Annual service to keep heat pumps efficient: coil clean, descale, sensor test and charge verification. In Dunkeld this is sandton prime work on all heat pumps systems, attended within about 50 minutes of dispatch.We work across every major brand installed in Dunkeld, and diagnostics start from the plated design data rather than a guess.Fixed-fee annual cover with scheduled visits, priority response and reporting suitable for HOA and facilities managers.Heritage overlays on some streets restrict visible external plant. Heat Pump Services bookings in Dunkeld are logged against Block 6 so we can allow for power availability on site.

Typical response window
50 minutes from Sandton
Distance from Sandton CBD
4.6 km
Municipal water hardness
moderate (130 ppm)
Load-shedding schedule
Block 6
Access & compliance
Heritage overlays on some streets restrict visible external plant.
Typical installed systems
Older character homes retrofitted with concealed multi-split systems.

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.
R134aHFC (A1)80-140 kPa at -5 degrees C evaporating900-1 200 kPa at 45 degrees C ambientWine cellars, display cabinets, medium-temperature commercial refrigeration and some heat pumps.

Common questions

What does an annual service contract include?

Scheduled visits, priority response between visits, a written condition report per unit and fixed labour rates for the contract year.

Do you charge a callout fee?

A standard callout and diagnostic fee applies and is quoted upfront. It is credited against the repair when you accept the quote.

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.