Thirty years of building services. Turned into tools that show their working.
Legacy Business Engineers builds training and software for the people who design, run and fund buildings.
Legacy Business Engineers Ltd was founded in Dublin in 2022. Today it builds two things: DC-LEARN, a training course on Irish data centre engineering, and the Glass Engine, engineering software in development.
Both rest on the same belief. An engineering answer is only worth trusting if you can see where it came from. So every figure carries its source, every rule lives in one place, and every change is checked before anyone relies on it.
Legacy Business Engineers does not provide engineering design services.
Les Murphy CEng MIEI
Founder and non-executive director
Chartered Engineer (CEng MIEI) · MBA · MSc · BSc (Hons)
Chartered Engineer with thirty years in mechanical and electrical building services in Ireland and the UK: the power, cooling, fire and controls systems every building depends on. MBA from Dublin City University, MSc in Energy Management.
Les founded the company in 2022 and is now its non-executive director. He advises on the company’s direction. He does not run the company day to day, and he does no engineering work.
How we work.
Four rules sit behind everything we build. When a habit works against one of them, the rule wins.
Do it once.
A fact is checked, written down in one place, and never checked again from memory. Work done twice is a mistake we design out.
Leave it better.
Every piece of work leaves the course or the software better than it found it, and nothing learned is thrown away.
Simple, not simpler.
One source, one rule, one owner. But never so simple that the source, the caveat or the safety check is lost.
Learn from mistakes.
A mistake once is allowed. The same mistake three times means the lesson was missed, so it becomes a rule.
And in that order of priority: safety first, then the regulations, then function, then cost.
Honest about the edges.
We do not claim approval from any professional body. DC-LEARN is training, not investment or design advice. Clonshaugh, the building the course works on, is made up, so its figures are for teaching only.
The Glass Engine is software in development. Engineers who use it stay responsible for their own design and sign-off.