
Chillers

Industrial HVAC & refrigeration support across Germiston, Johannesburg and the East Rand.
Installation, maintenance, repair, commissioning, system audits and logistics for commercial and industrial cooling systems, led by 22+ years of director experience.
22+
Years director experience
4 hr
Target response window
12
Specialist service lines
SA + Africa
Growth mission

Plant rooms
Chillers, valves and controls
Rooftop units
Safe access service planning
Diagnostics
Fault-first repair logic
Services
From single split units to chillers, AHUs, rooftop equipment and BMS maintenance, every service page explains when you need it, how the work runs and what affects pricing.
VRV Units
Efficient multi-zone comfort for commercial buildings and offices.
View serviceHide Away Units
Discreet ceiling-mounted air conditioning for neat interiors.
View serviceConsole Units
Low-wall comfort systems for rooms without ideal high-wall positions.
View serviceSplit Units
Reliable single-zone cooling and heating for homes and small offices.
View serviceFan Coil Units
Service and balancing for chilled or hot water terminal units.
View servicePackage Units
Rooftop or packaged HVAC support for larger spaces.
View serviceChilled Water Units & Air Cooled Chillers
Maintenance and fault-finding for chilled water and chiller systems.
View serviceRooftop Units
Safe access maintenance and repairs for roof-mounted HVAC equipment.
View serviceAir Handling Units
AHU maintenance for airflow, filtration and comfort control.
View serviceHeat Pump Units
Energy-conscious heating support for water and comfort applications.
View serviceBMS Maintenance
Building Management System checks that protect comfort and uptime.
View serviceCompressor Repairs
Diagnosis and repair planning for compressor faults and failures.
View serviceField proof
These image slots are ready to be replaced with HVAC Technologies' own before/after photos as the gallery grows.

Chillers

Rooftop Units

Hide Away Units

VRV Units
Service report
Director-led quality control
Response
2 hr follow-up target
92%
System risk
Compressor cycling
41%
Priority
Drain and controls check
High
Leadership
Director Yeartman Tsakeni combines technical HVAC and refrigeration experience with management discipline. The goal is simple: communicate clearly, work safely, and build a company trusted across South Africa and Africa.
Lead capture
The form captures service type, urgency, site details and contact preference so the first follow-up can be useful.
Lead magnet
Quote request
Prefer to call? +27 60 320 5659 or +27 64 008 1786.
Featured projects

Package units and airflow audit
Challenge: Recurring hot zones and unclear service history created comfort complaints on the floor.
Solution: Inspected equipment, checked airflow paths, prioritised maintenance actions and documented corrective work.
Outcome: Clear fault list, faster decision-making and a maintenance rhythm for the facility team.

VRV and split-unit support
Challenge: Different rooms needed different temperatures without escalating energy waste.
Solution: Reviewed zoning, unit condition, controls and service access before recommending the right mix of work.
Outcome: Better comfort control and a practical quote path for phased improvements.

Compressor and chiller diagnostics
Challenge: Cooling instability threatened production and required senior fault-finding.
Solution: Assessed compressor symptoms, refrigerant-side risks and control behaviour before repair planning.
Outcome: Reduced guesswork and protected the client from repeat failure.
Social proof
"HVAC Technologies helped us diagnose recurring cooling issues quickly and explained the next steps clearly."
"The team communicated well, arrived prepared and left us with a practical maintenance plan."
"Yeartman brings senior experience into the room. That matters when downtime is expensive."
SEO content
Maintenance
Seasonal maintenance steps that protect comfort, efficiency and equipment life before peak demand returns.
Guides
A buyer-friendly comparison of zoning, cost, comfort and maintenance for Gauteng buildings.
Technical
What facility teams should know before approving compressor repair or replacement work.

Send the equipment type, location and symptoms. HVAC Technologies will follow up within the stated 2-hour response window.