Cooling fit for a mosque
Mosque HVAC in Al Wadiyah
Mosque HVAC in Al Wadiyah must balance large seasonal congregations with architectural space constraints in some older mosques. Alrabih designs efficient cold-air distribution covering all areas without excessive power consumption or noise that disturbs 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 Wadiyah is a relatively older residential district in north Jeddah, with a mix of old mosques with limited spaces and low ceilings, and a few wider modern ones. Congregations surge sharply in Ramadan and holidays, so the system must handle the high load without power failure. Central ductwork in old mosques may be constrained by tight spaces, so we sometimes use a hybrid approach combining a main split with auxiliary units.
Al Wadiyah sits in north Jeddah, a relatively older residential district with mosques of varying size and height.
Older Al Wadiyah mosques typically use main split or hybrid systems, because central ductwork is difficult to fit in tight spaces.
The AC setup in Al Wadiyah
- 1
Hybrid main split with auxiliary units
Old mosques with tight spaces benefit from a powerful main split covering the main hall, with additional splits in side wings.
- 2
Ceiling-cassette units in older mosques
Ceiling cassettes provide better horizontal distribution in tight spaces and take up less room than traditional ducts.
- 3
Flexible visible drainage pipes
Drainage pipes may be visible in older mosques. We choose smooth pipes in neutral colours to minimise visual impact.
Before the visit
Before our visit in Al Wadiyah
- 1
Inspect spaces, ceiling and existing cables
Inspect the hall, suspended ceiling if any, and existing wiring to avoid collisions and crossovers during installation.
- 2
Confirm safe outdoor unit location and clearance
Establish a safe location for the outdoor unit away from entrance and passages, with enough clearance for the condenser to ventilate unobstructed.
- 3
Coordinate visit timing with mosque and prayer hours
Book a survey time avoiding the five prayers and lessons, and designate a mosque representative to accompany your team throughout.
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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.
Our mosque is old with limited space, is a central system possible?
We assess available space and suspended ceiling. In tight cases, we propose a hybrid system: a powerful main split covering the main hall, with auxiliary split units in side sections.
Numbers double in Ramadan, can the system handle the load?
We size the compressor and condenser for expected Ramadan numbers with a safety margin, and audit electrical circuits to prevent outages at peak load.
The street is narrow and the mosque sits on a corner, how do you deliver equipment?
We coordinate with the mosque to identify the nearest safe parking, and carry heavy parts manually if needed or use short moving carts.
Drainage and wiring in an old mosque with disorganised cables, what preparations are needed?
We ask the mosque to pre-check electrical circuits and identify earth points and safe breaker locations. We route drainage lines separately away from existing cables to avoid crossover and damage.
