Board-level diagnostics for inverter heat pumps showing intermittent faults or poor COP. In Houghton Estate this is upper residential work on inverter heat pump systems, attended within about 55 minutes of dispatch.On Alliance equipment specifically — locally supported inverter splits, ducted units and heat pumps — the faults we see most in Houghton Estate 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.Heritage overlays and consulate security on several streets. Heat Pump Services bookings in Houghton Estate are logged against Block 7 so we can allow for power availability on site.

Typical response window
55 minutes from Rosebank & Parks Belt
Distance from Sandton CBD
9.1 km
Municipal water hardness
moderate (130 ppm)
Load-shedding schedule
Block 7
Access & compliance
Heritage overlays and consulate security on several streets.
Typical installed systems
Very large heritage stands, central heating and multi-split conversions.

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 Houghton Estate?

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.