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the cold-trades journal

Finding HVAC, aircon and refrigeration work with data

Plain-English articles on turning public building data into booked jobs. No fluff.

A modern commercial office tower with a reflective glass facade.
7 min read
What is a NABERS rating? Australia's building energy rating, explained

A NABERS rating is Australia's measured building energy rating, from half a star to six. Here is what it means, how the star scale works, who needs one, how to look one up, and why a low rating is the clearest signal of old, money-wasting HVAC.

An industrial HVAC chiller plant inside a modern commercial facility.
Why a 2-star building is a goldmine for HVAC contractors
4 min read
A white letterbox on a brick wall in an Australian suburb.
How commercial HVAC contractors find retrofit jobs without cold-calling
4 min read
A tied bundle of letters and mail on a desk.
Direct mail, letterbox drops and flyers: what actually works for trades
5 min read
A stocked commercial refrigerated display cabinet full of drinks.
How to find commercial refrigeration work: cool rooms, supermarkets and more
5 min read
Drone view of an Australian suburb of detached houses with tiled roofs.
How air-conditioning installers find work in Australia's hottest suburbs
5 min read
An industrial HVAC chiller plant inside a modern commercial facility.
When is a commercial chiller due for replacement, and how to find those buildings
6 min read
An HVAC technician repairing an air conditioning unit on a rooftop.
Marketing for tradies: how to get more jobs without cold-calling
6 min read