There is a strong commitment to environmental principles in the design of 999 Hay, which has been awarded 5 Star NABERS Energy rating and 5 Star Green Star - Office Design and As-Built (v3) ratings, representing Australian Excellence in environmentally sustainable design.

Part of this commitment includes:

  • High efficiency air conditioning using greenhouse friendly refrigerant to improve indoor air quality
  • Solar control to the eastern and western facades
  • High performance glazing to minimise solar heat loads on the western and eastern facades, whilst providing ample natural light
  • A sophisticated Building Management System that monitors and controls all mechanical and electrical services
  • Water efficient fixtures, movement sensors for lighting in toilets
  • Grey water recycling
  • Utilisation of lighting management systems
  • Proximity to public transport facilities, resulting in a lower employee reliance on private vehicles
  • Provision of tenant and visitor bicycle spaces and lockers
  • Employee shower and changeroom facilities