Commercial duct cleaning

Central AC duct cleaning in Al Thaghr

Central AC duct cleaning in Al Thaghr maintains system performance in hotels, hospitals and densely built residential buildings. Alrabih's team disassembles trunks and plenums by flow priority, restoring efficiency whilst keeping safe operation going.

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  • Live cleaning
  • Coils and trunks
  • Resealed access

Clients We're Proud to Serve

Organisations and companies that trusted Alrabih with their projects.

  • Saudi Aramco
  • Ministry of Energy
  • Royal Saudi Land Forces
  • Royal Saudi Naval Forces
  • Al Baik
  • Centro Hotels by Rotana
  • King Abdullah Economic City
  • First Mills
  • Juffali
  • eXtra
  • Dr. Soliman Fakeeh Medical Center
  • Alesayi Motors
  • Abu Zaid
  • Water Desalination
  • Attieh Steel
  • SSCO
  • Creet
  • Emad Rizq
  • Alfaneyah
  • Rawat Alam Al Tasmeem
  • IBI Magix Arabia — Construction Services
  • Midtown for Construction
  • Petra Engineering Industries Co.
  • Hyrmas
  • Batterjee Medical College
  • Advanced Horizons Contracting Company
  • D.Metals
  • Benchbox — Masters of Space
  • Sadafco
  • Umm Al-Qura University
  • Saudi Arabian Drug Store (SADS)
  • Foamco
  • Ahmad A. R. Bin Afif Industries Co. (Sandwich Panel Factory)
  • Namariq
  • ALS

When does a central system need duct cleaning?

  1. 1

    Repeated complaints from occupants

    Staff complaining of stale air, dust settling on surfaces quickly or uneven temperatures between rooms. These often point to buildup inside the ductwork rather than a refrigerant fault, and cleaning is the right first step before any other adjustment.

  2. 2

    AHU running harder than it should

    A dust-coated AHU coil blocks heat transfer, so the motor runs longer without reaching the set temperature. Cleaning the coil and plenum recovers the efficiency the unit has lost gradually as deposits built up.

  3. 3

    A building with no duct cleaning history

    Many offices, schools and government buildings in Jeddah run their central system for years without opening the ductwork. Dust and salt from Jeddah's coastal air build up in the metal trunks until the galvanised layer is affected and corrosion begins.

Who it's for

  • Office staff complaining of stale air and dust

    We survey the duct network and plenum, then set a section schedule that lets your staff keep working throughout the cleaning.

    Ask on WhatsApp

  • Preparing your school or clinic before opening

    We cut access doors in the main trunks and clean the coil and plenum before occupants arrive, then fit and seal metal access doors airtight.

    Ask on WhatsApp

What the cleaning covers

  • Camera inspection before work
  • Main trunk section by section
  • AHU coil and plenum
  • Access doors cut and resealed
  • Pressure and airflow check
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How we work

How we work

  1. 1

    Survey and plan

    A technician visits, maps the duct network, marks where access doors will go and agrees the section order with you so the occupied parts of the building stay clear of the work area.

  2. 2

    Open and isolate the section

    We cut access doors in the main trunks at the agreed points, isolate the section with temporary dampers and photograph the interior with a camera to record its condition before cleaning starts.

  3. 3

    Agitate and vacuum

    Powered brushes break loose the deposits and lift compacted dust while an industrial vacuum unit works in the opposite direction, collecting everything displaced without letting it spread through the occupied space.

  4. 4

    Seal, run and test

    Access doors are fitted and sealed airtight, then we run the system and measure flow at the grilles to confirm balance is restored across the sections we cleaned.

Methodical cleaning or surface cleaning?

AlrabihThe usual way
Main trunksAccess doors and industrial vacuumCleaned from grilles only
AHU coilDirect clean with documentationLeft or wiped on the surface
Building continuitySection by section, no full shutdownAll areas shut at once
Access doorsSealed and tested after fittingSealed with adhesive tape
Condition recordCamera photos before and afterNo visual record

Everything your AC needs, from one team

From system design and duct fabrication to installation, commissioning and maintenance.

Some of our work

Ductwork, rooftop units and diffusers, from work we've completed in Jeddah.

  • Galvanized rectangular duct trunk with branch takeoffs and round diffusers, hung from a black ceiling, a Carrier unit visible behind — interior finishing stage.
  • Round diffusers and a spiral duct trunk in a tiled stairwell service shaft.
  • Rooftop ductwork and an exhaust fan, with Jeddah buildings in the background.
  • Rooftop packaged AC units with rectangular duct transitions, city buildings behind.
  • Insulated rooftop duct run beside a packaged unit, a warehouse roof in the background.
  • A grid of round diffusers in an open-plan office ceiling, mid-construction.
  • An insulated rooftop duct elbow, against a mountainous backdrop.
  • Large insulated ductwork running along a factory ceiling, with workers visible below.
  • A yellow round diffuser mid-installation, with spiral duct and a suspended ceiling grid.
  • Duct insulation wrap in progress on a construction site, bare duct still exposed.
  • A black-painted duct trunk with round diffusers and track lighting, in a finished retail interior.
  • An indoor AHU unit connected to round ductwork in a mechanical plant room, exposed concrete ceiling.
Similar project? Send us the details

Customer reviews

What our customers say

4.8

From 10 Google reviews

  • Muhammadramzan 2641

    “MashaaAllah. Services are so good. Behaviour and kindness 100/100. Prices are less then Market. Fully recommended”

  • shahzeb armani

    “Wow. Prices are so comfortable. Outstanding services. People are so talented and nice”

  • Tawfik AlyawerLocal Guide

    “U can find all u need for air conditioning”

Read every review on Google

Your satisfaction matters to us! If you had a great experience with us, we'd love a 5-star rating and a kind review.

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Service areas

We come to you anywhere in Jeddah

From Al Shiraa and Al Yaqout in the north to Al Thaghr and Al Quraiyat in the south, with our base in Al Aziziyah.

Map of Jeddah by sector, with Alrabih's base in Al Aziziyah
Don't see your district?Message us. We most likely cover it.

What sets this district apart

Al Thaghr is a relatively older south-coastal district home to large tourist hotels, hospitals and clinics, and mid-rise residential buildings with shops and workshops below. Coastal humidity and sea salt cause dust, mould and salt deposits to build up on coils and ducts much faster than inland areas. Duct cleaning here demands strict contamination isolation protocols for hotels and hospitals, and careful coordination to avoid halting critical services.

Al Thaghr lies in south Jeddah on the coast, a district of hotels, healthcare services and dense residential buildings directly exposed to sea humidity.

Hotels and hospitals here run advanced, sensitive AHU systems, whilst older residential buildings often use simpler central AC systems.

The AC setup in Al Thaghr

  1. 1

    Advanced AHU systems in hotels and hospitals

    These facilities run precision AHU units with monitoring, featuring cooling coils, dehumidifiers and sometimes advanced sterilisation.

  2. 2

    Mid-level central systems in older residential buildings

    Older residential buildings here typically have one or two relatively simple AHU units with ducts spanning multiple floors.

  3. 3

    Direct exposure to coastal salt and humidity

    All systems here face high coastal salt and humidity, accelerating dust, mould and mineral deposits on coils and ducts.

Before the visit

Before our visit in Al Thaghr

  1. 1

    Coordinate with management and maintenance teams

    Notify them of the visit date, expected duration and areas to be cleaned, ensuring access to mechanical rooms and roofs is available.

  2. 2

    Define priorities and safe working hours

    For hotels and hospitals, know peak hours and critical services, and identify any zones that cannot have AC paused.

  3. 3

    Inspect ductwork and coils for corrosion signs

    Salt and humidity may cause corrosion in metal ducts and coils, so inspect beforehand and brief the team on any suspect areas.

More districts for Central AC duct cleaning

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FAQ

Questions about Central AC duct cleaning

Can duct cleaning be done without shutting the whole system down?

Yes, section-by-section working is standard on large buildings. We isolate the section being cleaned with temporary dampers and work on it while the rest of the building continues running normally. The surveyor sets the section schedule after seeing the network layout.

How do you control airflow through dampers during section-by-section cleaning?

Before isolating any section, the technician checks and closes the associated dampers so that suction is directed into the section being cleaned and dust cannot travel into adjacent zones. Once a section is finished, the dampers are returned to their original positions and air distribution is checked before the team moves to the next section.

How do you handle access doors in suspended ceilings?

We agree the door positions with building management during the survey so they do not affect the visible finish. We cut the duct and fit metal doors screwed and sealed airtight. If ceiling tiles need to be cut, we coordinate that with whoever is responsible for the fit-out.

Do you clean the AHU coil and its filters in the same visit?

Yes, AHU coil and plenum cleaning is a core part of the central duct work, not a separate job. Filters are inspected in the same visit, and if they are badly damaged they are replaced as part of the work. The technician decides the actual condition after a direct inspection of the unit.

How do you reach ductwork above areas with no ceiling access?

During the survey the technician maps the main duct positions relative to available void spaces and selects the nearest reachable points for cutting access doors. If certain sections are fully blocked, the technician decides after direct inspection whether an alternative route exists or whether coordination with the fit-out team is needed.

How do you clean hotel ducts without halting the service?

We clean sections in stages by flow priority, so the system operates at partial capacity during work, and we agree with the hotel on safe working hours.

Does sea salt affect the ducts and coils?

Yes, humidity and sea salt accelerate oxidation and corrosion, and deposit on coils, rapidly cutting airflow and cooling capacity.

Do hospitals and clinics need special cleaning standards?

Yes, we use isolated equipment and procedures to prevent contamination spread in medical wards, and coordinate with medical management on safe scheduling.

How often should ducts be cleaned in a coastal setting?

It depends on system use and pollutants, but coastal locations typically need more frequent cleaning than inland areas due to salt and humidity.

The Jeddah corniche in cool weather

Start with a network survey

Send us the building plan or photos of the AHU room on WhatsApp and we will arrange a survey visit, Saturday to Thursday, to map the work sections and agree a schedule.

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