Design before you buy
HVAC design in Al Huda
In Al Huda, south Jeddah, HVAC design accounts for hospitals and medical clinics needing precise temperature and humidity control for sensitive pharmaceutical storage. We calculate load with strict climate control for sensitive medical areas.
- 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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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 Huda is an important residential and medical area with multiple hospitals and specialised clinics alongside villas, and medical facilities here need very precise temperature, humidity and air-quality control. Hospitals and clinics require high standards of cleanliness, sterilisation and air recirculation, and indoor units may need HEPA filters and special drainage. Design here balances clinic precision with normal residential villas, requiring detailed planning for each medical section.
Al Huda lies in south Jeddah, an important residential and medical area with hospitals and specialist clinics alongside residential villas.
Medical facilities in Al Huda require high-spec AC systems with HEPA filters, precise humidity control and enhanced drainage.
The AC setup in Al Huda
- 1
Central system with separate zones per medical department
Hospitals need a central system with separate zones per department, each with independent humidity and temperature control.
- 2
HEPA filters and advanced purification systems
Sensitive medical departments need HEPA filters and advanced air purification to ensure very high cleanliness standards.
- 3
Smart humidity and temperature control units
Pharmacies and medical stores need units with smart thermostats and precise humidity sensors to meet medical standards.
Before the visit
Before our visit in Al Huda
- 1
Provide complete plans of all medical departments
We need detailed plans of each medical department showing room size, ventilation and medical equipment present.
- 2
Specify temperature and humidity requirements per department
Collect from hospital management the exact temperature and humidity requirements for each department and medicine storage, as this determines system specs.
- 3
Coordinate with medical management on maintenance and monitoring
Agree with hospital management on regular maintenance schedules and periodic monitoring to ensure ongoing medical standard compliance.
More districts for HVAC design
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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.
The hospital needs uniform cooling across all departments, can one system do it?
Large hospitals typically need a central system with separate zones per department, each with its own thermostat and precise humidity control. In design we calculate each department separately, especially for operating theatres and intensive care.
The pharmacy room needs very strict temperature and humidity, does that complicate design?
Yes, pharmacies and medical stores need very precise control. In design we select units with smart thermostats, HEPA filters and advanced drainage to maintain required temperature and humidity.
Patient rooms need high air purity, are standard filters enough?
Standard filters may not be enough for sensitive medical areas. In design we use HEPA filters and advanced purification, with separate drainage per department.
The medical hotel next to the hospital, does it need a separate AC system?
Yes, residential and medical facilities need separate systems because control standards and air purity are very different. In design we separate the systems to ensure each performs optimally.
