Our friendly, constructive and resourceful approach to your specific heating, cooling and ventilation needs has lead to hundreds of successfully delivered projects nationwide, covering new build, refurbishment and replacement. Our business has grown within the past decade through recommendation and retention of valued clients. At e2 we are not affiliated to one specific brand or manufacturer, enabling us to provide a service as unique as each installation; a differentiated service. e2 is an ISO accredited company holding ISO 9001, 14001 and OHSAS 18001.