Installation Authority is an information and reference resource focused on construction installation in the United States. Part of the Authority Network America (ANA), it organizes guidance and source material for readers navigating the codes, permits, licensing rules, safety requirements, and project practices that shape installation work. Its coverage spans contractor selection and credentials, contracts, subcontracting, bidding, cost estimating, scheduling, material handling, prefabrication, and project sequencing.

The site provides topic pages across a wide range of trades and building systems, including electrical, plumbing, HVAC, mechanical, low-voltage, access control, elevator, fire suppression, and solar installations. It also covers structural and building-envelope work such as steel, precast concrete, roofing, insulation, windows, doors, curtain walls, and acoustic systems. Additional subjects include OSHA compliance, green building and LEED standards, quality control, warranties, defects, closeout documentation, and retro-commissioning.

Installation Authority offers code and licensing references, searchable code records, trade-code resources, and a provider network with listings. Its editorial features include sourced articles, official feeds, source updates, corrections, and opportunities for reader contributions.