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Commercial · Austin area, TX

Commercial Supply Plenum and Duct Cleaning

This commercial job covered a large supply plenum and the round metal ducts that branch off it. Debris had settled on the floor of the plenum and along the duct walls.
Property type
Commercial
Service
Commercial Air Duct Cleaning
Property
Commercial building
The same commercial supply plenum clean after duct cleaning
The request

What the business needed

Debris sitting in a supply plenum is in the path of the air going to every room it serves. The building needed the plenum and branch ducts cleaned with minimal disruption to the people using the space.

Work performed

  1. 01Inspect and plan the access. Open the plenum, check how far the debris extends into the branch ducts and plan the work around the building's hours.
  2. 02Clean the plenum. Remove the settled debris from the plenum floor and walls under negative pressure, so loosened dust is collected rather than blown into the building.
  3. 03Clean the branch ducts. Clean the round metal branch ducts and check the result with photos from inside the ducts.
Before and after

The same spot, before and after

Commercial supply plenum with debris on the floor before cleaning
Before
The same commercial supply plenum clean after duct cleaning
After
Project details

A closer look at the job

What we found

The photos show a lined supply plenum with dust and debris spread across its floor and settled at the base of the supply register, and round metal branch ducts leading off it. The debris was heaviest on the plenum floor, where air slows down and particles drop out.

How we approached it

We started by opening the plenum and checking how far the debris extended into the branch ducts, so the scope covered the whole affected section and not only what was visible from the access point. The plenum was cleaned under negative pressure, so dust loosened from the floor and walls was pulled out of the system instead of traveling on to the rooms. The round branch ducts were then cleaned and photographed from the inside. Photos from the same positions before and after let the result be checked without opening the system again.

Signs to watch for

  • Visible dust around supply registers or on ceiling tiles near them
  • Debris you can see through a register or an access panel
  • Complaints about dust or stale air in part of the building
  • Recent construction or renovation work in the building
  • No record of when the system was last cleaned

Why it matters

A supply plenum feeds every duct branch connected to it. Debris sitting there is in the path of the conditioned air going to the occupied spaces. In a commercial building that air reaches staff, customers or tenants, so keeping the plenum clean is part of keeping the indoor environment in good condition.

Outcome

How it finished

The plenum floor and the branch ducts were left clean, and the before and after photos were shared so the result could be checked without opening the system.

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Questions

About this kind of job

Straight answers to the questions we hear most about this kind of work.

Can commercial duct cleaning be done outside business hours?

That is usually how it is planned. We agree on timing and access with the building in advance, so the work fits around the people using the space.

Why clean under negative pressure?

It keeps the dust moving out of the system. Without it, debris loosened during cleaning can be pushed further down the ducts and into the rooms.

How do we know the ducts were actually cleaned?

We photograph the inside of the system before and after from the same positions, so the result can be checked without opening the ducts.

Do all the ducts in a building need cleaning at the same time?

Not always. The work can be planned by zone or by system, starting with the areas where the build-up is worst.

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Get in touch

Have a similar property?

Share a few details about the property and we’ll contact you to discuss your request. It does not confirm an appointment.

Call or text
(512) 354-2780
Email
info@austinductcleaning.us
Hours
Open 24 hours, 7 days a week
We’ll contact you to discuss your request.