Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
When a school needs a specialist
- 1
Hot classrooms affecting learning
When teachers report heat that breaks concentration and tires students by midday, the problem is usually in air distribution, not unit capacity. A site survey finds where it goes wrong and what is needed.
- 2
Unit noise interrupting the lesson
A unit in the wrong spot, a clogged filter or an unbalanced fan creates noise that distracts the class. We find the source on site and fix it, and at installation we choose units and routes suited to a classroom environment.
- 3
Upgrading the system over summer
The long summer break is the only window for installation or replacement work that needs extended hours inside classrooms. We plan with school management to finish before the first school day so the timetable is not affected.
Who it's for
Running a school that needs maintenance
We set up a preventive and corrective maintenance contract covering classrooms, the prayer room and corridors, carrying out major work in the summer break so the school year starts with a sound system.
Ask on WhatsAppBuilding a new school that needs AC design
We review drawings with the contractor and design air distribution and ductwork before ceilings close, so every classroom has even airflow and low noise from the first day of use.
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What our school work covers
- Survey of all rooms
- Air distribution and unit placement
- Units beyond students' reach
- Ductwork to SMACNA standards
- Preventive and corrective maintenance contracts
How we work
How we work
- 1
School building survey
We visit the school, measure classrooms, corridors and the prayer room, and record heat sources and loads in each space before making any recommendation.
- 2
System design and planning
We draw a layout showing unit positions, duct routes and ventilation openings, and agree an installation schedule with school management so work does not clash with classes.
- 3
Installation during the break
We carry out installation during the holiday or at times that do not disrupt school, mounting units in high or protected positions away from students.
- 4
Commissioning and handover
We run the full system and check air distribution in every classroom, measuring the air at desk level, then hand over to the school with a record of what was done.
Planned installation or scattered units?
| Alrabih | The usual way | |
|---|---|---|
| Air distribution | Designed for the classroom | Uneven, corners stay hot |
| Noise level | Siting and route reduce noise | Unit drowning out the teacher |
| Unit position | Out of students' reach | At hand height |
| Summer service | Planned before term starts | Faults appear in the first week |
| Fresh air supply | Designed into the layout | An open window or nothing |
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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Request this serviceDuct cleaning & sanitising
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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 Ala schools are spread across an orderly urban plan with reasonable spacing and share modern building features with standard ceilings. Central ducted systems are common but need regular maintenance because of heavy summer load. The main issue is unbalanced cool-air distribution between wings far from and close to the outdoor unit, requiring true design rather than basic installation.
Al Ala sits in north-east Jeddah, an orderly residential district with several modern government and private schools.
Most Al Ala schools have one outdoor unit and long duct runs, making balanced cooling a challenge that requires careful design.
The AC setup in Al Ala
- 1
Long insulated ducts from a single central unit
The duct system runs across the entire school from one outdoor unit, requiring strong insulation and careful design to balance cooling.
- 2
Controllable dampers on duct branches
Dampers installed on each duct branch allow balancing of cool-air flow between different classrooms and wings.
- 3
Hidden indoor units in separate plant rooms
Indoor units are placed in separate plant rooms to reduce noise and vibration inside classrooms.
Before the visit
Before our visit in Al Ala
- 1
Bring a comprehensive sketch of proposed duct routes
Send us a sketch showing duct lengths and distances from the outdoor unit to each classroom so we can balance the system accurately.
- 2
Identify classrooms with high heat load
Tell us which classrooms get direct sun or have large class sizes so we can design stronger cool-air distribution there.
- 3
Verify electrical power and drainage along the duct route
Check that electrical supply is strong enough for all units and that drainage lines are available along the entire duct route.
More districts for School HVAC
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FAQ
Questions about School HVAC
How do you keep noise low inside the classroom?
Noise usually comes from high air velocity or an indoor unit mounted on a shared wall between two classrooms. We select units with low sound ratings, calculate air velocity at each outlet to prevent whistling, and insulate duct runs above the suspended ceiling. The exact unit position and diffuser angle are decided during a site survey of each room.
How do you handle the prayer room and corridors alongside classrooms?
The prayer room needs wide, quiet air distribution at low level above worshippers, which is quite different from a classroom. Corridors need enough cooling to prevent hot air from flowing into classrooms when doors open. We design each zone on its own air circuit with a separate thermostat; the final layout depends on floor area and ceiling height on site.
Can ductwork be added to an existing school building?
In most cases, yes. We check the gap between the ceiling and the slab, and how accessible the ceiling void is, before making any decision. We fabricate round or rectangular ducts in our own workshop to match the building's exact dimensions, and we route them to avoid structural columns and penetrations. Where ceiling space is too tight, cassette or concealed units may be the better fit.
Why are indoor units positioned out of students' reach?
A low-mounted unit in a room full of students is easily damaged: fins get bent, the drain port gets blocked, and the fan grille gets broken. We mount units at heights and positions that keep them clear of students, while still delivering cooled air down to the seated zone. The precise position is set after the team measures ceiling height and seating layout in each room.
Can the work be done during the school year?
Large tasks such as running new ductwork or replacing multiple units are scheduled during the long summer break to avoid any disruption to lessons. Routine maintenance and isolated repairs can be arranged outside school hours or at weekends in coordination with school management. Work inside classrooms during the school day requires a site assessment first to confirm it can be done without causing disruption.
Distant classrooms receive less cool air than nearby ones, what is the solution?
We use intelligent dampers and air regulators in ducts to balance flow, and may suggest additional indoor units depending on corridor length.
How do you manage noise from the outdoor unit when it is far from classrooms?
We mount the outdoor unit on vibration-damping pads, and install sound barriers around it if necessary.
Do long and complex ducts need more maintenance than simple ones?
Yes, long ducts accumulate more dust, so we recommend full cleaning at least twice yearly, especially before summer.
If the outdoor unit is on a distant roof, will it increase electricity consumption?
Distant outdoor units may slightly increase electrical load, but good duct insulation and proper design offset this difference.
