01
Electrical Installations & Maintenance
New electrical installations, alterations, upgrades, repairs and planned maintenance for homes, offices, retail, commercial and light-industrial properties.
Explore service ↗Local Service
Technical support for homes, businesses and managed properties in Johannesburg.
Johannesburg clients often need rapid fault diagnosis, planned property maintenance, commercial refrigeration, air-conditioning and backup-power solutions. T.Wise supports suitable work across the wider Johannesburg area according to project scope and scheduling.
Our service range covers electrical installations and maintenance, plumbing and leak repairs, power-failure diagnosis, distribution-board work, COC-related remedial work, solar and backup power, refrigeration, cold rooms, air-conditioning and property maintenance.
Areas around Johannesburg
Rosebank, Randburg, Johannesburg North and surrounding Johannesburg areas.
Services in Johannesburg
Common electrical, power and cooling requirements we support.
02
Fault Finding & Power Failure Repairs
Systematic diagnosis and rectification of tripping power, intermittent faults, overloaded circuits and electrical power failures.
Explore service ↗03
Plumbing Services
Leak detection, pipe installation and replacement, bathroom and kitchen plumbing, emergency plumbing, water heaters and geyser repairs or installations.
Explore service ↗04
DB Board Upgrades & Rewiring
Distribution board rewiring, upgrades, circuit protection improvements and complete rewiring for ageing or altered installations.
Explore service ↗05
Solar & Backup Power Solutions
Practical solar, inverter and backup-power solutions built around a property’s energy profile, operating requirements and future expansion.
Explore service ↗06
Refrigeration & Cold Room Services
Installation, repairs and maintenance for refrigeration equipment, freezer rooms and cold-room systems.
Explore service ↗Planning Work in Johannesburg
Start with the problem, not a guessed solution.
Clients often contact a contractor with a symptom rather than a confirmed diagnosis: “the power keeps tripping”, “the cold room is not holding temperature”, “the inverter is not lasting”, or “the aircon is running but the room stays hot”. That is enough to start. The next step is to establish what the system is doing, inspect the relevant equipment and determine the work actually required.
For larger upgrades, the same principle applies. Rewiring, DB changes, solar systems and commercial cooling work should be planned around the existing installation, load and operating needs rather than treated as a standard package.