Cooling fit for a mosque
Mosque HVAC in Obaid
In Obaid, south Jeddah, mosque cooling demands a system that evenly cools large halls and high domes with precision, absorbing sudden occupancy surges at each call to prayer without the noise that breaks concentration.
- 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
Most Obaid mosques are relatively modern with medium-capacity halls and high domes, situated in a spacious residential area with lower density. Central ducted cooling suits this layout, as it distributes cold air evenly beneath the dome and across the rows without pockets of cold draught. The high coastal humidity and intense summer heat mean the system needs sufficient cooling capacity and regular maintenance to keep worshippers comfortable.
Obaid sits in south Jeddah, a modern residential area with mosques featuring spacious halls and tall domes.
Most mosques here run central ducted systems, with outdoor units typically mounted on roofs or near the rear entrance.
The AC setup in Obaid
- 1
Central ducted system with distributed runs
Modern mosque halls are wrapped with cold-air ducts above ceilings or within walls, with outlets distributed under the dome and across the prayer rows.
- 2
Outdoor units on roofs or rear areas
Outdoor units are typically roof-mounted or placed near the rear entrance for easy maintenance and to keep the front forecourt clear.
- 3
Programmable thermostats
Mosques need precise control to ramp cooling down before closing and up before prayer times, which modern programmable thermostats deliver automatically.
Before the visit
Before our visit in Obaid
- 1
Provide a layout with hall and dome dimensions
Send us the main hall dimensions, dome height and locations of exits and entrances before the site visit so we can spec the right capacity.
- 2
Confirm roof and outdoor space access
Verify access to the roof or rear area for the outdoor unit, and tell us about any obstructions or structural limits beforehand.
- 3
Coordinate timing with the imam and staff
Schedule the visit well away from prayer and lesson times, and brief the imam and staff on the duration and any noise involved.
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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 handle the high dome and large hall in your cooling design?
We survey the dome height and hall dimensions, then select cooling capacity and ductwork that distributes air evenly across all rows, while keeping air velocity low to minimise noise during prayer.
We have two entrances and one prayer hall, how do you run the ducts?
We map the site, roof paths and wall runs to route ducts from the outdoor unit to diffusers inside the hall, keeping the runs hidden from sight.
The intense summer heat and coastal humidity, will the system handle it?
We specify units with high cooling capacity and efficiency, and include regular maintenance of the coil, filter and full system to sustain peak performance year-round.
How often does the system need servicing in this area?
High humidity and heavy use call for checks every month or two, with regular filter and coil cleaning to prevent dust and mould buildup.
