Brisbane's CBD is Queensland's commercial core, a river-bend of office towers in a subtropical climate where cooling load is relentless. Older towers here work their HVAC hard year-round.

What the public energy register says about the commercial buildings in Brisbane (4000):
Pick a trade and we sort Brisbane 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.
32 of 141 commercial buildings on the public energy register in Brisbane (4000) are rated 2.5 stars or worse, which is a strong signal of old, inefficient heating and cooling.
We sort Brisbane'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 QLD: Fortitude Valley · South Brisbane · Milton · Gold Coast (Southport) · Townsville · all cities
Counts from the public NABERS / Commercial Building Disclosure register, CC BY 3.0 AU. Aggregate figures only, building identities are not shown.