The ranges on this page are wide for a reason: the geyser is only part of the job. On the Northcliff ridge, municipal pressure runs high and a pressure regulating valve upgrade (R1,200) is often the difference between a geyser that lasts and one that does not. In older Fairland and Linden homes we regularly find geysers on tired timber platforms or fed by old pipework, and a new platform or relocation runs R3,000-R8,000 depending on the pipe type used and how far the pipes need to run.
Size matters less than people think for price, and more than they think for comfort. A 150L unit suits most families; 200L makes sense when two bathrooms run in the morning. If your old geyser is still heating but tripping or running lukewarm, start with the repair route: element replacement, thermostat replacement or a general geyser repair costs a fraction of a new unit.
Considering leaving electric behind? Our honest take is on the gas side: a gas geyser gives hot water on demand regardless of load shedding, and the full installed cost (unit, gas work, plumbing, both certificates) typically lands between R25,000 and R40,000. We also install and service electric geysers across Randburg, Fairland, Northcliff and the surrounding suburbs. If you already have the unit, our geyser installation in Randburg page covers the fitting itself: the mounting, the full valve kit and the certificate.
All prices on this page are 2026 estimates for typical Randburg installations and can shift with site conditions. The quote we put in writing is the price you pay.