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Sheet Metal Fabrication in Langhorne, PA | JR Michalski
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Our own sheet metal shop — fabricating in-house since 1990

Sheet metal fabrication in Langhorne
custom ductwork & fittings

Most HVAC contractors order their ductwork and wait. We build ours. JR Michalski has run its own sheet metal shop since 1990 — fabricating custom duct, fittings, and transitions to the exact dimensions of the job, for homes and businesses across Bucks County and the surrounding NJ/PA area.

Call 215-752-1442 Get a free estimate
Our own shop, not a supplier
Built to your job's dimensions
Galvanized steel & aluminum
Fabricating since 1990
100% guaranteed work

Sheet metal fabrication in Langhorne, PA

Sheet metal fabrication in Langhorne — custom ductwork, built in house.

Sheet metal fabrication in Langhorne is what lets us finish jobs other contractors have to wait on. Off-the-shelf duct comes in standard sizes, and almost no real building is standard — there's a beam in the way, a joist bay that's an inch too tight, an older Bucks County home where nothing is square. When the fitting doesn't exist, we make it.

Our shop runs press brakes, rollers, spot welders, and hydraulic presses, and our crew works in galvanized steel and aluminum — bending, shearing, rolling, punching, and welding duct, fittings, transitions, and takeoffs to spec. We've been doing it since 1990, and it's the reason a change-out at your house doesn't sit idle waiting on a supplier's delivery truck.

Custom sheet metal ductwork fabricated in the JR Michalski shop in Langhorne PA
35+
Years fabricating in house

What we fabricate

Custom duct, fittings, and the pieces nobody stocks.

Everything we make is cut to the measurements taken on site — not ordered from a catalog and forced to fit.

Fabrication 01

Custom Duct Fabrication

Supply and return trunk lines, branch runs, and plenums built to the dimensions of your building — sized for proper airflow rather than squeezed into whatever stock size was closest.

Get a free estimate
Fabrication 02

Fittings, Transitions & Takeoffs

Elbows, offsets, reducers, boots, and transitions — the odd-angle pieces that never come standard and are exactly what holds a retrofit up when they have to be ordered in.

Ask about a fitting
Fabrication 03

Custom Sheet Metal Work

Our shop handles bending, shearing, rolling, punching, and spot welding. Most of what we build is HVAC ductwork — but if you have something else in mind, call and describe it and we'll tell you honestly whether we're the right shop for it.

Call and describe the job

Why it matters

Why in-house fabrication makes a better install.

It sounds like a technicality until you've lived through the alternative — a job on hold because a single transition piece is three weeks out. Here's what having our own shop actually changes.

No supplier lead time Custom pieces get built here, on our schedule. Your installation isn't held hostage by someone else's delivery queue or backorder.
Built to real field measurements We measure the actual space and fabricate to it — instead of forcing a stock fitting to work and sealing up the gap with tape and hope.
Better airflow, quieter operation Properly sized duct with smooth, correctly made transitions moves air with less resistance and less noise. Pinched or improvised fittings do the opposite.
Older and irregular buildings Century-old Bucks County homes, finished basements, tight joist bays, and commercial retrofits — the jobs where nothing off the shelf fits.
The right material for the job Galvanized steel for its durability, affordability, and corrosion resistance; aluminum where a lighter material with good corrosion resistance makes more sense.
One company, accountable start to finish The people who fabricate the duct are the people who install it. Nothing gets blamed on a supplier, because there isn't one in the middle.

Need custom ductwork?

Tell us about the job — a new install, a retrofit, or a fitting nobody stocks — and we'll get you an estimate.

215-752-1442
Fabricated in our own shop
Residential & commercial
Galvanized steel & aluminum
Free estimates

Where we work

Custom ductwork across Bucks County and beyond.

JR Michalski fabricates and installs custom ductwork for homes and businesses across Bucks County, Montgomery County, and the surrounding NJ/PA area — as part of a full HVAC installation or as a standalone ductwork project.

Langhorne, PA Bristol, PA Levittown, PA Willow Grove, PA Croydon, PA Trenton, NJ Burlington, NJ Ewing, NJ

Common questions

Sheet metal and duct fabrication questions we get asked.

Quick answers on custom ductwork, materials, and what our shop can build.

Call 215-752-1442
What do you fabricate in your sheet metal shop?
Primarily HVAC ductwork — supply and return trunks, branch runs, plenums, elbows, offsets, reducers, boots, transitions, and takeoffs — all built to the measurements of the specific job. Our shop runs press brakes, rollers, spot welders, and hydraulic presses, so if you have another sheet metal project in mind, call and describe it.
Why does custom ductwork matter instead of off-the-shelf?
Stock duct comes in standard sizes, and buildings rarely cooperate. When a fitting doesn't quite fit, the common workaround is to pinch it, improvise, and seal the difference — which restricts airflow, creates noise, and leaks conditioned air. Fabricating to actual field measurements avoids all of that.
What materials do you work with?
Galvanized steel and aluminum. Galvanized is the workhorse for ductwork — durable, affordable, and corrosion resistant. Aluminum is the lighter option with good corrosion resistance, useful where weight or the environment makes it the better choice. We'll recommend the right one for your application.
How long does custom fabrication take?
Far less time than ordering it. Because the shop is ours, we schedule fabrication around the install rather than around a supplier's queue — which for most jobs means the ductwork is ready when the crew is. We'll give you a realistic timeline with your estimate.
Can custom ductwork fix airflow problems in my home?
Often, yes. Rooms that never reach temperature, whistling registers, and a system that runs constantly are frequently duct problems rather than equipment problems — undersized runs, crushed flex, bad transitions, or leakage. We'll assess the ductwork before recommending you replace equipment that may be working fine.
Do you fabricate for commercial jobs too?
Yes. Our shop supports both residential and commercial HVAC work — retrofits, change-outs, and build-outs where the existing conditions mean nothing standard will fit.
How much does custom duct fabrication cost?
It depends on the size and complexity of the job, the material, and how much of the system is being fabricated versus reused. We're upfront about pricing before we begin, and estimates are free — call and describe the project and we'll get you a number.

Need it custom? We'll build it.

Custom duct fabrication and sheet metal work for homes and businesses across Bucks County, Montgomery County, and the surrounding NJ/PA area — made in our own shop since 1990.

Call 215-752-1442 Request an estimate