Custom Duct Installation

What We Offer

At Infinity HVAC, we specialize in custom-designed and custom-built ductwork tailored to your home or business. Weather your project needs a full duct system, new plenums, transitions, or redesigned airflow, our team fabricates everything in-house for a precise, high-efficiency fit. Every custom duct job is measured, built and installed to maximize airflow, improve comfort, and ensure your HVAC system preforms at its best. From tight mechanical rooms to complex layouts, we create duct solutions that standard systems simply can't match.

• Custom-fabricated duct systems built to fit any home or building layout.
• Precision-Measured fitting for mximum airflow and efficiency.
• Sheet metal fabrication including elbows, transitions, plenums, and takeoffs.
• Duct resizing and design to fix airflow issues or balance temperatures.
• High-efficiency duct seaing to reduce energy loss and improve system preformance.
• Full system replacements for old, damaged, or undersized ductwork.
• Commerical duct fabrication for rooftop unita, large systems, and multi-zone applications.
• Insulated ductwork options for noise reduction and condensation.
• Custom returns and supplies to match architectural needs or tight spaces.

You approve all work upfront—no surprises.

Signs You Need Duct Repair or Replacement

• Uneven temperatures between rooms (some rooms too hot, others too cold)
• Weak airflow coming from vents, even when the system is on high.
• Rising energy bills without any change in usage.
• Dust buildup around vents or excessive dust in your home.
• Strange noises like rattling, whistling, or banging from inside the ducts.

Why choose Infinity HVAC

• Licensed & insured technicians
• Same-day service windows
• Energy-efficient solutions to lower bills
• Transparent pricing & clear communication
• Local, 5-star service in Nassau & Suffolk

Service area

Proudly serving Nassau & Suffolk County, Long Island.