Cooling fit for a mosque
Mosque HVAC in Al Sharafiyah
Mosque HVAC in Al Sharafiyah must handle high ceilings, domes and sudden crowds at prayer times without disrupting worship. Alrabih designs cooling systems that distribute air evenly while keeping noise levels low.
- Even distribution
- Quiet units
- Scheduled servicing
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
When a mosque needs a specialist approach
- 1
Heat reaching the back rows
Cold air pools near the units and never reaches the back of the hall. In Jeddah's humidity, worshippers in the far rows feel the heat even with the system running. That is a design problem, not a unit fault.
- 2
Noise that disturbs prayer
Unit noise in a quiet hall distracts worshippers and breaks concentration. The right unit type, its position and the air velocity setting all reduce noise to the lowest possible level, and those choices are made at the survey.
- 3
A dome or high ceiling that traps heat
Hot air rises and collects under the dome, so the breathing level stays warm even with large units running. We set diffuser angles and air paths at the survey to push that hot layer out rather than cool over the top of it.
Who it's for
Building a new mosque that needs AC from the start
We join the design stage to fix duct routes and unit positions before ceilings are closed, so the installation is clean and efficient with no remedial work needed later.
Ask on WhatsAppYour existing mosque cools unevenly across the rows
We survey the existing system, find the cause of uneven distribution and propose changes to the airflow paths or units without disrupting the mosque.
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What the work covers
- Hall survey and airflow mapping
- Ductwork to SMACNA standard
- Units fitted at surveyed positions
- Airflow check across the rows
- Contracts scheduled between prayers
How we work
How we work
- 1
Mosque survey
We visit the mosque outside prayer times to measure the hall, ceiling height and dome, and agree diffuser positions, duct routes and unit locations before any work begins.
- 2
Design and fabrication
We design the system from the survey data and fabricate the ducts in our own workshop from G90 galvanised sheet, then prepare them for installation.
- 3
Installation at agreed times
We coordinate with mosque management to work between prayers or at times that do not interrupt activities, and we leave the hall clean at the end of each working day.
- 4
Testing and handover
We run the system and measure air distribution at the front and back rows and sound levels, adjusting the balance until comfort is even across the whole hall.
Designed for a mosque or units placed at random?
| Alrabih | The usual way | |
|---|---|---|
| Air distribution | Even across every row | Cold front, hot back |
| Sound | Assessed at survey | Not considered |
| Dome and high ceiling | Planned airflow paths | Hot layer left above |
| Maintenance | Scheduled between prayers | Visits that disrupt use |
| Startup scheduling | Programmed before each prayer | Manual, inconsistent start |
Everything your AC needs, from one team
From system design and duct fabrication to installation, commissioning and maintenance.
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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 Sharafiyah is a central district with mosques featuring high ceilings and domes that demand central cooling with sufficient capacity to cover the main prayer hall and side corridors uniformly. Coastal humidity and intense summer heat mean the cooling system runs continuously, and cold air distribution must reach the back rows and women's sections without creating strong draughts that disturb worshippers.
Al Sharafiyah is in central Jeddah and hosts modern mosques with tall architectural designs that demand advanced cooling systems.
Most Al Sharafiyah mosques use central cooling systems with ducting hidden beneath the high ceilings.
The AC setup in Al Sharafiyah
- 1
Central system with ducts hidden beneath high ceilings
Ducts distribute cold air from central units through concealed passages in the high ceilings and domes, with outlets distributed across prayer rows and side corridors.
- 2
Outdoor units on rooftops or in separated areas
Outdoor units are typically mounted on mosque rooftops or in separated areas away from main facades to avoid visual impact and noise affecting worshippers.
- 3
Smart controls to adjust cooling based on occupancy
Sensors measure temperature and humidity, adjusting cooling speed automatically based on prayer attendance throughout the day.
Before the visit
Before our visit in Al Sharafiyah
- 1
Provide the mosque's architectural and electrical drawings
Bring the mosque's original plans and current electrical layouts so we understand the structure and where piping and ducts can run.
- 2
Confirm approval from mosque management and religious authorities
Ensure mosque management and religious authorities approve the work schedule and any impact on prayer times during installation.
- 3
Confirm access to rooftops and outdoor areas
Ensure our team can safely reach the rooftops and outdoor unit locations, and that entrances allow heavy equipment to be brought in.
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FAQ
Questions about Mosque HVAC
How do you make sure the far rows get enough cooling?
At the survey we set diffuser angles, air velocity and duct routing so cold air travels to the last row. After installation we measure the temperature difference between the front and back rows and adjust each diffuser's balance until that difference is as small as the space allows.
Can you work in a functioning mosque without disrupting prayers?
Yes. We agree a phased schedule with mosque management in advance and divide the work into sessions between prayers. Before each call to prayer we lift tools, cover any temporary openings and return the hall to a usable state, then resume afterwards.
What type of ductwork do you use in prayer halls?
We fabricate ducts in our own workshop from G90 galvanised sheet, round or rectangular as the design requires. We use Armaflex and Kimmco insulation and Foster sealants to limit heat gain and keep sound transmission through the ductwork as low as possible.
Can the system be set to start just before each prayer time?
Yes. The controls on Carrier, YORK, General, Midea, Gree and Smart Gold units support scheduled start and stop times. At the survey we confirm the scheduling options for the chosen units and programme the timings at handover, so the hall is already cool when worshippers arrive.
Can we cool only part of the hall when fewer people attend?
Yes, if the system is designed in zones. We divide the hall into sections, each with its own unit or closable outlets, so you run the front rows alone when few people attend and the whole hall for Friday prayer and occasions, cutting power use without affecting worshippers.
How do you distribute cooling evenly across a large prayer hall and high spaces?
We study the mosque's layout, ceiling heights and domes, then design a duct network with distributed outlets to ensure cold air reaches every row and corner without cold pockets forming in one area.
Can central cooling units be installed without disrupting the mosque's original structure?
Yes, we coordinate with the original engineers and contractors to route pipes and ducts in ways that respect the original architecture, often concealing them in walls and false ceilings.
Does Jeddah's coastal humidity affect cooling efficiency in the mosque?
Yes, high humidity increases the cooling load, so we select units and compressors with extra capacity and schedule regular filter and evaporator cleaning to maintain efficiency.
What electrical capacity and wiring should we prepare for the mosque's cooling system?
It depends on the mosque's size, number of units and installed capacity, and we need to inspect the existing electrical runs during an initial visit to confirm they handle the additional load safely.
