Cooling fit for a mosque
Mosque HVAC in North Corniche
Mosque cooling on the North Corniche faces intense heat reflected from the glass seafront and year-round coastal humidity. Alrabih designs the system to distribute cold air evenly across the prayer hall and mihrab, whilst keeping noise levels low enough for 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
Mosques on the North Corniche sit on open seafronts, exposing them to high solar heat and marine reflections, and need tall ceilings and distinctive domed architecture to hold large congregations at prayer times. The custom central system distributes cooling evenly across the mihrab and back rows, accounting for the high coastal humidity that affects copper runs and ducting.
The North Corniche is a modern district of tall buildings and open seafronts, where mosques feature contemporary architecture and expansive prayer halls.
Most North Corniche mosques require central ducted systems with extended air runs to cover the large halls and high domes.
The AC setup in North Corniche
- 1
Central system with chillers and extended ducting
Modern North Corniche mosques need horizontal or vertical chillers with ducting networks extending to the main hall and mihrab in equal measure.
- 2
Dehumidifier units for marine humidity
The high coastal humidity calls for separate dehumidifier units to control relative humidity, especially during winter and early mornings.
- 3
Sound-dampening for ducts and units
Prayer halls demand silence, so we line ducts and units with sound-dampening materials to minimise cooling noise.
Before the visit
Before our visit in North Corniche
- 1
Confirm the mihrab location and main prayer hall
We need a precise layout of the mihrab, main entrances and secondary areas before designing the duct network.
- 2
Assess available space for units and ductwork
Check roofs, ceiling spaces and interior walls to identify where central units, chillers and ducts can be mounted safely.
- 3
Coordinate installation timing with the mosque leadership
Agree with them on an off-peak period to begin installation and testing, away from the five daily prayers and Qur'anic lessons.
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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.
High prayer halls with domes need special cooling design, how do you approach them?
We assess the hall and dome height, select central units with adequate capacity, and direct ducts to distribute air downward evenly, eliminating warm spots.
The seafront has reflected heat from the sea and glass; does this increase the cooling load?
Yes, glass facades and marine reflections double the heat gain, which we factor into the central unit capacity and chiller sizing.
Coastal humidity is high; does it affect the copper runs and drainage?
High humidity speeds corrosion and mould in drain pans and pipes, so we use protected runs, ensure proper drainage and adequate ventilation.
How do you distribute cold air evenly to the mihrab and distant rows?
We design multi-branch ducts distributing cooling from centre to edges evenly, with zone dampers controlling airflow in each area as needed.
