Commercial duct cleaning
Central AC duct cleaning in Al Nur
In Al Nur, northern Jeddah, duct cleaning is essential for hospitals, hotels and large residential complexes that rely on extensive air distribution networks. Alrabih's team strips the ducts section by section and cleans the coils and plenums without shutting the whole system down.
- Live cleaning
- Coils and trunks
- Resealed access
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
When does a central system need duct cleaning?
- 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
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
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 WhatsAppPreparing 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.
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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
How we work
How we work
- 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
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
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
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?
| Alrabih | The usual way | |
|---|---|---|
| Main trunks | Access doors and industrial vacuum | Cleaned from grilles only |
| AHU coil | Direct clean with documentation | Left or wiped on the surface |
| Building continuity | Section by section, no full shutdown | All areas shut at once |
| Access doors | Sealed and tested after fitting | Sealed with adhesive tape |
| Condition record | Camera photos before and after | No visual record |
Everything your AC needs, from one team
From system design and duct fabrication to installation, commissioning and maintenance.

Split AC installation
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Duct installation
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Central AC installation
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Duct fabrication
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Cold room installation
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Electro-mechanical works
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Chiller & AHU installation
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HVAC design
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AC repair & faults
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AC cleaning
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Refrigerant charging
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Central AC maintenance
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Chiller maintenance
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AC removal & refitting
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Duct cleaning & sanitising
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AC servicing by brand
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Operation & maintenance contracts
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AHU maintenance
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Fridge & freezer service
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Cold rooms
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Display fridges & chillers
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Factory HVAC
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Warehouse HVAC
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Villa & home HVAC
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Hotel HVAC
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School HVAC
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Hospital HVAC
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Mosque HVAC
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Mall & retail HVAC
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Restaurant & cafe HVAC
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Some of our work
Ductwork, rooftop units and diffusers, from work we've completed in Jeddah.
Customer reviews
What our customers say
- 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”
Your satisfaction matters to us! If you had a great experience with us, we'd love a 5-star rating and a kind review.
Worked with us? Leave a reviewService 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.

What sets this district apart
Al Nur holds relatively modern buildings including hotels, hospitals and large residential complexes, all fitted with complex central AC systems that need regular precise maintenance. The long branching ducts in these big buildings gather dust quickly, especially in coastal areas, causing airflow drop and poor performance. Duct cleaning here means restoring distribution efficiency for dozens of rooms and sections at once.
Al Nur sits in modern northern Jeddah, a district of large-scale commercial and residential buildings with central AC systems.
Most buildings here have a unified central AC system covering multiple floors, with one or more outdoor condensing units.
The AC setup in Al Nur
- 1
Multi-storey unified central AC system
Most hotels and hospitals in Al Nur use a single air handling unit serving several floors through main trunks and branches.
- 2
Evaporator and condenser coils in central plant room
The air handling unit and coils are usually housed in a separate plant room on the ground or basement floor.
- 3
Extensive horizontal and vertical duct branches
Ducts run horizontally across suspended ceilings and vertically through cavity walls, distributing air to dozens of rooms and departments.
Before the visit
Before our visit in Al Nur
- 1
Ensure team access to the central plant room
Locate the plant room and main electrical switches, and ensure the team can reach them easily before the visit.
- 2
Coordinate with building management on timing
At hotels and hospitals, ask management to choose a visit time that does not clash with peak hours or emergencies.
- 3
Check accessibility of vents and plenum spaces
Confirm that the vents and plenum spaces containing the ductwork are safely accessible, and suspended ceilings are strong enough.
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.
Does duct cleaning shut down the hospital or hotel operations?
No, we clean the ducts section by section while the system runs, so the other wings and departments continue operating normally throughout the visit.
For a large central system, how much ductwork needs cleaning?
It varies by building size and storeys, but our team assesses the network length and branches on the first visit and sets out a phased cleaning plan.
Does coastal humidity affect the ductwork in central systems?
Yes, the high humidity near the coast speeds up moisture and mould buildup inside the ducts, particularly in pipes near the evaporator units.
Does duct cleaning in a central system need an electrician?
We disconnect power from the air handling unit before entering the ducts for safety, then reconnect and test after cleaning is complete.












































































