Cooling fit for a mosque
Mosque HVAC in Al Shiraa
Mosque HVAC in Al Shiraa must balance variable congregations with high ceilings and domed architecture. Alrabih designs the cold-air distribution to reach every prayer row evenly from front to back, while keeping the system quiet enough not to disturb worship.
- 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 Shiraa is a modern residential district in north Jeddah, with contemporary mosque buildings featuring high ceilings and domes that draw growing congregations during peak times and holidays. A well-engineered central system distributes cold air fairly without airflow conflicts, and careful outlet and intake design is essential to avoid noise and preserve the quiet needed for prayer, sermons and lessons.
Al Shiraa sits in north Jeddah, a modern residential district with contemporary buildings and high ceilings.
Most modern mosques in Al Shiraa use central AC systems with concealed ductwork to distribute cold air beneath the high ceilings.
The AC setup in Al Shiraa
- 1
Central system with concealed ducts
The high ceilings and domes in Al Shiraa mosques allow the ductwork to be completely concealed, preserving the mosque's architectural beauty.
- 2
Multiple distributed air outlets
Air outlets are mounted at multiple points to cover all prayer rows evenly, avoiding direct draughts on the mihrab and pulpit.
- 3
Outdoor unit placed away from the prayer hall
The outdoor unit is mounted away from the mosque entrance and balconies to avoid noise and vibration during lessons and prayer.
Before the visit
Before our visit in Al Shiraa
- 1
Meet the mosque management and review the plans
Obtain the management's approval, building plan and ceiling layout before the visit to assess the size and right locations.
- 2
Confirm roof and outdoor-space access
Verify the roof is safe for standing and mounting, and there is space for the outdoor unit away from the entrance.
- 3
Schedule the visit around prayer times and lessons
Book a survey visit that does not clash with prayer times, lessons or other religious activities at the mosque.
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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 achieve even cooling beneath a high dome?
We study the ceiling height and dome shape, then calculate the number of air outlets and their velocity to ensure even cooling across all prayer rows without hot spots or strong draughts.
Al Shiraa's streets are wide, but how do you fit large ductwork equipment in?
We coordinate with the mosque management to establish the best entry point and allocate space for the main unit, ducts and insulation within the false ceiling or structural walls.
Jeddah's summer heat and humidity stress mosque cooling, what is the solution?
We select condensers and compressors with sufficient capacity for Jeddah's coastal climate, and assess peak hours on Fridays and holidays to ensure the system copes when large crowds arrive.
Do you manage electrical circuits and drainage during installation?
We verify the electrical circuits can handle the compressor and fan load, and install drainage lines at the correct gradient away from the building to prevent moisture buildup in walls or false ceilings.
