Window unit to split
Window-to-split conversion in Al Sharafiyah
In Al Sharafiyah, central Jeddah, villas and apartment blocks need their window units replaced with modern split systems that restore natural light and cut noise. Alrabih closes the window opening with blockwork, insulation and paint, then installs a new split in a smaller, cleaner core hole.
- Sealed opening
- Window restored
- Quiet split
Clients We're Proud to Serve
Organisations and companies that trusted Alrabih with their projects.
Why owners make the switch
- 1
Non-stop noise from the old unit
The window unit motor runs right inside the room, and the vibration gets worse over the years. Many owners say sleeping next to it has become impossible, and switching to a split removes the source entirely.
- 2
The wall opening lets in heat and dust
The foam and tape sealing the gap around a window unit frame degrade in Jeddah's salty, humid air. The large opening becomes a clear source of heat loss, dust in the windy season and sometimes rain in winter.
- 3
The blocked window darkens the room
A window unit fills the whole window or most of it, so the room loses its natural light and ventilation at times when you do not need cooling. Getting the window back fully changes the room noticeably.
Who it's for
Own a villa and want the windows back
We remove the window units from your villa rooms, close each opening with block, insulation and plaster, then fit a split in each room through its own core hole.
Ask on WhatsAppManaging a rental flat and want to raise its value
We convert the flat's window unit to a quiet split and restore the wall and window to their original condition, improving the unit for the next tenant.
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What the conversion covers
- Remove old unit and frame
- Block plaster and insulation
- Paint inside and outside
- New core hole for split
- Insulated copper and drain
How we work
How we work
- 1
Survey the wall and opening
We check the wall thickness and the build around the old opening, agree where the new core hole for the split goes away from the old frame, and decide where the outdoor unit will sit.
- 2
Remove and close
We remove the window unit and its frame without breaking the surrounding wall, then close the opening with blockwork or lightweight concrete to match the original construction, with thermal insulation set inside the layers before plastering.
- 3
Plaster and paint both sides
We plaster and paint the closed opening on both the inside and outside faces to match the existing wall, leaving no trace of the old opening that could let in air or moisture.
- 4
Fit the new split
We core the agreed spot for the split, run insulated Mueller copper and a drain line with the correct fall, vacuum the line before start-up and test everything with you present.
A proper seal or a quick patch?
| Alrabih | The usual way | |
|---|---|---|
| Closing the opening | Block, plaster and insulation | Foam or a timber board |
| Outside face | Plastered and painted flush | Visible mark or cracks |
| Thermal insulation | Inside wall before plastering | None |
| New split core hole | Chosen away from old frame | Wherever drilling is easiest |
| Outside paint | Matched to existing wall colour | Different colour or unpainted |
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 Sharafiyah has a mix of older villas and mid-rise apartment blocks, many built before split units spread in the 1980s and 1990s, so window AC units still occupy bedrooms and living rooms. Replacing them means carefully sealing the window opening and ensuring thermal and moisture insulation before painting, especially as Jeddah's summer heat puts strain on the job.
Al Sharafiyah lies in central Jeddah, a district mixing older villas with medium-rise apartment blocks along regular streets.
Most window units here are mounted in outer walls, making them accessible but requiring precise blockwork when sealing.
The AC setup in Al Sharafiyah
- 1
Sealing with blockwork and insulation
We fully seal the window opening with blockwork or lightweight concrete blocks, add thermal and moisture insulation, then finish with paint.
- 2
Split unit in a cleaner, smaller core hole
The new core hole for pipes and cables is much smaller than the original window opening, preserving wall strength and cutting heat loss.
- 3
Restoring natural light
Once done, the window is completely clear again, restoring natural light and ventilation as originally designed.
Before the visit
Before our visit in Al Sharafiyah
- 1
Tell us about the outer wall condition
Before we visit, send a photo of the outer wall around the window opening so we can check for moisture or cracks that might affect sealing.
- 2
Decide where the outdoor unit will go
Choose a safe, accessible spot for the new outdoor unit, either on a balcony or external bracket, and tell us in advance.
- 3
Confirm power availability near the new location
Check that a power switch or outlet near the new location is available, or tell us if we need to run additional circuits.
More districts for Window-to-split conversion
Other services in Al Sharafiyah
FAQ
Questions about Window-to-split conversion
Do you restore the original window after closing the AC opening?
It depends on what the original opening was. In some rooms the opening was cut into a solid wall with no window frame, so it is fully closed. If the original build can take a window, we discuss that at the survey and tell you what is actually possible in your wall.
Can the old window unit hole be reused as the new split core hole?
The old opening is usually much larger than the small core a split needs, and its position may not suit the copper and drain route. It is safer to close it fully and drill a new hole in the right place, so no hidden gaps remain to let air through or collect moisture.
How do you stop humid salty air coming through the closed opening?
We place thermal insulation inside the wall layers before plastering, and use sealing materials that form a continuous barrier from inside to outside. Jeddah's combination of humidity and salt accelerates the breakdown of any temporary patch, so we treat the closed opening as a new wall section, not a surface repair.
Do I need permission from the building management before closing the opening?
In a rented flat it is wise to check with the owner or management office first, because the work changes the building's outside face. In a villa you own the decision is yours. We explain the full scope at the survey so you can get any approval needed before the work day.
Does the job change if the wall is concrete rather than block?
Yes. A concrete wall needs a different filling method and may require a repair mix rather than standard block. We identify the wall type at the survey and choose the material that bonds solidly with the existing concrete, leaving no hidden gaps for moisture to enter later.
Will sealing the window opening affect the facade look?
We seal the opening to match the facade, paint it to blend with the surrounding wall, so it looks like it was always part of the original structure.
How do you handle window openings in closely built apartment blocks?
We coordinate with building management or neighbours to ensure no impact on adjoining units, and stay alert to shared building work like external insulation.
Summer heat in Al Sharafiyah is intense, will the insulation withstand it?
We use high-efficiency thermal and moisture insulation suited to Jeddah's heat, and apply reflective paint for added protection.
Electrical wiring in Al Sharafiyah is sometimes old, will it handle the new split?
We inspect the wiring before installation, and if it is insufficient we recommend upgrading the circuit or adding a separate breaker for the new unit.












































































