About IES

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


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.


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


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.


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.

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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:

Latest News

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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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Mar 20, 2017

IES completes work at 72 Grayston

72 Grayston was recently re-built into a 5500sqm commercial office block. Situated in well-known business hub, central Sandton, Johannesburg, the building underwent its transformation in order for it to complement its architecturally chic and modern surroundings. It is located up the road from the renowned Nelson Mandela Square, Sandton City and Sandton Convention Centre. IES […]

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