Design, integration and servicing of multi-unit commercial hot water heat pump plant. In Carlswald this is corporate & commercial work on commercial hot water plant systems, attended within about 75 minutes of dispatch.On Alliance equipment specifically — locally supported inverter splits, ducted units and heat pumps — the faults we see most in Carlswald are capacitor failure on non-inverter units and heat pump flow switch faults.Every visit starts with a full diagnostic and a written quote before any part is fitted.Estate and complex pre-authorisation. Heat Pump Services bookings in Carlswald are logged against Block 16 so we can allow for power availability on site.

Typical response window
75 minutes from Midrand & Waterfall Corridor
Distance from Sandton CBD
19.5 km
Municipal water hardness
hard (195 ppm)
Load-shedding schedule
Block 16
Access & compliance
Estate and complex pre-authorisation.
Typical installed systems
Estate homes with inverter 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.
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

Do you stock Alliance parts in Carlswald?

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

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.

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.

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.

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.