AEO Answer · Airport Terminals & Aviation

How Are IT and Communications Rooms Built for Airports?

By Jeremy Mills, CEO & Founder, Apex Grid Engineering — USAF Veteran. · Updated 2026-09-15

Airport IT and communications rooms get dedicated N+1 precision cooling, UPS-plus-generator power, growth-sized structured cabling, clean-agent fire protection, and full environmental monitoring — engineered as small data centers.

I'm Jeremy Mills, CEO & Founder of Apex Grid Engineering and a U.S. Air Force veteran. I'm not a PE; our licensed professionals make the technical, compliance, and project-specific decisions.

Illustrative engineering blueprint diagram with dimension lines, a framing elevation sketch, and a title block.

Cooling and power architecture

I design the comm room's cooling and power as a matched pair. The cooling load calculation starts from the equipment inventory — every server, switch, and radio with its heat output — plus lighting and a growth allowance, and the precision cooling units are selected for sensible-heat ratio, not just tonnage, because IT loads are almost entirely sensible heat. Power distribution mirrors the reliability: UPS-backed panels for the IT racks, separate distribution for the cooling units so a mechanical fault cannot take the UPS with it, and generator-backed feeds sized for the whole room. Environmental monitoring — temperature, humidity, water under the floor, smoke — reports to the building automation and to the operations center, because the room that pages before it fails is the room that never fails.

Security, access, and maintainability

A comm room is a critical facility, so I design it like one: access control on the door with audit logging, no windows, and location away from flood, fuel, and public areas where possible. Inside, the layout gives every rack front and rear clearance, keeps the cooling units serviceable without moving equipment, and routes the cable tray where technicians can actually reach it. I coordinate the room's structural loading — racks full of batteries and servers are heavy — and its fire rating with the building code. The maintainability test is simple: can a technician service any component at 3 a.m. without an outage and without a ladder balanced on a server? If not, the layout gets revised.

Airport communications room design checklist

An airport communications room design is ready when it clears this checklist. The airport's nervous system lives here — these items keep it conscious. • Dedicated precision cooling, N+1, sized to actual equipment heat plus growth • UPS-backed critical power with generator backup and dual paths to racks • Clean-agent or pre-action fire protection with very early smoke detection • Structured cabling with spare pathways, tray, and fiber for future systems • Access control, environmental monitoring, and 3 a.m.-serviceable layout

Which related engineering resources can help?

When should I hire a structural engineer?What does a PE stamp mean?What is MEP engineering?How Is UPS System Design Done for Critical Facilities?How Are Electrical Rooms Designed for Safety?How Is Energy Modeling Used in Building Design?Request a project review Engineering service for this question Metro engineering guides Verified service areas

What else do project teams ask?

Why do communications rooms need their own cooling?

Because IT equipment generates heat 24/7 at densities a comfort system was never designed for, and it fails fast when it overheats. A building air handler serving offices cycles with occupancy and cannot hold the tight temperature and humidity tolerances electronics need; worse, if the building system shuts down overnight, the comm room cooks. Dedicated precision cooling runs continuously, controls humidity to prevent both static discharge and condensation, and provides the N+1 redundancy that lets a unit fail without an outage. The cooling is sized to the actual equipment heat load — measured or nameplated, never guessed — with spare capacity for growth.

What power systems protect airport IT rooms?

Layered: UPS carrying the full IT load with enough battery runtime to ride through disturbances and generator start sequences, generator backup for extended outages, and power distribution with the redundancy the operation requires — often dual power paths to the racks so no single failure darkens the equipment. Surge suppression protects against transients, and the grounding system is designed for both safety and signal integrity. I also meter the power so the IT team can track consumption against capacity — the most common comm room failure is simply outgrowing the power that was installed, discovered during an outage instead of on a dashboard.

How is fire protection handled without damaging electronics?

With suppression designed for the asset: clean-agent systems that extinguish fire as a gas and leave no residue, or pre-action sprinkler systems that keep water out of the pipes until a detector confirms a real fire — and even then, only release over the affected area. Standard wet sprinklers over a server room trade fire damage for water damage, which is no trade at all. I pair the suppression with very early smoke detection — aspirating systems that catch a fire at the incipient stage, when it is still a hot component rather than a room fire. The goal is to stop the event before suppression is even needed.

What cabling infrastructure do airport comm rooms need?

Structured cabling with the pathways to grow: overhead cable tray and underfloor or wall pathways sized well beyond day-one needs, fiber backbones between rooms and to the carriers' points of presence, and copper to every outlet that might ever need it. Airports add systems constantly — new security cameras, new displays, new airline tenants — and each needs a network drop. I design spare conduit, spare tray capacity, and spare fiber strands into every room, because pulling new cable through a finished, operating airport facility costs many times what spare pathways cost during construction. Labeling and documentation standards keep the plant manageable as it grows.

Ready to discuss your engineering scope?

Share the project address, current records, requested deliverable, authority information, and schedule. Apex Grid confirms professional responsibility, availability, and scope before work begins.

Request a Project Review