Welcome to IES


We specialise in providing comprehensive heating, ventilation and air conditioning as well as HVAC solutions to the commercial and industrial sectors, including to airports, hotels, restaurants, casinos, banks, hospitals, production plants and manufacturing warehouses. IES has been in the HVAC industry since 1945 and are part of the French energy company ENGIE. Under its new ownership, IES is able to offer extensive experience in providing turnkey solutions to clients, offering a single point of contact for supply and installation and maintenance – always on time and always on budget.

Over the years, we have been awarded a number of renowned local projects including: Cape Town International Airport, Oliver Tambo International Airport, Gold Reef City Casino, Gateway Theatre of Shopping, Kusile and Medupi Power Stations, Moses Mabhida Stadium, Victoria and Alfred Marina, Standard Bank Rosebank and various MTN Mini Hub Switches across the country.

We have also been involved in various key international projects.

Procurement

Our business offers a comprehensive engineering equipment selection.

Our cost-conscious procurement departments in Durban, Johannesburg, Cape Town and Dubai only source branded products which are tested and proven in quality.

Installations

We have experienced and highly skilled installation teams in the fields of Piping, Ducting, Installation, Electrical and BMS Controls.

Maintenance

We offer Preventative Maintenance and Breakdown and Repair work through our sister company Ampair (Pty) Ltd., who have been in the industry for over 31 years.

Commissioning

Our trained commissioning teams are capable of the complete testing and commissioning of air-conditioned systems; including air and water balancing, controls and electrical, in compliance with local and international standards.

All commissioning is compliant with CIBCE and Greenbuilding.

Construction Management

We have experienced and highly skilled installation teams in the fields of Piping, Ducting, Installation, Electrical and BMS Controls.

Ducting Manufacturing

We are one of the only HVAC providers that have in-house duct manufacturing facilities in Durban, Johannesburg and Cape Town.

We specialise in rectangular, circular and board (pre-insulated) ducting, and are SMACNA and SABS approved.

About Us


Improvair Environmental Solutions (IES) is a company of global energy giant ENGIE and dominates the commercial Heating, Ventilation and Air Conditioning (HVAC) market throughout Southern Africa.

IES has been operational for over 70 years and has extensive experience in designing, installing and maintaining Chilled Water Air Conditioning Plants, Direct Expansion (DX) Air Conditioning Plants and Variable Refrigerant Flow (VRV/VRF) Air Conditioning Plants and Ventilation systems.

Its expertise further extend beyond the traditional HVAC solutions and into highly specialised solutions for unique applications, particularly data centres, cellular phone switching hubs, laboratories, surgical theatres, museums and bank volts.

Find out more here

Procurement

Our business offers a comprehensive engineering equipment selection.

Our cost-conscious procurement departments in Durban, Johannesburg, Cape Town and Dubai only source branded products which are tested and proven in quality.

Installations

We have experienced and highly skilled installation teams in the fields of Piping, Ducting, Installation, Electrical and BMS Controls.

Maintenance

We offer Preventative Maintenance and Breakdown and Repair work through our sister company Ampair (Pty) Ltd., who have been in the industry for over 31 years.

Commissioning

Our trained commissioning teams are capable of the complete testing and commissioning of air-conditioned systems; including air and water balancing, controls and electrical, in compliance with local and international standards.

All commissioning is compliant with CIBCE and Greenbuilding.

Construction Management

We have experienced and highly skilled installation teams in the fields of Piping, Ducting, Installation, Electrical and BMS Controls.

Ducting Manufacturing

We are one of the only HVAC providers that have in-house duct manufacturing facilities in Durban, Johannesburg and Cape Town.

We specialise in rectangular, circular and board (pre-insulated) ducting, and are SMACNA and SABS approved.

 About Us  About Us About Us

Our Services


As HVAC specialists, our services range from project management and installations, to commissioning and planned preventative maintenance.

Find out more about Our Services here

Procurement

Our business offers a comprehensive engineering equipment selection.

Our cost-conscious procurement departments in Durban, Johannesburg, Cape Town and Dubai only source branded products which are tested and proven in quality.

Installations

We have experienced and highly skilled installation teams in the fields of Piping, Ducting, Installation, Electrical and BMS Controls.

Maintenance

We offer Preventative Maintenance and Breakdown and Repair work through our sister company Ampair (Pty) Ltd., who have been in the industry for over 31 years.

Commissioning

Our trained commissioning teams are capable of the complete testing and commissioning of air-conditioned systems; including air and water balancing, controls and electrical, in compliance with local and international standards.

All commissioning is compliant with CIBCE and Greenbuilding.

Construction Management

We have experienced and highly skilled installation teams in the fields of Piping, Ducting, Installation, Electrical and BMS Controls.

Ducting Manufacturing

We are one of the only HVAC providers that have in-house duct manufacturing facilities in Durban, Johannesburg and Cape Town.

We specialise in rectangular, circular and board (pre-insulated) ducting, and are SMACNA and SABS approved.

 Service 1  Service 2 Service 3

Speak to IES about your HVAC requirements now!

Our Trusted Suppliers


We have built long-standing relationships with many of our suppliers and are therefore able to meet short lead times. Some of our suppliers include:
Siemens

Latest News


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May 29, 2019

One company, one vision


Since the acquisition of Thermaire and Ampair, ten months ago, ENGIE has undertaken a reorganisation to ensure that it meets the expectations of its clients in an efficient, seamless and timely manner. The organogram below showcases the optimised structure and reporting lines. Gerhard Dirker has been appointed as Branch Manager – Projects in Gauteng and […]

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Jan 17, 2018

French company ENGIE acquires Thermaire Investments


French company ENGIE acquires Thermaire Investments and sister company Ampair in a major step in developing its energy services in Southern Africa.   Thermaire Investments (Pty) Ltd and Ampair (Pty) Ltd announces that an agreement was reached with ENGIE to sell 100% of their respective shares. Jointly, the acquired companies will form the largest South African […]

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Jun 01, 2017

Forbes takes over IES division


Leaders in specialised and commercial HVAC contracting, Improvair Environmental Solutions (IES) is pleased to announce that Bobby Forbes, MD of sister company Ampair (Pty) Ltd., will be taking over the management of the IES Gauteng and Western Cape divisions, effective as of 1 January 2017. “IES has been in operation since 1945, with many of […]

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