Chapter 5 — NONRESIDENTIAL AND HOTEL/MOTEL OCCUPANCIES—

Section 140.9 — PRESCRIPTIVE REQUIREMENTS FOR COVERED PROCESSES

2025 California Energy Code (Title 24, Part 6) · 2025 edition · ingested 2026-07-07 · California

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(a) Prescriptive requirements for computer rooms. Computer rooms with a power density greater than 20 W/ft [2] shall comply with this section. 1. Economizers. Each individual cooling system primarily serving computer room shall include either: A. An integrated air economizer capable of providing partial cooling even when additional mechanical cooling is required and capable of providing 100 percent of the expected system cooling load at 65°F to 80.6°F supply air temperature at outside air temperatures of 65°F dry-bulb and below or 50°F wet-bulb and below, and be equipped with a fault…