design with service, efficiency, and long-term performance in mind.

Design-Build Services

  • HVAC system layout and load calculations
  • Duct and airflow design for complex zones
  • Equipment selection and sizing
  • Control strategy and zoning integration
  • Energy modeling and value engineering
  • Coordination with GCs, architects, and MEP teams

Why Design-Build with ACT?

  • No handoffs between designers and installers
  • Systems built for real-world serviceability
  • Experienced in mechanical code compliance and inspection readiness
  • In-house control experts—from zoning to BAS programming
  • Fewer delays, less rework, smoother turnover

Ideal for Commercial Projects Like:

  • Tenant fit-outs and expansions
  • Medical and education facilities
  • Retail and mixed-use commercial spaces
  • Logistics and warehousing facilities
  • Owner-developer ground-up projects

Equipment Types We Commonly Specify

  • Rooftop Units (RTUs)
  • Split Systems and Mini Splits
  • VRF/VRV Systems
  • Boilers and Chillers
  • MAUs, ERVs, and Energy Recovery Ventilators
  • Smart Thermostats, VFDs, and DDC Controllers

Built for Performance. Backed by Service.

Because we install & service what we design, we build systems that are easy to maintain, operate, and scale. We work alongside GCs, engineers, and project managers every step of the way.

Ask us about HVAC design-build for your next commercial project. Let’s create a smarter, more serviceable HVAC system—together.

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   📞 845-565-COOL (2665)

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“We designed a duct system that had to fit within trusses with just centimeters to spare. It took careful planning, but the fit came out perfect.”
Tight fit designed perfectly by ACT's Design-Build team
Carey M
HVAC Designer

Contact Us

Whether you’re planning a retrofit, need a second opinion, or just want a reliable partner to keep your systems running—ACT is ready. We work with building operators, facilities teams, and contractors who expect clear communication and consistent results.

Phone: 845-565-COOL (2665)

Office Hours: Monday–Friday, 7:00 AM – 5:00 PM

Emergency Response: Available 24/7 for PMP clients and VIP accounts.