
Duct installation — Jupiter, FL
The tonnage is not the problem. The path the air takes is.
Duct that is too small starves the system. Duct that is too big lets the air slow down before it arrives. And a run that takes four turns to reach a far bedroom will never cool it, whatever size unit you put in front of it.
Sun–Thu 7 AM–8 PM · Fri 7 AM–6 PM · Sat closed
Florida licensed
AC contractor CAC1822067
Business hours
Sun–Thu 7 AM–8 PM · Fri 7 AM–6 PM · Sat closed
Same or next day
Scheduling that fits your week
4.9★
43 Google reviews
Why sizing decides it
Your ducts have a size, and somebody chose it.
Most homeowners have never been told their ductwork has a size at all. It does: a width, a length and a number of turns, picked once for the house as it stood then. Everything below is what happens when that choice was wrong, and none of it is fixed by a bigger air conditioner.
Too small, and the system starves
A blower can only push air down the duct it is given. A run narrower than the air it must carry raises the pressure the system works against, so the unit spends its life fighting the house rather than cooling it.
Too big, and the air slows down
Air spread across a duct wider than it needs loses its speed. It arrives at the register with nothing behind it, drifts along the ceiling, and never reaches the far side of the room you are standing in.
Every turn costs you something
A run that leaves the plenum and takes four turns to reach a back bedroom has given up pressure at each one. That room will not cool whatever tonnage sits outside, because the air is not getting there.
A layout nobody actually chose
Most duct follows whatever path was quickest for whoever built the house, then gets extended for a garage conversion or a new bathroom. Replacing it is the one moment it can be routed deliberately.
Flex duct does not stay where it was put
Flexible duct is a plastic sleeve over a wire spiral, and in an attic it sags between straps, kinks at a turn and crushes against a joist. A sag is a restriction from the day it happens.
A bigger unit makes it worse, not better
More air pushed down the same undersized run means more pressure, more noise, and the same disappointing draught at the register. The duct decides what the house actually receives.
The two materials
What a run is actually made of.
Replacing ductwork means choosing what the new run is built from, and the two answers look nothing like each other from the inside. Flexible duct is quick to install and forgiving of a crooked path. Rigid metal holds its shape, its size and its direction, and has to be made to fit.


How the job is decided
Five decisions, before anything is cut.
Tap any step. Replacing ductwork is mostly a sequence of decisions about size and path — the cutting is the easy part, and it comes last.
- We look before anyone says replaceThe cheapest answer is very often the right one.
- The house is measured, not the old ductWhat is there is evidence, not a specification.
- The path is chosen before the size isLength and turns cost more than most people expect.
- The estimate, in your home, before any workPriced after we have looked, never before.
- The work, then the walk-throughYou see the result before we pack up.
Step 1 of 5
We look before anyone says replace
A room that never cools is not by itself a case for new ductwork. Buildup along the run, a torn joint at a collar, a length that has sagged in the attic, a damper that has stopped moving — all produce the same complaint, and all are cheaper. One review on the profile describes exactly that: the ductwork was checked before anyone discussed a new system, and the house did not need one.
Step 2 of 5
The house is measured, not the old duct
How many rooms the system has to reach, how far each one is, where the air handler sits, and what the attic framing allows. The duct already in the ceiling tells us what somebody did once; it does not tell us what the house needs. Copying it is how a bad layout gets rebuilt in new material and disappoints its owner a second time.
Step 3 of 5
The path is chosen before the size is
A short straight run and a long one with four elbows are not the same duct at the same width. So the route is settled first — where the trunk goes, which rooms branch off it, where the returns sit — and the sizes follow from it. This is the step that decides whether the bedroom at the end of the house is ever comfortable.
Step 4 of 5
The estimate, in your home, before any work
Cost depends on the size of the house, how much of the run is being replaced and what the attic allows, so the figure is given on site once a technician has seen it, and before anything starts, with no obligation to book on the day. Reviewers on the profile mention the price at the end matching the price at the start.
Step 5 of 5
The work, then the walk-through
The old run comes out and the new one goes in, the boots and registers are refitted, and then someone over eighteen walks the result with the technician: what was replaced, what was left, and anything found on the way that is worth knowing about. The floor is swept and the furniture goes back where it was before we leave.
- 4.9
Rating on the Jupiter Google profile
- 44%
Of Jupiter's homes are detached
- 68.8%
Of them were built before 2000
- 31,257
Homes in Jupiter
Where we do this work
New ductwork across fourteen towns.
What the attic allows changes from town to town and from decade to decade, and so does the layout we find when we open a ceiling. Each town has its own page, with the housing numbers behind it.
Palm Beach County, with the towns we serve picked out. Stuart is served too and sits in Martin County, just off this map.
Green: we serve itCoverage check
Is your town on the list?
- Greenacres 17,482 homes
- Juno Beach 3,658 homes
- Jupiter 31,257 homes
- Jupiter Inlet Colony 238 homes
- Lake Worth Beach 17,949 homes
- Lantana 6,032 homes
- North Palm Beach 8,427 homes
- Palm Beach Gardens 31,400 homes
- Palm Springs 10,037 homes
- Riviera Beach 18,039 homes
- Royal Palm Beach 14,705 homes
- Stuart 10,577 homes
- Tequesta 3,424 homes
- The Acreage 13,450 homes
- JupiterNamed in 10 of the crew's Google posts
- Juno BeachNamed in 4 of the crew's Google posts
- Palm Beach GardensNamed in 4 of the crew's Google posts
- Jupiter Inlet ColonyNamed in 3 of the crew's Google posts
- TequestaNamed in 3 of the crew's Google posts
The rest of the work
What else this crew is called out for.
Air Duct Cleaning
Every supply and return opened and photographed, then brushed and vacuumed from the register to the plenum and the blower wheel.
Dryer Vent Cleaning
The exhaust line cleared from the connector behind the drum to the cap outside, and the termination flapper checked before we leave.
Chimney Cleaning
Clear soot and buildup so your fireplace can vent safely and perform efficiently.
Duct Repair
Seal leaks, reconnect loose runs and repair damaged ductwork so conditioned air reaches every room.
Duct Installation
This page: new ductwork routed and sized for the house it serves, rather than copied from the run that is already there.
Checkable, not claimed
What we can prove, and where you can check it.
Florida licence CAC1822067
A Certified Air Conditioning Contractor licence held under the company's name, active to 31 August 2028. It is a state licence, searchable by its number.
Searchable by number at myfloridalicense.com.
NADCA member since July 2024
Express Air Duct Cleaning LLC, the company this Jupiter crew trades under, has been a member of the National Air Duct Cleaners Association since 22 July 2024.
Listed on nadca.com under Find a Professional.
Every Google review, one-star included
4.9 from 43 reviews on the Jupiter profile: 42 at five stars and one at one. The one-star sits on our reviews page with the rest of them.
Counted from the saved profile, never derived from the average.
The quote comes before the work
Cost depends on the house, so it is quoted on site once the technician has looked and before anything starts, with no obligation to book on the day.
Reviewers mention no unexpected charges at the end.
100% satisfaction promise
If something is not right, we come back and make it right. It is our own promise rather than a third party's badge — the one line on this grid you cannot look up.
The reviews nearest this work.
“At first, we thought that the problem with airflow upstairs meant we needed a whole new HVAC system”
“At first, we thought that the problem with airflow upstairs meant we needed a whole new HVAC system. Luckily, the expert checked the ductwork first and found that years of buildup inside the vents had made it hard for air to flow. After fixing and cleaning the damaged areas, the whole floor is finally cool again. Saved us from wasting thousands of dollars.”
“Finally, the heat is the same in every room”
“Air conditioning was blowing straight into the unfinished attic because of torn foil tape around the main plenum collar. Using heavy-duty glue to seal the gap fixed the problem right away and got the rest of the house back to normal static pressure. Finally, the heat is the same in every room.”
“Re-hung sagging flex duct in our attic with solid strapping”
“Re-hung sagging flex duct in our attic with solid strapping to correct issue permanently.”
“After calling the front office about our freezing lower-level bedroom, a diagnostic specialist came out and found a completely frozen zone damper”
“After calling the front office about our freezing lower-level bedroom, a diagnostic specialist came out and found a completely frozen zone damper. He manually cleared the mechanism, lubed the pivot joints, and managed to fix issue so heat could flow again.”
“Went out of their way to check our crawlspace ductwork”
“Went out of their way to check our crawlspace ductwork and solve issue without any extra charges.”
“They were able to cleanly repair the issue after only a few minutes after finding an unusual whistling sound”
“They were able to cleanly repair the issue after only a few minutes after finding an unusual whistling sound.”
Before you call
The questions people ask about new ductwork.
Not answered here? Call (561) 652-5107 and a technician will talk it through before anyone books anything.
Ask us directlyHow do I know whether my ducts need replacing or just cleaning?
What does it mean for a duct to be the wrong size?
My air conditioning company says I need a bigger unit. Do I?
Do you have reviews from duct replacement jobs?
Will new ductwork make the house cooler?
What does new ductwork cost?
Which towns do you do this in?
Tell us which room never works.
That one answer is usually enough to say whether you are looking at a cleaning, a repair or a run that needs replacing — and we will tell you which before anyone books anything.
