The unit above the ceiling

Concealed central AC in Al Rawabi

In Al Rawabi, south Jeddah's spacious villas and modern apartment blocks mostly have concealed central AC hidden in the ceilings. Cleaning these sensitive systems calls for careful access to the coils and drains without disrupting the ceiling or airflow.

  • Stain-free ceiling
  • Clean drain
  • Balanced airflow

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 concealed unit need attention?

  1. 1

    A damp stain on the plasterboard

    Yellowing or a swollen plasterboard panel below the unit means the drain pan is overflowing. The cause is usually a blocked drain line or a dry trap that has lost its air seal, and leaving it widens the stain and damages the board.

  2. 2

    Weak air from certain grilles

    When grilles in one room weaken while others stay cool, the evaporator or blower inside the concealed unit needs cleaning. Jeddah's heavy dust settles on the fins and blower wheel and gradually cuts the airflow.

  3. 3

    Humming or vibration from above

    A recurring sound from the ceiling void may come from the blower wheel if it is dirty or unbalanced, or from the unit if its mounts have loosened. Finding the source means reaching the unit through the access panel and inspecting inside.

Who it's for

  • Installing a concealed unit in your new home

    We check the ceiling void depth, mark the unit position, access panel location and drain route before the plasterboard is closed, so nothing needs reopening later.

    Ask on WhatsApp
  • A ceiling stain has appeared in your office or shop

    We reach the concealed unit through the access panel, find whether the overflow is from the drain pan or the drain line and fix it without breaking the fitted-out ceiling.

    Ask on WhatsApp

What the service covers

  • Access panel check
  • Evaporator coil and drain pan
  • Drain fall and trap test
  • Blower check and airflow balance
  • Electrical readings and overflow tray
Request a quote

How we work

How we work

  1. 1

    Locate and access

    We check that the access panel is in the right place and large enough for the technician to reach the full unit without damaging the ceiling; if there is no panel, we mark where one should go.

  2. 2

    Internal inspection

    Through the access panel the technician inspects the evaporator, blower, drain pan and drain line and records the condition of each, so we know exactly where the fault is before starting work.

  3. 3

    Clean and reset the drain

    We clean the evaporator with a suitable cleaner, clean the blower wheel and drain pan, then flush the drain, check the trap and confirm the line falls the right way all the way to the discharge point.

  4. 4

    Run and confirm

    We run the unit, measure airflow at each grille and watch the drain pan to confirm no water is collecting, then show you what we found and what we did.

Proper service or wait for damage?

AlrabihThe usual way
Drain panCleaned and fall confirmedOverflows, ceiling stains
Drain trapChecked and refilled if dryDries, air enters line
Evaporator coilCleaned, cooling maintainedDust cuts cooling
Access panelLocated and easy to reachMissing or in the wrong place
Blower wheelCleaned, balance restoredDirt causes vibration

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.

Worked with us? Leave a review

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 Rawabi is an upscale residential district of spacious villas and modern apartment blocks built to high standards, with architectural designs featuring complex plasterboard ceilings that completely hide central AC systems. This design offers a clean interior look and balanced cooling, but coils and drains sit deep inside, and dust buildup or blockages quickly cut efficiency and cause weak airflow or ceiling dampness.

Al Rawabi is in south Jeddah, a district of spacious villas and modern apartment blocks built to high construction standards.

Most villas and apartment blocks in Al Rawabi have central AC systems embedded in plasterboard ceilings, with separate units per floor or zone.

The AC setup in Al Rawabi

  1. 1

    Multi-zone concealed central system beneath ceiling

    Large villas and apartment blocks often have separate units per floor or wing, with shared air distribution through ceiling ducts.

  2. 2

    Central air-handling boxes in ceilings

    Air-handling boxes and coils sit atop the plasterboard ceilings and need regular inspection through purpose-built access panels.

  3. 3

    Advanced drainage system piped to external outlet

    Condensate gathers in central boxes then drains through lines piped directly outside the building, reducing internal blockages.

Before the visit

Before our visit in Al Rawabi

  1. 1

    Locate all access panels

    Tell us how many ceiling access panels you have and where they are, especially if your villa or flat spans multiple levels.

  2. 2

    Check that no grilles or ducts are blocked

    Check all ceiling grilles are clear and tell us if any curtains or hanging fixtures are near them.

  3. 3

    Prepare details about outdoor unit location

    In large villas, the outdoor unit may be distant from the indoor ceiling, so tell us where it sits and how we can access it from outside.

FAQ

Questions about Concealed central AC

How does the technician reach the unit without breaking the ceiling?

Through the dedicated access panel in the plasterboard. If the panel is there and directly in front of the unit, the technician goes straight in. If it is missing or in the wrong place, we mark the right position and cut it cleanly without touching the rest of the ceiling.

What causes the drain pan to overflow onto the plasterboard?

The two most common causes in Jeddah are a drain line blocked by algae that grow in the high humidity, and a dry trap that lets air in and stops the water moving. Both can be fixed without replacing the unit, provided there is no mechanical damage.

Does Jeddah's humidity affect concealed units more than other types?

Yes, a concealed unit sits in a closed void with little ventilation, so more condensate collects on the drain pan than in an exposed unit. That makes the drain line and trap more likely to block or dry out, and keeping them clear matters more here than for any other unit type.

Can a concealed unit go into a ceiling that does not have enough depth?

The depth needed varies with the unit type and dimensions, and only a site survey decides. If depth is borderline, we check whether the plasterboard ceiling can be dropped slightly in the unit zone. If that is not possible, we suggest a better fit for the room size and ceiling height.

Does the plasterboard ceiling need a minimum void depth to fit both the concealed unit and the drain line?

Yes, the unit body needs a certain height, and on top of that the drain line must slope continuously from the unit to the discharge point. The actual void depth required depends on the unit type, the drain run length and where the discharge is; only a site survey gives the exact answer.

My villa in Al Rawabi is fairly new, does concealed AC need regular upkeep?

Yes, even new systems collect dust and moisture, and we recommend cleaning the coils and drain once or twice yearly to keep efficiency and drainage working well.

Airflow from the AC grilles is weak in one room, is that normal?

Weak airflow can signal a partial blockage in a distribution duct or low pressure from the main unit, and our inspection pinpoints the cause.

Does Al Rawabi's humidity affect the AC's internal drain?

Yes, humid air increases condensate volume noticeably, and drain blockages are common in damp areas, so we clean the pan and line regularly.

Can you reach the coils and drains without completely dismantling the ceiling?

Built-in service panels allow safe access to the coils and drain, and our team is trained to open and seal these panels without damaging the plasterboard or electrical fixtures.

The Jeddah corniche in cool weather

Protect your ceiling from moisture

WhatsApp a photo of the ceiling stain or the unit location, and we will book an inspection in your district, Saturday to Thursday, eight in the morning to eight in the evening.

CallWhatsApp