Cooling fit for a mosque
Mosque HVAC in Al Rawabi
Mosque HVAC in Al Rawabi must be reliable and quiet in a peaceful residential neighbourhood spread across a wide area. We design systems for even distribution across prayer halls with varied high ceilings, whilst maintaining energy efficiency.
- 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 Rawabi is a newer southern residential district with open spaces and wide streets, where mosques typically have spacious courtyards and varied architectural designs. Prayer hall ceilings are high and may include domes or ventilation openings, and the quiet neighbourhood setting means cooling noise can be more noticeable than in denser areas. The horizontal spread makes access for the team and equipment easier, but duct runs may be longer, requiring careful design to balance air flow and reduce channel noise.
Al Rawabi lies in southern Jeddah, a modern, spacious residential district with mosques that have high ceilings and generous courtyards.
Most Al Rawabi mosques are fitted with central ducted systems and natural ventilation from the courtyard, with outdoor units placed away from the worshippers.
The AC setup in Al Rawabi
- 1
Central system with long ducts and precise balancing
The wide distances between the prayer hall and the outdoor unit require long ducts carefully balanced to distribute air evenly and reduce noise.
- 2
Outdoor unit in a remote courtyard location
The spacious courtyard allows the outdoor unit to be placed far from worshippers, with air delivered through sound-insulated ducts.
- 3
Natural ventilation from the courtyard as backup
Natural ventilation openings from the courtyard supplement the cooling system and reduce load during milder times.
Before the visit
Before our visit in Al Rawabi
- 1
Measure distances from courtyard to prayer hall
Before the visit, measure approximately the duct length from the proposed outdoor unit location to the furthest point in the prayer hall to assess required diameters and dampers.
- 2
Identify outdoor unit location away from neighbours
Choose a courtyard location as far as possible from neighbouring homes to minimise noise, and inform the mosque's management of the plan.
- 3
Check electrical supply and drainage routes
Locate the electrical panel and identify drainage pipe routes near the proposed outdoor unit location before the visit.
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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.
The mosque has a spacious courtyard, how does that affect the cooling design?
The spacious courtyard lets us place the outdoor unit far from the worshippers and provides natural ventilation that helps the system, but we size the ducts to compensate for heat loss from the open courtyard.
Cooling noise bothers people in this quiet neighbourhood, how do you reduce it?
We select high-efficiency, low-noise pumps and compressors, size the ducts carefully to keep air speed and sound low, and use sound insulation where needed.
Summer heat is harsh and the courtyard sits in the sun all day, does that strain the cooling?
Yes, the open courtyard increases heat load, so we size the cooling capacity above the minimum and advise regular maintenance before summer arrives.
Ducts may run long distances across the wide neighbourhood, does that affect air flow?
Yes, long ducts need careful design to balance flow and noise, and we size pipe diameters and vents precisely to ensure even distribution across every row.
