Building Services

Electrical, water & plumbing, HVAC/air-conditioning — engineered for safety, efficiency and uptime.

Electrical, Water & HVAC Solutions

Full-scope building services from assessment to commissioning — distribution boards and lighting, water supply and sanitation, and air-conditioning systems that keep spaces safe, comfortable and compliant.

150+
Systems Delivered
8
Years Combined Experience
99%
Compliance Rate
Building services installation overview

Electrical & Lighting

LV distribution, DB boards, cabling and protection; internal/external lighting, emergency and backup integration. Designed to SANS 10142 with quality hardware for long-term reliability.

Water & Plumbing

Potable water reticulation, hot-water systems, sanitary drainage and pressure control — hygienic, efficient and maintainable. Commissioned to spec with leak, flow and pressure tests.

Our Capabilities

Right-Sized, Code-Aligned

Load studies, demand calculation and hydraulic sizing to match use-patterns and budgets. Drawings and specs are developed for smooth approvals and accurate pricing.

  • Electrical load studies & single-line diagrams
  • Water schematics, pipe sizing & fixture scheduling
  • HVAC heat-load assessments & layouts
  • Regulatory alignment (SANS, OHS) & approvals
Design calculations and services layouts

Quality Installations

Certified installations for electrical, plumbing and HVAC — neat routing, labelled terminations and tested performance. Solar-ready provisions and generator/UPS interfaces on request.

  • DB boards, protection, wiring & lighting
  • Piping, geysers/heat pumps & sanitary ware
  • Split/ducted AC, ventilation & controls
  • Fire detection interfaces & cable management
On-site building services installation

Verified, Documented, Supported

Functional testing, balancing and certification with handover packs. Preventive maintenance plans and response SLAs keep systems running efficiently.

  • Testing, commissioning & COCs where applicable
  • Pressure, continuity & insulation resistance tests
  • O&M manuals, as-builts & spares lists
  • Planned maintenance & call-out support
Commissioning and maintenance documentation

Key Service Information

SANS-Aligned
Scope Electrical, water/plumbing & HVAC
Expertise Design, installation & commissioning
Standards SANS 10142, SANS 10252/10254, OHS
Quality Commitment Safety, uptime & clean handovers
Efficient services, certified and documented.

Bundle Your Build & Services

Request a Turnkey Quote

Share your project brief and we’ll prepare a coordinated design & build scope covering structure, electrical, plumbing, AC and finishes under one team and one programme.

Request a Design & Build Quote

Areas of Expertise

Power & Lighting
Plumbing & Sanitation
HVAC & Ventilation
Solar-Ready & Backup
Fire Interfaces
Testing & COC

Design & Build Services Profile

Integrated design and construction delivery including structure, services and finishes.

Design & Build Services Profile Cover
★★★★★ Single point of responsibility for your build

Our Design & Build Services Profile explains how we manage projects where architecture, structural works, electrical, plumbing, HVAC/AC and finishes are coordinated under one contract. We simplify communication, control variations and keep the programme aligned from concept through to handover.

Download it to use in RFQs, turnkey proposals, budgeting exercises and stakeholder presentations, showing how Naadi Contractors can handle both the design intent and on-site execution as one team.

Click here to download

Recent Building Services Projects

Office electrical and lighting upgrade

Office Power & Lighting Upgrade

Electrical | 3 Months
Building plumbing and hot-water system

Plumbing & Hot-Water System

Water & Plumbing | 2 Months
HVAC installation and commissioning

HVAC Install & Commission

HVAC | 4 Months
Backup power and controls interface

Backup Power Interface

Electrical | 1 Month