Desert cooler, proper duct
Evaporative (desert) duct installation in Al Naseem
In Al Naseem, central Jeddah, evaporative duct installation serves villas and residential homes with accessible roofs and relatively spacious layouts. Alrabih's team assesses the site, mounts the cooler on the roof, and distributes galvanised ductwork throughout the home.
- Sealed roof
- Galvanised duct
- Air changes
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
When you need evaporative cooler duct
- 1
A large workshop or warehouse
Large industrial spaces get very hot in Jeddah summers and split units are expensive to run there. An evaporative cooler with distribution duct brings air to work areas at lower running cost, provided the space is ventilated and not sealed shut.
- 2
A majlis tent or seasonal space
Outdoor majlis areas and seasonal tents do not suit split AC units because of the structure. Evaporative duct delivers a cool air stream as long as the space is open enough for air changes, which the survey confirms.
- 3
Old duct with poor airflow
Old sheet duct cracks over time and air leaks from the joints before reaching the space. On site we check whether the problem is leaking duct, poor distribution, or the cooler size itself.
Who it's for
Need to cool a large workshop at reasonable running cost
We survey the workshop and check its ventilation, then run galvanised duct from the roof cooler to the work areas with exhaust openings that keep air moving through the space.
Ask on WhatsAppYou have an outdoor majlis that needs seasonal cooling
We check how open the majlis is and assess its structure, then design the duct route and exhaust openings so cool air reaches the seating area without humid air building up inside.
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What the work covers
- Weatherproof roof collar fitted
- G90 galvanised duct runs
- Branch and air outlet connections
- Exhaust openings for air changes
- Airflow check after start-up
How we work
How we work
- 1
Site survey first
We visit, measure the space and check how open it is, because evaporative cooling needs enough ventilation; without it humidity rises inside and the cooling effect drops.
- 2
Plan the duct route
We plan the main duct run, branches, air outlet positions and exhaust opening locations, and show you the layout before any work starts.
- 3
Install duct and seal roof
We open the roof, fit and seal the collar against leaks, then run the galvanised duct and hang it on proper supports so it does not sag.
- 4
Start-up and test
We run the evaporative cooler and check that air reaches every outlet and that the exhaust openings are working so fresh air is visibly moving through the space.
Planned duct or a quick run?
| Alrabih | The usual way | |
|---|---|---|
| Roof seal | Weatherproof, sealed collar | Silicone that cracks in heat |
| Sheet | G90 galvanised | Unspecified gauge |
| Exhaust | Sized openings for air changes | Left to chance |
| Space suitability | Confirmed by survey | Not checked |
| Duct supports | Fixed hangers along the full run | Duct left unsupported |
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 Naseem is a developed residential district with spacious villas and large homes featuring medium to large gardens, and high roofs readily accessible. Large interior spaces and expansive gardens create ideal conditions for installing the evaporative cooler and directing humid air without issues. The spacious building layout means exhaust outlets can be easily directed without affecting neighbours.
Al Naseem sits in central Jeddah, comprising spacious villas with high roofs and large gardens spread generously.
Most villas in Al Naseem need medium to large-capacity coolers due to villa size, and roofs provide ideal obstruction-free installation locations.
The AC setup in Al Naseem
- 1
Large-capacity cooler on a high roof
Large villas in Al Naseem typically need a large-capacity cooler, and high roofs provide an ideal and safe installation location.
- 2
Galvanised ductwork with extended runs through the home
The ductwork extends from the roof through the spacious villa to all main rooms, with evenly distributed openings.
- 3
Exhaust routed towards large gardens and courtyards
Humid air outlets are easily directed to spacious gardens and courtyards with no impact on neighbours.
Before the visit
Before our visit in Al Naseem
- 1
Confirm roof condition and height
Tell us about the roof's condition, height and any equipment on it so we can plan installation accurately.
- 2
Identify areas to be cooled throughout the villa
A comprehensive list of all rooms and areas you want cooled will help us size the system correctly.
- 3
Verify garden and courtyard locations for exhaust
Ensure your gardens and courtyards offer suitable locations for directing humid air without issues.
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FAQ
Questions about Evaporative (desert) duct installation
Does evaporative cooling work in Jeddah in summer?
Evaporative cooling relies on water evaporation and weakens when humidity is high. In Jeddah, humidity is higher near the coast and lower inland. The survey decides whether the space and the season are suitable, which is why we do not start before visiting the site.
Why do exhaust openings matter as much as the duct runs?
An evaporative cooler pushes fresh air in continuously. Without an exit path, humid air builds up inside and the felt temperature rises. Properly sized exhaust openings keep air moving through, not piling up, and that is the core of how this type of cooling works.
What sheet do you use for the duct?
We use G90 galvanised steel sheet, which resists rust in Jeddah's humid and salty air. The duct sections are formed in our workshop before being taken to site, then hung on supports along the run to stop them sagging.
Can one cooler supply duct to more than one area?
Duct can be branched from one unit to more than one outlet, but each branch reduces the airflow at every opening. The survey decides whether the cooler has enough output for the total area, or whether a separate unit for each wing is the better answer.
Can evaporative cooler duct run through a false ceiling?
Evaporative cooling depends on continuous air movement and exchange, which requires exhaust openings in the same space the duct serves. A false ceiling restricts that flow unless dedicated openings lead air out of the building. The site survey decides whether the structure allows it, because the duct run and the exhaust are designed together as one system, not separately.
Al Naseem villas are very spacious, do they need more than one cooler?
A very large villa might need two coolers, but most work with one large-capacity unit. A site visit determines your actual needs.
Do spacious villa roofs in Al Naseem provide enough space for the cooler and ductwork?
Yes, high and spacious roofs provide more than enough space for cooler and ductwork installation without restrictions.
With intense heat and humidity, is an evaporative cooler suited to a villa in Al Naseem?
Evaporative cooling performs efficiently in less humid areas. We will assess humidity and heat at your location and advise if the system is sufficient.
Do large villa gardens help direct humid air more effectively?
Yes, spacious gardens and large courtyards provide ample areas for humid air to disperse easily without disturbance.
