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G&G Controls, The Panel People

Knowledge hub

BMS panels, signals and building services controls

For integrators, M&E contractors and anyone specifying controls in a building.

Free-issue controllers: how it works and what we need from you

Sending your own Trend, Distech, ISMA or Tridium controllers to be fitted into a panel: what to send, when, how it is labelled and tested, and who is responsible for what.

14 August 2026 · 4 min read

What's inside a BMS outstation panel

Power supplies, surge protection, a network switch, the controller and the terminals: what each part of a BMS panel does, and why the bits around the controller matter as much as the controller.

7 August 2026 · 4 min read

How to write a BMS points list that gets an accurate quote

A points list is the one document that turns a BMS panel enquiry into a price and a drawing. What to put in it, what to leave out, and a template to start from.

31 July 2026 · 4 min read

Data centre cooling for Vera Rubin, Nvidia's new CPU and GPU platform

NVIDIA’s Vera Rubin platform shifts data center cooling toward high‑temperature, fully liquid systems that can often run without traditional chillers, using warm‑water direct‑to‑chip loops and dry (or hybrid) coolers instead of big mechanical plants. And when we say warm water, we mean 45 °C flow,

27 March 2026 · 4 min read

Analogue vs. Digital Signals

In modern building services and control systems, you'll encounter two fundamental types of signals: analogue and digital.

27 February 2026 · 3 min read

Building Management Systems (BMS): what are they and how do they work

There are many different systems in modern buildings such as the heating, cooling, clean water, wastewater and many other elements that need monitoring to ensure they work, errors are fixed and excessive consumption is limited. This is done using a BMS system. What is a Building Management System

25 July 2025 · 10 min read

Cutting BMS panel build times by 50%

Our BMS clients have told us that two things are super important to them: getting a drawing very quickly and then getting the panel delivered to site fast.

7 February 2025 · 2 min read

Got a project, or just need a quick answer?

Tell us what the panel has to do and we will come back with a price and a lead time. Existing accounts: reorders and spares go through the same form.