Central AC, start to finish
Central AC installation in Thuwal
Central AC installation in Thuwal covers the villages and isolated villas in Jeddah's far north. Alrabih calculates each villa's needs precisely, builds the complete system, and ensures it runs before you move in.
- Design and build
- Own-workshop ducts
- Full commissioning
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
Who needs a complete central system?
- 1
A new villa before finishing
The finishing stage is the right time to run central AC ducts before the ceilings close. Delaying the decision means extra cost later or compromises in the duct route that weaken airflow in certain rooms.
- 2
A commercial or office building
A commercial building needs airflow that fits how the floors are divided and how the load varies between levels. The site survey sets unit count, duct routes and outlet positions before any decision is made.
- 3
An old system draining power
Old units, deteriorating ducts and leaking copper push the electricity bill up without cooling the space properly. Replacing the whole system starts with a fresh load calculation, not with larger units pushed into the same old ductwork.
Who it's for
Building a villa and need ducts before ceilings close
We visit during the finishing stage, design duct routes and outlet positions, fabricate the ducts in our workshop and install them before the ceilings close, so you take over a fully working villa.
Ask on WhatsAppManaging a commercial building and replacing an old system
We recalculate the loads, design airflow to match the current floor layout and replace both units and ductwork completely so the system runs reliably without repeated faults.
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What the contract covers
- Load calc and system design
- Units from authorised distributors
- Duct fabrication and fitting
- Insulated Mueller copper runs
- Full commissioning and handover
How we work
How we work
- 1
Survey and load calculation
The engineer visits, measures each zone, and calculates the thermal load per area, accounting for facade orientation, ceiling height and how the space will be used in Jeddah's hot and humid conditions.
- 2
Design and unit selection
We draw duct routes and outlet positions and select units from Carrier, YORK, General, Midea, Gree or Smart Gold, then present the design to you before any work begins.
- 3
Fabrication and installation
Round and rectangular ducts are fabricated in our workshop from G90 galvanised sheet to SMACNA standards, then installed on site alongside the copper runs, insulation and electrical connections.
- 4
Commissioning and handover
We pressure-test the copper lines, vacuum them, check air balance at every outlet and condensate drain fall, then hand the system over to you in full working order.
One contractor or several parties?
| Alrabih | The usual way | |
|---|---|---|
| Design and build | One party accountable | Designer and installer split |
| Ducts | Our workshop, G90 standard | Unmonitored outside suppliers |
| Copper | Mueller up to 30 metres unwelded | Unknown source, many joints |
| Commissioning | Pressure test, vacuum, air balance | Straight power-on, no testing |
| Insulation | Armaflex and Kimmco fitted | Patchy or missing |
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
Thuwal is a coastal village in Jeddah's far north with detached villas spread over wide spaces and landscaped areas between them. The villas here are larger than city villas and face strong sea breezes and salt spray from nearby waters, affecting outdoor unit material and mounting distance. Each villa needs a bespoke central system sized to its area and sun orientation, and the spacing means no shared systems with neighbors. Installation calls for precise load measurement and design accounting for coastal winds and high humidity.
Thuwal sits in coastal far-north Jeddah, a district of detached villas spread over wide spaces with a rural character.
Most Thuwal villas have independent central AC systems per villa, with one or two outdoor units on roof or yard positioned to minimise sea salt exposure.
The AC setup in Thuwal
- 1
Independent central system per coastal villa
Each Thuwal villa has its own system with one or two outdoor units on roof or private yard, firmly anchored against coastal winds.
- 2
Ducts distributed through spacious villa rooms
Ducts run through suspended ceilings and walls inside the villa, with distribution vents in each room and living area for high thermal balance.
- 3
Long copper run from outdoor unit
Coastal villas may need long copper runs from outdoor unit to interior. We calculate length precisely and use thermal insulation and corrosion protection.
Before the visit
Before our visit in Thuwal
- 1
Inspect the outdoor unit location
Choose where you want the outdoor unit (roof, yard, side) and confirm the spot is as sheltered as possible from direct wind.
- 2
Provide villa measurements and window details
Tell us room count, total area, window size, sun orientation and open spaces for ventilation, so our design is precise.
- 3
Confirm construction and finishing schedule
Tell us when construction, painting and finishing will be complete, so we schedule installation when dust and temporary moisture are minimal.
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FAQ
Questions about Central AC installation
How do you decide the right unit size for my villa?
We calculate the thermal load for each zone based on its area, ceiling height, number of external openings, orientation and how it will be used. In Jeddah the sun's effect on west-facing facades is significant, and high humidity goes into the calculation. We choose the unit size after this calculation, not before.
Do you make the ducts yourselves or buy them ready-made?
We fabricate round and rectangular ducts in our own workshop from G90 galvanised sheet or aluminium sheet depending on what the project needs. This lets us cut ducts to the exact site dimensions and fit them tightly, avoiding ill-fitting sections that leak air and raise electricity consumption.
What if the copper run to an outdoor unit is very long?
We use Mueller copper in runs of up to 30 metres without welded joints, which reduces potential leak points. If a run exceeds that, the survey determines whether the outdoor unit position needs rethinking or whether the refrigerant charge needs adjustment according to the type shown on the unit's nameplate.
Can each floor of the villa run on its own?
Yes, and it is settled at the design stage. Each floor can have its own unit, or the network can be split into zones with dampers and a thermostat in each, so you do not cool the whole upper floor while the family sits in the majlis. We recommend the right option after the load calculation.
Do the outdoor units need a special base on the roof?
Yes, and the roof surface determines what kind of base is needed. For villas we fabricate a raised steel frame that keeps the unit clear of pooled rainwater and allows airflow beneath it. The exact height and angle depend on the roof pitch and the condensate drain position, which the site survey establishes. The aim is to keep the unit level and to prevent vibration movement during operation.
The wind here is strong and humidity is high, does that affect unit choice?
Definitely. Sea breezes and salt spray demand highly corrosion-resistant outdoor units. We position the unit where it is as sheltered as possible from direct wind.
The villa is large and the land is spacious, how many outdoor units do I need?
It depends on villa size, room count and total area. We visit and calculate the load. Most large villas here need one powerful unit, but some with very large areas may need two.
The water here is hard and dust is heavy, does that affect system maintenance?
Yes, dust and salt affect outdoor unit efficiency. We recommend regular filter and coil cleaning, and using purified water to fill the system if possible. We factor this into the maintenance plan.
The villa is new and construction is still ongoing, should I install now or wait?
Best to delay installation until most construction and dust is finished. We install after painting and finishing to avoid dust and moisture ingress. We help you choose the right time.
