Cooling fit for a mosque
Mosque HVAC in Al Harazat
Mosque HVAC in Al Harazat, east Jeddah, serves prayer halls of varying sizes in a historically developed district. Alrabih designs balanced cooling systems that deliver quiet operation and precise engineered air distribution for each location.
- 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.
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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 Harazat is a relatively older district compared to the newer eastern zones, with mosques of varying sizes, some established years ago. The climate in east Jeddah is drier than the coast, but high summer temperatures remain the main challenge. Buildings and mosques here may have diverse ceiling heights and designs, requiring careful study of each site. Proper engineering design and wise unit selection are essential to ensure worshipper comfort and prevent noise disturbance during prayer.
Al Harazat lies in east Jeddah, a relatively older district with mosques of diverse sizes and designs on less densely built land.
Mosques here are varied: some use simple split units and others use central systems, depending on mosque size and available budget.
The AC setup in Al Harazat
- 1
Multiple split units for small and medium mosques
Small and medium mosques in Al Harazat typically use multiple distributed split units, which are simpler to maintain and do not require major construction work.
- 2
Simple central system for larger mosques
Larger mosques may use a simple central system that does not complicate maintenance, with well-planned ductwork distribution.
- 3
Hybrid split and central approach where suitable
Some mosques benefit from combining split units in side areas with a central unit for the main prayer hall.
Before the visit
Before our visit in Al Harazat
- 1
Gather information on building structure and basic design
Before the visit, tell us about the mosque's age and the materials used in walls and ceilings, so we understand potential challenges.
- 2
Identify available spaces for outdoor units or ducts
Show us where roofs or external walls are and internal spaces available, so we decide the most suitable cooling option.
- 3
Schedule the visit outside prayer times
Contact us to schedule a time that suits the mosque management and avoids main prayer times.
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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.
Older mosques in Al Harazat may not tolerate complex systems, what is the solution?
We assess each mosque individually. If the building is older, we may select multiple split units instead of a complex central system, which is simpler to install and maintain.
Different mosque designs need different calculations, how do you handle this?
We visit each site, measure dimensions, ceiling heights and interior materials, then calculate cooling needs precisely based on actual characteristics.
Some mosques have large windows allowing extra heat gain, how do you address this?
We account for solar exposure on windows and walls when calculating thermal load, and may recommend reflective glazing or thermal blinds to reduce heat gain.
Maintenance and repairs might be difficult in older mosques, how do you ensure support?
We select reliable units from well-known brands and provide regular maintenance and quick repairs. Our work is covered by warranty, and its duration and scope are written in the quote before we start.
