About Us

We have over 10 years of experience in the Buildings environment as mechanical consulting engineers, HVAC

We are a 100% black owned engineering company with over 10 years’ experience in the Buildings environment as mechanical consulting engineers, HVAC. GT specialises in Heating, Ventilation, and Air-conditioning (HVAC) and has successfully completed projects for Buildings; shopping malls/centres, cinemas, office blocks, hotels, casinos, data centres, Universities and club houses.


GT has a variety of services that it offers, mainly HVAC design, however it is able to offer a holistic/all-inclusive service for projects, this include tendering services such as compiling tender documentation for bidding, construction services which includes compiling an HVAC construction programme and financial services which include providing estimates of HVAC system project cost for budgeting purposes.


We are registered with the relevant Engineering bodies such as ECSA, GBCSA, and SAIRAC and utilises “REVIT Software” to produce Mechanical HVAC Drawings. We are passionate about designing the best quality, energy efficient and practical HVAC systems tailor-made to meet our clients requirements & budget.

Managing Director

Our Managing Director Mr P. Tisetso Manale has been an HVAC Consulting Engineer for 10 years. He first started working for RPP Consulting Engineers in Oct 2008, appointed as a HVAC Design Mechanical Engineer, designing and managing multiple HVAC projects for 5 years.


He got offered a Senior HVAC Mechanical Engineer Position by Aurecon in Sep 2013, which he accepted. There, he was involved in running large scale projects, such as shopping malls with Chilled Water Plants, Large Air Handling Units & Roof-Top Package Units. He also assisted in leading & mentoring junior engineers.


In 2015, he opened GT Consulting Engineers (Pty) Ltd and has been running it successfully to date.