Mechanical (15)

Mechanical (15)
Code	Description
15080	Mechanical Insulation
15082	Duct Insulation
15090	Mechanical Restoration and Retrofit
15550	Breechings, Chimneys and Stack
15800	Air Distribution
15810	Duct
15860	Air Cleaning Device

For other relevant searches, you might want to try: MECHANICAL, Mécanique.

MasterFormat™ 2010:
(21) Fire Suppression
(22) Plumbing
(23) Heating, Ventilating, and Air Conditioning (HVAC)