Class 3530 - Steam, Air Conditioning Supply and Production of Ice

PSIC Class 3530 covers Steam, Air Conditioning Supply and Production of Ice. Current child subclasses include Steam, Air Conditioning Supply and Production of Ice. This four-digit layer is useful when comparing...

Level Class

Hierarchy depth 4/5

Children 1

Last verified 2026-10-21

Key facts

Code summary

Code 3530

Official title Steam, Air Conditioning Supply and Production of Ice

Version PSIC 2019

Source layer PSA / BSP

Parent 353 - Steam, Air Conditioning Supply and Production of Ice

Section D - Electricity, Gas, Steam and Air Conditioning Supply

Next step

Child codes

These are the next codes most users should open after this hub page.

35300

Steam, Air Conditioning Supply and Production of Ice

About this level

Practical summary

Class 3530 sits in the PSIC 2019 hierarchy under D Electricity, Gas, Steam and Air Conditioning Supply > 35 Electricity, Gas, Steam and Air Conditioning Supply > 353 Steam, Air Conditioning Supply and Production of Ice. This class usually fans out into more specific subclasses such as Steam, Air Conditioning Supply and Production of Ice. It is the level people use when they already know the activity family but still need the exact five-digit match.