Macquarie Park is a sprawling business and technology park of large corporate campuses and office buildings. Big floor plates mean big cooling loads, and the older buildings are strong retrofit candidates.

What the public energy register says about the commercial buildings in Macquarie Park (2113):
Pick a trade and we sort Macquarie Park worst-first for you. Each building gets a personalised piece of mail with your name on it.
New to this? Read what a NABERS rating tells you about a building's HVAC or why a 2-star building is a goldmine.
27 of 82 commercial buildings on the public energy register in Macquarie Park (2113) are rated 2.5 stars or worse, which is a strong signal of old, inefficient heating and cooling.
We sort Macquarie Park's buildings worst-first from the public NABERS and Commercial Building Disclosure register, then post each low-rated building a personalised card showing its rating and what an upgrade could save, with your name and a QR code.
Yes. The ratings are real, measured, and public, licensed for reuse (CC BY 3.0 AU). The mail is addressed to a role like The Facilities Manager, not a named person, which keeps it outside the Spam Act.
From $6 a piece, print and postage included. You approve every piece before you pay, and you can start with a single building.
More in NSW: Sydney CBD · North Sydney · Parramatta · Chatswood · St Leonards · Surry Hills · all cities
Counts from the public NABERS / Commercial Building Disclosure register, CC BY 3.0 AU. Aggregate figures only, building identities are not shown.