Drain-pump repairs
Pump, float switch, pan, pipe and condensate diagnosis.
Ceiling cassette specialists
Cassette Aircon Repairs, Drain Pump Service & Maintenance
Ceiling cassette air conditioners are common in offices, retail stores, restaurants and reception areas. Their drain pumps, condensate pans and ceiling position require careful servicing to prevent leaks and damage.
Service scope
Practical repairs for residential, commercial and industrial systems
Ceiling cassette air conditioners are common in offices, retail stores, restaurants and reception areas. Their drain pumps, condensate pans and ceiling position require careful servicing to prevent leaks and damage.
Cassette deep cleaning
Filters, evaporator coil, louvres, pan and accessible drain.
Electrical diagnosis
Controller, sensor, fan, pump and control-board testing.
Airflow balancing
Louvre, fan, filter and coil checks for uneven airflow.
Refrigeration checks
Temperature, pressure and leak assessment where required.
Multi-unit servicing
Planned maintenance for offices, shops and commercial sites.
Faults investigated
Problems our technicians diagnose
- Water drips through the ceiling
- Drain pump runs continuously
- Cassette makes a grinding or rattling noise
- One side has weak airflow
- Unit displays a fault code
- Aircon does not reach the set temperature
Diagnosis before replacement
How the service is handled
Cassette repair begins by protecting the area below the unit and checking the pan, pump, float, drain route and coil condition. Electrical and refrigeration checks follow where the fault is not purely drainage-related.
- Clear fault assessment
- Written quotation before major work
- Testing after repair or service
- Maintenance recommendations where relevant
Information to send when booking
Share the location, equipment brand, model if visible, system type, fault symptoms, when the problem started and photographs of the indoor and outdoor equipment.
Send Details on WhatsAppIndicative 2026 pricing
Service price guide
These ranges show typical starting points. The final quotation depends on system size, access, parts, refrigerant and the fault found.
| Service | Indicative price | Typical inclusion |
|---|---|---|
| Cassette diagnostic | R950–R1,500 | Inspection and fault assessment |
| Cassette major service | R950–R1,800 | Filters, coil, pan, pump and drain checks |
| Drain-pump repair labour | R1,200–R2,500 | Parts excluded |
| Leak detection | R1,500–R3,000 | System and access dependent |
| Multi-unit maintenance | Quoted by quantity | Reduced unit rate may apply |
Pricing note: Prices are 2026 estimates for standard access and are confirmed in writing after inspection. Spare parts, refrigerant quantity, cranes or access equipment, electrical upgrades, travel outside core service areas and VAT may be additional unless specifically included in the quotation.
View the complete aircon and HVAC price list →Customer questions
Frequently asked questions
Why is my cassette aircon leaking water?
Common causes are blocked drains, failed pumps, dirty coils, frozen coils, incorrect pipe fall or damaged insulation.
Can a cassette be cleaned without removing the ceiling?
Many service tasks can be completed from the cassette opening, but some drainage or pipe repairs may require additional ceiling access.
How often should office cassettes be serviced?
Many commercial cassettes need service every three to six months, depending on operating hours and dust.
Do you replace cassette drain pumps?
Yes, subject to model identification and parts availability.
Can you service several cassette units at once?
Yes. A multi-unit quotation can be prepared using the quantity, size, access and service condition.
Book an air-conditioning inspection
Send the equipment type, brand, location and fault description for a faster response.