Design before you buy
HVAC design in Al Ain Al Aziziyah
In Al Ain Al Aziziyah, central Jeddah, mid-rise apartment blocks and modern villas demand precise AC design before purchase and installation. We calculate the heat load for every space based on its area, glazing, occupants and sun exposure, then select the optimal system type and draw the layouts.
- Accurate heat loads
- System selection
- Duct drawings
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
Who needs a considered design?
- 1
Owner planning a new build
Before walls and ceilings are finished you still have the chance to route ducts and place units correctly. Early design prevents costly surprises during fit-out and delivers rooms that cool evenly from the first day of operation.
- 2
Architect or contractor needing drawings
The project needs mechanical drawings to co-ordinate with the structure, electrical and plumbing trades. We produce duct layout drawings, equipment positions and installation heights in a format the site can use directly.
- 3
Existing building with uneven cooling
Some rooms stay hot even with the AC running while others are over-cooled. The cause is usually wrong airflow distribution or uncalculated capacity. A redesign finds the fault and defines what needs changing before any new purchase.
Who it's for
Building a villa and want design before fit-out
We calculate the heat load for every room in the villa and draw duct routes before ceilings are closed, so you avoid breaking the finished work later.
Ask on WhatsAppRunning a commercial building with hot rooms
We review the current airflow distribution and recalculate loads per space, then identify faults in the ducts or equipment and draw the required changes before any purchase.
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What the design covers
- Heat load per room
- Right system type selected
- Equipment from authorised brands
- Duct distribution layout drawings
- Equipment schedule for construction
How we work
How we work
- 1
Gather building data
We ask for the architectural drawings or visit the site to measure spaces and record glazing, orientation and internal loads from people, equipment and kitchens.
- 2
Calculate heat loads
We calculate the heat load for each space separately, accounting for Jeddah's intense sun, high humidity and exposed facades, so every unit is sized on real load not guesswork.
- 3
Select system and equipment
Based on loads and building type we choose between splits, ducted systems, central air and chiller, and specify equipment from Carrier, YORK, General, Midea, Gree and Smart Gold to suit the project.
- 4
Draw and deliver
We draw duct routes, unit positions, diffuser locations and installation heights, and deliver a complete equipment schedule ready for construction or tendering.
Calculated design or buying blind?
| Alrabih | The usual way | |
|---|---|---|
| Unit size | Based on actual load | Guessed or oversized |
| Airflow distribution | Drawing that achieves even flow | Diffusers placed at random |
| Co-ordination | Drawings before fit-out | Costly changes later |
| System type | Suited to building and budget | Whatever the shop suggests |
| Humidity and salt air | Accounted for in equipment choice | Discovered after installation |
Everything your AC needs, from one team
From system design and duct fabrication to installation, commissioning and maintenance.
Split AC installation
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Request this serviceDuct cleaning & sanitising
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Request this serviceAHU 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 Ain Al Aziziyah is a developed district mixing mid-rise apartment blocks with modern individual villas, with orderly streets and available ground space for outdoor units. Designing the AC system beforehand avoids common issues like poorly distributed units or miscalculated ducts, ensuring even comfort throughout and lower energy use. Apartment blocks especially need coordination between adjacent units to prevent duct or copper pipe overlap.
Al Ain Al Aziziyah sits in central Jeddah, a district of mid-rise apartment buildings and modern villas with orderly streets and available land.
Most apartment blocks and medium villas in Al Ain Al Aziziyah use a central system with insulated ducts in the ceiling or floor cavity, rather than separate units per flat.
The AC setup in Al Ain Al Aziziyah
- 1
Unified central system for the apartment block
Some newer buildings in Al Ain Al Aziziyah have a single central cooling room serving all flats through a shared duct network.
- 2
Separate units per flat with individual ducts
Most flats in Al Ain Al Aziziyah prefer their own unit with internal ducts starting in one room and expandable later if needed.
- 3
Ducts concealed in suspended ceilings and walls
Ducts are typically routed through suspended ceilings or cavity walls to preserve aesthetics and ease maintenance.
Before the visit
Before our visit in Al Ain Al Aziziyah
- 1
Gather complete plans of the flat or building
Provide clear architectural drawings marking windows, doors, columns, load-bearing walls and free spaces precisely.
- 2
Confirm roof and balcony access for outdoor units
Check that the roof or balcony is safely accessible and can safely bear the outdoor unit's weight and its noise proximity.
- 3
Coordinate with building management if present
If the building has management, inform them of your AC installation plans so they can provide necessary spaces and structural support.
More districts for HVAC design
Other services in Al Ain Al Aziziyah
FAQ
Questions about HVAC design
When is a chiller more suitable than split units?
The decision depends on the building area, number of spaces and how it is used. In large commercial and hotel buildings a chiller gives flexible control and simplifies central maintenance. In apartments and smaller villas a split or ducted system usually fits better. The calculated heat load is what determines the right choice for your building.
How does a large glazed facade affect the design?
Large glazing exposed to Jeddah's sun raises the heat load noticeably, especially on west and north-west facades. We calculate solar gain through each facade separately, and this can change the unit type selected for that room or require extra diffusers to handle the higher load.
Can you design for an existing building with no architectural drawings?
Yes. When no drawings exist we visit the site and measure every space ourselves, recording facades, glazing and how each room is used. The survey takes longer than reviewing ready drawings, but the calculations still rest on real measurements rather than estimates, which is what makes the results reliable.
Does the design include diffuser types and dampers?
The drawings specify diffuser types, positions and sizes to match ceiling height and room shape, and show where dampers are needed to balance airflow to each zone. These details matter because a diffuser in the wrong place wastes a large part of the system capacity even when the units are correctly sized.
Does duct design differ between the ground floor and upper floors?
Yes. The top floor typically carries a higher heat load because the roof is directly exposed to the sun, which affects duct sizes and the number of diffusers needed on that level. We design each floor separately based on its own calculated load and show where dampers are needed to balance airflow between floors.
I am buying a flat in an apartment block, can I design the AC before purchase?
Yes, if you have the flat's floor plan with window, door and wall positions. We calculate your flat's needs and the building's shared system, then advise what suits you.
My building has no central AC, can we add it now?
It depends on the building structure and available space in floor and ceiling cavities and walls. We visit, measure and draw a feasibility plan before you commit.
My outdoor unit sits on a small balcony next to my neighbour's flat, is that an issue?
There may be ventilation or noise issues if the spacing is too tight. In design, we recommend locations that respect comfort and quiet for everyone and meet regulations.
How do you route copper pipes in a building with multiple flats?
We design routes that keep pipes separate between flats and identify shared walls and risers for future expansion without conflicts.
