HVAC electro-mechanical
Electro-mechanical works in Al Jawharah
In Al Jawharah, south Jeddah, central AC and commercial refrigeration projects demand precise electro-mechanical work to link the power panel, pumps and fans into one coordinated system. Alrabih's team handles all electrical and mechanical runs and coordinates with the main contractor for sound handover.
- Power panels
- Control automation
- Site coordination
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
When these works are needed
- 1
A new central HVAC project
In commercial, government and industrial buildings, fitting units and ducts is not enough. You need electrical runs sized for the loads, a control panel that starts and stops equipment in the right order, and pumps and pipework designed for the building.
- 2
Extending an existing HVAC system
Adding units or new control zones means extra load on the panel and new control cabling. We review the available capacity on site and define what the extension needs before any work starts.
- 3
Electrical faults stopping the equipment
A unit that will not start despite being in good order, a pump that burns out repeatedly, breakers tripping for no clear reason: these are usually a wiring or panel problem, not a fault in the equipment, and need diagnosis from a technician who understands both sides.
Who it's for
Building a new commercial or government project
We review drawings with the main contractor and take on power panels, electrical runs, control automation, pumps and ventilation from start to handover.
Ask on WhatsAppYour HVAC equipment keeps breaking down
We diagnose the electrical and mechanical side of the system and identify whether the fault is in the panel, the wiring or the control circuits before any work begins.
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What the works cover
- Power panels and load distribution
- Electrical runs for HVAC
- Automation and control circuits
- Pumps and pipework installation
- Ventilation and exhaust fans
How we work
How we work
- 1
Review project drawings
We go through the electrical and mechanical drawings with the designer or main contractor and define the power requirements and cable routes before any materials are prepared.
- 2
Site coordination
Electro-mechanical works cross paths with civil works and finishes. We follow the site programme and agree the sequence with other contractors so no trade is held up by a clash.
- 3
Run cables and fit equipment
We pull cables, mount panels, pumps and ventilation fans, then wire the control and automation circuits according to the approved site drawings.
- 4
Coordinated testing and start-up
We test each circuit individually then run the full system together with the AC equipment, checking that automation starts and stops everything in the right order before handover.
Planned coordination or clashes that delay the project?
| Alrabih | The usual way | |
|---|---|---|
| Electrical panel | Sized for the actual load | Rough sizing causes problems later |
| Control wiring | Documented to drawings | Run without documentation |
| Site coordination | Followed with every trade | Each trade works in isolation |
| Start-up test | Full test before handover | Faults found after handover |
| Change documentation | Recorded at handover | Verbal changes, no record |
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
Al Jawharah is a modern residential district with spacious villas, multi-storey apartment blocks and some small commercial projects, offering ample outdoor space for units, piping and cabling. Electro-mechanical work here benefits from early planning during the building phase, allowing clean cable runs through the structural walls and safe mounting of pumps and fans before finishes go up. Coordination between our team, the main contractor and other trades is vital to avoid schedule clashes and ensure all systems align when final testing begins.
Al Jawharah is in south Jeddah close to the city, a newly built district mixing villas, residential towers and small commercial units.
Most projects here need separate electrical runs to each outdoor unit and a central control panel integrating AC, refrigeration and ventilation systems.
The AC setup in Al Jawharah
- 1
Central control panel serving multiple systems
In Al Jawharah's larger villas and residential towers, one central panel manages AC, refrigeration and ventilation with safe power distribution to each branch.
- 2
Concealed pipe and cable runs through walls
Most electro-mechanical runs are built into walls and false ceilings in the early phase, delivering a clean finish when work is complete.
- 3
Central cooling unit pumps
Larger commercial projects and residential towers need robust pumps to circulate chilled fluid, mounted with full coordination of all trades.
Before the visit
Before our visit in Al Jawharah
- 1
Obtain the project drawing and schedule
Before work begins, we need a copy of the site plan, dimensions and schedule to map cable and pipe routes precisely.
- 2
Prepare safe spaces for the panel and outdoor units
Ensure adequate, safe space for mounting the power panel, outdoor units and pumps, away from main traffic paths.
- 3
Agree work times with the main contractor
Confirm with us and the building team which days and hours our crew will work to avoid clashes with electricians, plumbers and other trades.
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FAQ
Questions about Electro-mechanical works
Can you handle the electro-mechanical works when there is already another civil contractor on site?
Yes. We work as a specialist subcontractor alongside the main contractor, coordinating cable routes, pipework and equipment positions with the other trades on site. Before work begins, we identify where our scope crosses the civil and structural work and agree on the sequence of installation to avoid clashes.
What is the difference between the power circuit and the control circuit in an HVAC project?
The power circuit carries current from the panel to the compressor, motor or fan; cable size is set by the load. The control circuit carries low-voltage signals between sensors, thermostats and the controller; it issues run, stop and modulation commands. A fault in either circuit disables the whole system, so each is routed and terminated independently.
Does your work include connecting the automation system to a building management network?
Yes, when a building management network is already present on site. We connect the HVAC control units to the designated interface points and test signal exchange between the two sides. Protocol details and configuration are agreed with the team responsible for the building management network before installation begins.
How do you handle a clash between cable routes and ducts or pipework?
We identify clashes at the planning stage before installation starts, then consult the relevant trades to agree on an alternative route. If a site resolution is not possible, the clash is escalated to the project supervisor for a decision. Priority is always given to keeping the correct bending radius for cables and the required fall on condensate drain pipes, as compromising either affects system performance.
How do you handle a clash between cable routes and ducts or pipework?
Clashes between cable routes, ducts and pipework are common on medium and large projects. We identify them during the drawing review stage, before any trenching or pulling begins, and agree an alternative route with the trades involved. Changing a route on paper is far simpler than reworking it on site.
At what stage should electro-mechanical work start on a new building?
Best to begin after the concrete structure is done but before interior finishes start, so cables and pipes can run cleanly through the walls.
How do you coordinate with the main building team and other trades?
We review the project schedule in advance, agree on work windows to avoid clashing with electricians and plumbers, and attend site coordination meetings.
Can you mount the pumps and fans before the walls and ceilings are finished?
Yes, this is part of our early planning, ensuring secure placement and easy future maintenance access.
What distance should there be between the power panel and the outdoor units?
It depends on system capacity and cable gauge needed, and we assess the site on our first visit to place the panel and runs optimally.
