Charged right, not just topped up
Split AC refrigerant charging in Al Rabwah
In Al Rabwah, central Jeddah, a split that cools only at night or blows warm air needs more than a simple top-up. The leak must be found and sealed first, then the line vacuumed and charged to the unit's nameplate type and amount.
- Leak found first
- Vacuum and test
- Correct charge
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
When your split needs a refrigerant charge
- 1
Weak cooling with a clean filter
If the filter is clean and the compressor is running but the air from the indoor unit is barely cool, the cause is usually low refrigerant from a leak at the flare joints or the outdoor service valves.
- 2
Frost on the pipes or unusual water drips
Frost on the large pipe at the indoor unit, or water dripping from the unit in an unusual way, means refrigerant pressure has dropped below the range set by the manufacturer. The inspection finds the leak before any charging begins.
- 3
A split that was moved and refitted
When a split is removed for painting, renovation or a room move, the flare joints are disconnected and remade. These joints are the most likely source of a leak after refitting, and the system needs a careful check, a vacuum and a fresh charge.
Who it's for
Your bedroom split cools only at night
We find and fix the leak at the flare joints, then vacuum and charge to the nameplate refrigerant type.
Ask on WhatsAppYour split was removed for renovation and refitted
We inspect every remade flare joint, vacuum the full line, then charge and confirm cooling has returned.
Ask on WhatsApp
What the job covers
- Check flare joints and valves
- Repair or remake flare
- Vacuum line and pressure test
- Charge to nameplate refrigerant type
- Run unit confirm cooling
How we work
How we work
- 1
Describe the fault
Tell us on WhatsApp what is happening and send a photo of the outdoor unit nameplate so we know the refrigerant type before we arrive.
- 2
Inspect and find the leak
The technician checks the flare joints at the indoor unit and the service valves at the outdoor unit and locates the leak before taking any further step.
- 3
Repair and vacuum
We tighten or remake the flare joint as its condition requires, then vacuum the line and watch the pressure hold to confirm the line is tight.
- 4
Charge and run
We charge with the nameplate type at the amount the inspection determines, then run the unit and confirm that cooling has returned to the normal level.
Fix the leak first or just top it up?
| Alrabih | The usual way | |
|---|---|---|
| The leak | Found and fixed first | Ignored, charged over it |
| Flare joint | Checked, remade if needed | Not checked |
| Vacuum | Before every charge | Often skipped |
| Refrigerant type | Nameplate only | Whatever is available |
| Line moisture | Removed by vacuum | Left inside the line |
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Some of our work
Ductwork, rooftop units and diffusers, from work we've completed in Jeddah.
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What our customers say
- Muhammadramzan 2641
“MashaaAllah. Services are so good. Behaviour and kindness 100/100. Prices are less then Market. Fully recommended”
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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 Rabwah's residential and villa developments have moderate-rise buildings and modern homes with reasonable outdoor space, facing strong direct sun especially on south and west exposures. This high thermal load quickly reveals even small refrigerant leaks or weak charge, because units run at full capacity all day, and need precise charging to handle that heavy load.
Al Rabwah lies in central Jeddah among relatively modern residential areas, with villas and apartment blocks enjoying reasonable outdoor space.
Most split units here serve bedrooms or living rooms, with capacities from 1.5 to 2.5 tonnes cooling, and outdoor units mounted on external walls exposed to direct sun.
The AC setup in Al Rabwah
- 1
Separate split per bedroom or living room
Most villas and apartment blocks in Al Rabwah have independent split units per living space, with outdoor units on a single external wall.
- 2
Outdoor units fully exposed to direct sun
Outdoor units in Al Rabwah are seldom shaded or screened, and endure strong direct sun all day.
- 3
Cooling capacities 1.5 to 2.5 tonnes
The common splits in Al Rabwah at these capacities work under heavy thermal load, so they require precise refrigerant charging per nameplate specification.
Before the visit
Before our visit in Al Rabwah
- 1
Confirm outdoor unit is accessible
Check that the external wall or space around the outdoor unit allows safe access and work without obstruction.
- 2
Tell us where the electrical panel is
We need to isolate the unit's power before vacuuming and charging, so point us to the distribution panel or the unit's dedicated circuit breaker.
- 3
Prepare for the unit to be offline for several hours
Vacuuming and charging takes time, and the unit will be offline during this period, especially on hot Al Rabwah days.
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FAQ
Questions about Split AC refrigerant charging
Does the split have to come off the wall to be recharged?
Usually not. Charging is done at the service valve on the outdoor unit, and if the leak is at the flare joints behind the indoor unit we reach them by lifting the lower cover or tilting the unit on its bracket. It only comes down when the joint is inside the wall.
Where do leaks usually occur in a wall split?
The most common points in a wall split are the flare joints at the indoor unit, which loosen over time from vibration, and the service valves at the outdoor unit. In Jeddah's humid and salty air, oxidation at copper connections can develop faster, which raises the chance of a leak.
Does the charging process differ when a split has been moved?
When a split is moved, the flare joints are disconnected and remade, and this is when air and moisture enter the line. A full vacuum before charging becomes especially important, and the technician checks every remade flare joint before the line is closed.
Why does my split cool only at night?
This is a common sign of low refrigerant. At night, lower outdoor air temperature lets the compressor partly compensate for the shortage. During Jeddah's daytime heat, the reduced charge is not enough and cooling weakens or stops. The inspection confirms whether this is the cause or whether another factor such as the compressor or capacitor is involved.
Does the length of the copper pipe run affect how much refrigerant is needed?
Yes, a longer copper pipe run between the two units requires more refrigerant. The site inspection measures the actual run length, and the technician sets the charge amount based on the nameplate figure and the installed pipe length.
How can I tell if my split just needs charging or has a deeper fault?
If cooling is weak or the air blows warm despite running, there may be a leak. Our team checks the pressure and pipes first before any charging, and identifies whether a leak needs sealing.
The strong sun on my villa's facade affects the unit, does that impact charging?
Yes, intense heat on the outdoor unit raises internal pressure and accelerates any small leak. Precise charging to the nameplate spec is essential to handle that added pressure.
After charging, when should my cooling return to normal?
Once the line is vacuumed and the correct refrigerant charged, cooling should return to normal immediately. If weakness returns within weeks, the leak was not fully sealed.
Do I need extra power supply for refrigerant charging?
No, charging requires no extra power. We isolate the unit's supply during vacuuming and charging for safety.
