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Specification Guides
About Us
Written by the people making these calls on site.
About Us
A Specification-Stage Resource, Not a Sales Pitch
Absolute Design Build is a specification-stage resource for builders, site supervisors, and project managers working on new residential builds across Sydney’s Hills District. We cover air conditioning specification, construction planning, and site preparation — from people who work on Hills District sites.
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Years Combined Site Experience
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Hills District Suburbs Covered
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Content Pillars
Building Somewhere in the Hills District?
Start with the pillar closest to your current decision — AC specification, sequencing, or site prep.
Why This Site Exists
Written for the decisions that matter on site
We’re not writing generic home-improvement content. Every guide on this site is aimed at a specific decision a builder or site supervisor has to make — before the next trade shows up, not after.
Suburb-Specific
We write for Hills District conditions — soil, overlays, and block sizes — not generic build advice.
Specification-Stage Focus
Guidance for decisions made before the trade shows up, not after — where the real cost of getting it wrong sits.
Written On Site
By a Head of Content and a working Site Supervisor — Gabrielle Ebsworth and Tom Radley.
Our Team
The People Behind Every Guide
We’re not a content mill. Every article is written by someone who’s actually made these calls on a Hills District site.
Gabrielle Ebsworth
Head of Content, HVAC & Build Specifications
Tom Radley
Site Supervisor Contributor