Hot zones, cold zones, rooms that never cool down, ducts that whistle, and utility bills that will not come down. Bad ductwork is behind a lot of complaints HVAC contractors get blamed for. ESP Services designs, fabricates, and installs commercial ductwork that actually performs the way it should.
The best rooftop unit on the market cannot fix bad ductwork. If the duct system is undersized, poorly sealed, badly routed, or designed without load calculations, you get uneven temperatures, noise, high utility bills, and an HVAC system that runs harder than it should to do half its job. ESP Services treats ductwork as engineering, not just sheet metal.
Whether you are building new, renovating, replacing aging ducts in an older building, or trying to figure out why one room is always 8 degrees off the rest of the floor, we design and install ductwork that solves the actual airflow problem. Properly sized, properly sealed, and built to last.
New Construction Ductwork
Full duct systems for new commercial buildings, designed and installed in coordination with the GC, architect, and other trades. Rough-in done right means the building works on day one.
Ductwork Replacement
Aging duct systems are replaced with modern, properly sealed installations. Phased to keep the building operational, with new construction quality applied to retrofit work.
Ductwork Modifications
Renovations, additions, and tenant improvements often need ducts reworked. We extend, reroute, and modify existing systems without breaking what was working.
Safety Improvements
Custom fittings, transitions, and duct sections built to spec in-house. Includes exposed ductwork for restaurant and retail spaces where the design has to look as good as it performs.
Code Compliance Updates
Mastic on every joint, foil tape where it belongs, and insulation specified to code and use case. Stops the energy loss and condensation problems that come from sloppy ductwork.
Exhaust and Makeup Air Systems
Kitchen exhaust, industrial exhaust, and makeup air systems are sized to actually balance the building. Including a grease duct for commercial kitchens and process exhaust for manufacturing.
Commercial ductwork is fundamentally different from residential. Bigger volumes, more zones, longer runs, and the kind of routing that has to thread through structure, fire-rated walls, and ceilings shared with electrical, plumbing, and sprinkler. We have spent over two decades doing this work in occupied buildings and on active construction sites.
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We do Manual D load calculations and proper system design before fabricating anything. Most ductwork problems trace back to skipped engineering, and we do not skip that step.
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Custom fittings, transitions, and odd geometry built to spec without waiting two weeks for a shop order. Faster turnaround and a tighter fit on every job.
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Mastic on every joint, proper hangers and supports, insulation specified to code and use. The kind of installation that actually performs as designed five years in.
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On active construction sites, we coordinate routing with electrical, plumbing, sprinkler, and structural. No surprises during inspection, no rework after rough-in.
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Most of our retrofit and replacement work happens in buildings that have to stay operational. We work nights, weekends, and around your schedule when the job demands it.
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A poorly designed or installed duct system can quietly waste 20 to 30% of the energy your HVAC system uses. It is the single most common cause of "the HVAC just is not working right" complaints, and it is the one contractors are least likely to look at. Tenants complain. Hot zones never cool down. The system runs more often. Equipment ages faster.
Sometimes the problem is not the equipment at all. It is the ducts. We help building owners get ahead of this with proper design, code-compliant installation, and the kind of sealing and insulation that holds up to time.
Yes. Every commercial ductwork design starts with load calculations and equipment matching. Skipping this step is why most ductwork problems exist in the first place.
Yes. Custom fittings, transitions, and odd geometry built to spec without long shop lead times.
Yes. Most retrofit and replacement work happens evenings, overnights, or weekends so your building stays operational.
Yes. Extensions, rerouting, and modifications are routine. We coordinate with the GC and other trades on active job sites.
Yes. Including grease duct, makeup air units, and the balance work that keeps commercial kitchens code-compliant.
Both, or one or the other. We can design ductwork for a GC’s crew to install, install to someone else’s design, or handle the whole scope. Whatever fits the project.
Tell us about the building, the project, or the complaint that brought you to this page. We will design, fabricate, and install ductwork that solves the actual problem.
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