Generator & power equipment repairs and servicing, all makes, big or small
From a small inverter generator to a large standby set, our workshop services and repairs it properly with genuine parts, honest quotes and a full test before it goes home.
If it has a motor, we can probably fix it
Our workshop specialises in generators, and we service and repair the full range of motorised equipment, including everything Gentech sells.
Generator repairs
All makes and sizes, petrol, diesel and inverter.
- Won’t start, surging or no power output
- Carburettor, fuel and ignition faults
- AVR, alternator and electrical faults
Servicing & maintenance
Keep your generator ready for the next outage.
- Oil, filters and spark plugs
- Load testing and safety checks
- Scheduled services for businesses
Other motorised equipment
The same expert care for the rest of your equipment.
- Water pumps & pressure washers
- Compressors and petrol engines
- Ryobi power tools & garden equipment
Gentech dealer & service agent
We sell, service and repair the full Gentech range, so you deal directly with an authorised agent.
Ryobi repair centre
Ryobi repairs done by an authorised repair centre, with the right parts and know-how.
Generator installations on your site
Home, farm or business: we help you choose the right generator and install it properly, so it’s ready when the power goes.
- Site visit & sizingWe check what you need to power and recommend the right size.
- Quote & supplyA clear quote, with Gentech and other quality units supplied.
- Installation & commissioningInstalled, tested under load and handed over with a walkthrough.
- Ongoing serviceRegular servicing keeps it reliable for years.

Quality refurbished equipment, ready to work
Pre-owned generators and equipment, refurbished and tested in our workshop. A reliable machine for less.
Drop it off, or give us a call
NRG Efficiency
Kyalami, Midrand, Gauteng
| Monday to Friday | 08:00 to 17:00 |
| Last Saturday of the month | 08:00 to 13:00 |
| Other Saturdays, Sundays & public holidays | Closed |
