Design before you buy
HVAC design in Prince Fawaz North
HVAC design in Prince Fawaz North starts with understanding the spacious residential buildings and modern villas here. We calculate heat load for each section and choose the energy-efficient system before equipment spending.
- 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
Request this serviceDuct installation
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Request this serviceDuct fabrication
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Request this serviceAC repair & faults
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Request this serviceAC removal & refitting
Request this serviceDuct cleaning & sanitising
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Request this serviceAHU maintenance
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Request this serviceMosque HVAC
Request this serviceMall & retail HVAC
Request this serviceRestaurant & 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
Prince Fawaz North is a modern growth area with spacious villas and apartment buildings surrounded by garden and parking space. The buildings here are generally new and spacious, with open spaces between units allowing better natural ventilation. But large villas need close study of air distribution across multiple floors and wings, and poor design means inefficient units and high running costs.
Prince Fawaz North lies in south Jeddah, a modern growth area of spacious villas and apartment buildings with open spaces.
Most villas in Prince Fawaz North sit on large plots with ample roof space for the outdoor unit, and often need a central system or multiple units to cover the floors.
The AC setup in Prince Fawaz North
- 1
Unified central system with distribution ducts
Large villas typically use one central system with a duct network distributing air across each floor and wing.
- 2
Separate units per floor
Some spacious villas use a separate indoor unit per floor with one outdoor unit, allowing independent control.
- 3
Split units for additional wings
Separate wings may need dedicated split units, especially if far from the main outdoor unit.
Before the visit
Before our visit in Prince Fawaz North
- 1
Obtain complete architectural drawing
We need precise floor-by-floor drawings showing dimensions, walls, windows and doors for accurate heat-load calculation.
- 2
Choose the rooftop location for the outdoor unit
Ensure ample roof space away from intense direct sun, garden and electrical wiring.
- 3
Tell us about occupancy and household size
Tell us about resident count, active wings and whether there is a main kitchen plus additional kitchens, as this affects heat load.
More districts for HVAC design
Other services in Prince Fawaz North
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.
My villa is very large, how many AC units does it need?
It depends on floor count, wings, total area and sun orientation. We calculate heat load per floor and confirm unit count before purchase.
My roof is large and gets strong sun, does this affect the outdoor unit?
Yes, strong direct sun on the outdoor unit raises its temperature and lowers efficiency. We study positioning it away from direct sun or adding shade to improve performance.
My villa has separate wings for each son, does each wing need its own system?
One central system with separate air distribution to each wing is possible, or separate systems depending on your needs. We explore options with you during design.
My villa faces south with a garden, does that affect outdoor unit choice?
South facing and green garden provide better natural shade. We recommend positioning the outdoor unit away from the garden and water to avoid rust and excess moisture.
