Keep it cool with our
Mobile Air-Cooling Unit

Cooling Units that redefine mine ventilation

Who we are

Applying fundamental knowledge for cutting-edge solutions

overview

Pioneers of Progress:
The History of ACU

Looking back on almost 15+ years in the industry, we are equally proud and grateful for the ongoing progress and innovation of the ACU-unit.

Cooling Where You Need It Most: Ventilation solutions that enables your production environment Valued Clients

Units sold
0 +
Megawatt cooling delivered daily
0 +

Valued clients

Clients that have experienced mine ventilation like never before.

ACU at a glance

Keep it cool with ACU

Proof is in the numbers. These numbers show how

ACU have changed mine cooling for the better

Units sold
0 +
Megawatt cooled daily
0 +
Years` experience
0
1987
M-Tech is founded as M-Tech Mechanical
1991
Enerflow founded
1993
First Flownet License
1997
First major consulting contract

Peoble bed modular reactor

1999
Flownet redevelopment started
2000
Rebranded to M-tech industrial ISO 9001 certification
2003
Development of EMC80 starts + testing at Harmony gold Elandsrand mine (RAW 3222m underground)
2004
Patented mobile deep mine cooling unit (ACU)
2005
ACU100 – R134 changed to R407c
2006
1st 100kW ACU @DRD 5#
2008
ACU300 start design
2009
1st trials 300kW ACU @Mponeng 

1st trials 250kW ACU @Mponeng

2011
Sub Label
1st 2 x ACU300 sold Simmer & Jack MK1/50 sold to Impala

Enterprise development intiative

2012
Sub Label
Launch Enerflow installations

Enterprise development intiative

2013
6 x 250kW ACU @Beatrix 4# 

1st 6 x 250 kW ACU @Beatrix 4#

2020
Sub Label
First Energy Effcient BOOT project @Sibanye Beatrix
2021
Sub Label
100th ACU commissioned Dedicated On site OEM team
2022
Sub Label
ACU Titanium R&D start
2023
Sub Label
ACU MK2/50@SBP Spud #