Ducted Aircon South Africa hides the plant in a ceiling or roof space and feeds several rooms through ducts and ceiling diffusers, so nothing shows but the grilles. It is the tidiest system there is and the one that most rewards being planned before the ceilings go up.
Describe the house and get ducted quotes.
Get the Best QuoteWhat a Ducted System Is Made Of
- The indoor unit. A fan coil in the roof space or a bulkhead, out of sight.
- Ductwork. Insulated flexible or rigid ducts running to each room.
- Diffusers. The ceiling grilles, which are all that is visible.
- The return air. A central grille drawing room air back to the unit.
- Zoning. Motorised dampers so rooms can be run independently.
- The outdoor unit. One condenser, usually at ground level.
When Ducted Makes Sense
- A new build. Routing ducts before the ceilings close is far cheaper.
- A full renovation. The same opportunity, at the same moment.
- Several rooms. Three or more spaces off one system starts to pay.
- A clean look. Nothing on the walls, nothing but grilles on the ceiling.
- Enough roof space. Ducts need room, and a flat roof rarely has it.
- Good zoning. Without it you heat and cool rooms nobody is in.
Where Ducted Costs More Than Expected
- Retrofitting. Running ducts through a finished house is the expensive version.
- Roof space. Limited headroom forces smaller ducts and more of them.
- Zoning. Dampers and controls are a real line, and skipping them costs later.
- Insulation. Uninsulated duct in a hot roof loses what you paid to cool.
- Balancing. Getting every room right takes commissioning time.
- Servicing. The unit is in the roof, so access has to be designed in.
Ducted Aircon Prices
Ballpark ducted figures so you can check a quotation.
| Item | Ballpark price |
|---|---|
| Small home system, 3 to 4 outlets, installed | R95,000 - R180,000 |
| Medium home system, 5 to 7 outlets, installed | R150,000 - R280,000 |
| Large home system, 8 or more outlets | R240,000 - R450,000 |
| Per indoor unit in a commercial fit-out | R38,000 - R95,000 |
| Zoning, per motorised zone | R6,500 - R18,000 |
| Additional ceiling diffuser and duct run | R4,500 - R12,000 |
| Return air grille and filter box | R3,500 - R9,000 |
| Ducted system service, per indoor unit | R950 - R2,200 |
Prices JUST UPDATED. Ballpark figures, rounded, excluding VAT. They reflect typical South African aircon and refrigeration rates. They are not our prices or quotations, and no provider is bound by them. Confirm what each quotation includes, such as the unit capacity, the standard pipe run, the electrical work, making good and callout fees.
Get a ducted price for your own building rather than a range.
Get the Best QuoteWhat Affects the Price
- Number of outlets. Each room is duct, a diffuser and balancing time.
- New build or retrofit. The single biggest difference in the price.
- Roof space. Headroom and access decide how hard the ductwork is.
- Zoning. How many independent zones you want.
- Duct quality. Insulation thickness and rigid against flexible.
- System capacity. Driven by the whole-house load, not by room count.
What to Include in Your Request
- The floor plan. Rooms to be served and roughly how big each is.
- New build or existing. And if existing, what the ceilings are.
- Roof space. Pitched or flat, and how much headroom there is.
- Where plant could go. Roof space, bulkhead, or a cupboard.
- Zoning you want. Which rooms should run independently.
- Your programme. Particularly if ceilings are about to close.
Before the Installer Quotes
- Plan it before the ceilings close. Retrofitting the same system costs far more.
- Insist on zoning. A single-zone ducted system wastes most of its advantage.
- Ask about duct insulation. A hot roof undoes an uninsulated duct run.
- Ask how it gets serviced. And whether the access hatch is in the quote.
- Ask for the load calculation. Whole-house, not a sum of room guesses.
- Ask about commissioning. Balancing is what makes the far bedroom work.
Ducted Aircon FAQs
Can ducted aircon be retrofitted into an existing house?
Often, but it is the expensive version of the job. The ducts have to reach every room through the roof space, which means working around trusses, geysers and wiring, and sometimes dropping bulkheads where there is no route. If the house has a decent pitched roof with headroom it is very doable; a flat roof or a low pitch usually is not.
How much does ducted aircon cost?
For a home, roughly R95,000 to R180,000 for a small system of three or four outlets, rising past R400,000 for a large house with full zoning. The numbers move most with the number of outlets, whether it is a retrofit, and how many independent zones you want. It is a system, not a unit, and it is quoted after a site visit.
Is ducted better than individual splits?
It is tidier and more comfortable, and in a house with several rooms it looks and sounds better. It is also considerably more expensive and depends entirely on good design and commissioning. Individual splits are cheaper, simpler and let you cool only the room you are in, which is why they remain the sensible choice for most homes.
What is zoning and do I need it?
Zoning uses motorised dampers so each room or group of rooms can be switched and set independently. Without it, a ducted system cools the whole house every time anyone wants one bedroom cool, which is expensive and uncomfortable. On anything beyond a very small system, zoning is what makes ducted worth having.
Where does the indoor unit go?
Usually in the roof space, sometimes in a bulkhead or a cupboard. Wherever it goes, it needs access for servicing and filter changes, and that access needs to be in the plan rather than discovered later. A unit in the middle of a roof space with no walkway is serviced reluctantly and expensively.
Ducted systems are one of the types providers listed on Aircon Hub quote for, alongside cassette, VRV and rooftop package units.
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