Design before you buy
HVAC design in Al Bashaer
In Al Bashaer, east Jeddah, AC system design starts by understanding modern building characteristics and open spaces before investing in equipment. We calculate actual cooling needs and select appropriate systems with precision.
- 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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Duct installation
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Central AC installation
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Duct fabrication
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Cold room installation
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Electro-mechanical works
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Chiller & AHU installation
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HVAC design
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AC repair & faults
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AC cleaning
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Refrigerant charging
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Central AC maintenance
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Chiller maintenance
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AC removal & refitting
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Duct cleaning & sanitising
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AC servicing by brand
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Operation & maintenance contracts
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AHU maintenance
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Fridge & freezer service
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Cold rooms
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Display fridges & chillers
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Factory HVAC
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Warehouse HVAC
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Villa & home HVAC
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Hotel HVAC
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School HVAC
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Hospital HVAC
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Mosque HVAC
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Mall & retail HVAC
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Restaurant & cafe HVAC
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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 Bashaer is a relatively modern area with regular urban development, featuring spacious villas on large plots and high-quality apartment blocks with adequate spacing between them. The open space and modern layout mean ground and external walls face less heat than older districts, but large villas and spacious flats need precision in distributing cool air across long distances, and may benefit from VRF or high-efficiency central systems.
Al Bashaer sits in the east, a modern urban district with spacious villas and well-spaced apartment blocks.
Most new buildings in Al Bashaer choose between central AC and high-efficiency distributed systems based on size and use.
The AC setup in Al Bashaer
- 1
High-efficiency central AC
Modern villas and blocks in Al Bashaer benefit from new central systems offering even distribution and high energy efficiency.
- 2
VRF system for advanced individual control
Luxury projects may choose VRF because it allows different temperatures per room and cuts energy use by running units only as needed.
- 3
Hybrid system with distributed splits and partial central AC
Some projects combine separate splits in private wings with central AC for common areas to achieve flexibility and cost efficiency.
Before the visit
Before our visit in Al Bashaer
- 1
Provide complete architectural drawings and specifications
Send us complete architectural drawings and materials used (glass type, thermal insulation, exterior colours) for complete accuracy in load calculation.
- 2
Explain your preferred air distribution plan
Tell us whether you prefer unified AC or separate zones for different parts of the building, which helps us select the best system.
- 3
Check roof and outdoor spaces
Ensure adequate roof or ground space for outdoor unit installation and water drainage in a safe, accessible location.
More districts for HVAC design
Other services in Al Bashaer
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.
New villa in Al Bashaer, should I choose central or distributed?
It depends on villa size and number of independent wings. We calculate heat load for each section and review the architectural plan to recommend the most efficient system with best control.
New apartment building with 20 flats, what is the best AC system?
We typically recommend unified central AC with separate control per flat, or VRF if budget allows, because they offer high energy efficiency and centralised maintenance.
Al Bashaer is modern but summers are intense, does the design account for this?
Yes, we calculate peak summer temperatures and local humidity, then choose units with high cooling capacity and advanced filters to handle the intense thermal load.
Modern villa has large glass areas, how do we calculate their impact?
We calculate heat gain from each window by size, solar orientation and glass type (clear or tinted), then include it in the total heat load for each room.












































































