Commercial duct cleaning
Central AC duct cleaning in Al Andalus
In Al Andalus, west Jeddah, modern commercial buildings and hotels have large-scale central AC systems and extensive duct networks. Dust and moisture accumulate quickly because of heavy usage and the coastal location. Alrabih's team cleans trunks, coils and plenums with specialised tools, restoring flow and fresh air without halting operations.
- 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 Andalus's buildings are modern commercial and hotel properties with large-scale central AC systems operating at high intensity from morning to evening. Duct networks are very complex because they serve multiple floors, large retail spaces and heavily trafficked public zones. Coastal humidity and constant use speed up dirt and mould accumulation significantly, affecting system efficiency and the air circulating around staff and guests. Coordination with management and staff is highly sensitive, because pausing or reducing AC impacts comfort and business operations.
Al Andalus sits in west Jeddah near the coast, a district of modern commercial and hotel buildings with large-scale central AC systems.
Most buildings here are hotels and retail centres with central AC systems running at high intensity throughout the day, served by multiple large air-handling units.
The AC setup in Al Andalus
- 1
Large multi-unit duct networks
Multiple AC units distribute air across many floors and large retail spaces, making the network complex and requiring careful coordination.
- 2
Cooling coils exposed to salt and moisture
The coastal location means coils are exposed to sea salt and high humidity, speeding up corrosion and blockage.
- 3
Large public spaces with heavy foot traffic
The hotel and retail public spaces are heavily trafficked, increasing dust and airborne pollutants circulating through the ducts.
Before the visit
Before our visit in Al Andalus
- 1
Coordinate with management on the cleaning schedule
Hotel or retail management needs to know the timing, duration and operational impact, so they can notify staff and guests.
- 2
Confirm location of units and plant rooms
Tell us how many units there are, where each is located and where the main plant rooms are.
- 3
Inform staff about the planned work
Staff and guests should know that duct maintenance may temporarily affect temperature or air quality.
More districts for Central AC duct cleaning
Other services in Al Andalus
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.
Can you clean the ducts without stopping the hotel or shop operations?
Yes, we coordinate with hotel or retail management to clean runs progressively section by section, so the full or most of the system keeps running throughout.
Heavy use builds up dust faster, how often should we clean?
It depends on usage type and coastal exposure, but a large hotel or retail space may need cleaning annually or every 18 months to maintain air quality.
Does sea salt damage cooling coils in coastal buildings?
Yes, salt can accelerate corrosion and blockage in coils, so we clean coils thoroughly and check condensate drainage regularly.
How long does cleaning a large hotel's ducts take?
It depends on floor count and unit numbers, and may take several days to weeks, which we schedule with the hotel around their operations.












































































