GasCalc Insights

Technical breakdowns, regulatory updates, and expert tips for plumbing and gasfitting professionals in Australia and New Zealand.

Featured Article

Warehouse Vent Dilution Test
GasCalc Special Guide

AS/NZS 5601.1:2022

Standards 5 min read

The 1000m³ Limit: Why a Massive Warehouse Still Fails the Breather Vent Test

Demystifying AS/NZS 5601.1 Clause 5.11.5.7 and the engineering logic behind the 1000m³ cap on indoor breather vent dilution calculations.

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GasCalc Team

May 29, 2026

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Recent Articles

Start Gas Rates
Type B Industrial 6 min read

Start Gas Rates: Why We Calculate

An engineering breakdown of Start Gas Rates in Type B industrial appliances, exploring delayed ignition risks, pre-purge rules, and the three AS 3814 compliance methods.

May 29, 2026 Read Post

Fast, Compliant Gasfitting Calculators

Say goodbye to thumbing through code books. Calculate pipe sizes, venting limits, tightness tests, and purging volumes in seconds from any site device.