Planned maintenance and fault finding on multi-storey VRV/VRF systems and their branch selector boxes. In Sandton CBD this is sandton prime work on vrv / vrf systems, attended within about 35 minutes of dispatch.On Alliance equipment specifically — locally supported inverter splits, ducted units and heat pumps — the faults we see most in Sandton CBD are sensor drift causing short-cycling and capacitor failure on non-inverter units.Every visit starts with a full diagnostic and a written quote before any part is fitted.Building management induction and permit-to-work required for plant rooms. Aircon Repairs & Servicing bookings in Sandton CBD are logged against Block 4 so we can allow for power availability on site.

Typical response window
35 minutes from Sandton
Distance from Sandton CBD
0.4 km
Municipal water hardness
moderate (140 ppm)
Load-shedding schedule
Block 4
Access & compliance
Building management induction and permit-to-work required for plant rooms.
Typical installed systems
Towers on central HVAC and chillers, plus retail and restaurant refrigeration.

Refrigerant data

GasClassificationSuction pressureDischarge pressureTypical use
R410aHFC blend (A1)280-320 kPa at 7 degrees C evaporating2 600-3 000 kPa at 45 degrees C ambientMost inverter splits, ducted systems, VRV/VRF and heat pumps installed since 2005.
R32HFC (A2L, mildly flammable)300-340 kPa at 7 degrees C evaporating2 700-3 100 kPa at 45 degrees C ambientCurrent-generation inverter splits and heat pumps.

Common questions

Do you stock Alliance parts in Sandton CBD?

Yes. Alliance is locally supported, so boards, sensors, capacitors and fan motors are available quickly, which keeps repair times short.

Can you work after trading hours?

Yes. Retail, restaurant and office work is routinely scheduled at night or early morning under a permit-to-work so trading is not interrupted.

Is a compressor replacement guaranteed?

Yes. Replacements are done with a system flush and new drier, and both part and workmanship are warranted, provided the original cause of failure is corrected.

How fast can you get to me?

Emergency callouts are dispatched to the next available technician, with the arrival window confirmed by SMS when the vehicle leaves.

Request a callout or quote

Send it straight to our WhatsApp for the fastest response, or call 069 268 0988 / email info@reyds.co.za.