Integrated Environmental Solutions (IES)

15/06/2026

🚀 Achieving 99% Simulation Accuracy—Is Your Model This Close to Reality?

Energy modelling teams are under increasing pressure to prove performance, de-risk HVAC investment, and bridge the gap between design and operation.

RDT Engineers used IESVE to deliver a high-fidelity digital twin for a complex university facility—achieving within 1% accuracy against real-world data. By combining detailed HVAC modelling, real-time data alignment, and automation, RDT transformed theoretical design into a verified, operationally accurate digital twin.

✅ Validate HVAC performance with confidence
✅ Align simulation with post-occupancy reality
✅ Secure LEED, BREEAM & KREEAN certification
✅ Reduce risk across complex, multi-use environments

🔗 Read the full case study: https://bit.ly/4xvR75f

12/06/2026

💡 The Load Calculation Standard Most Engineers Haven't Read (But Really Should)

ASHRAE Standard 183 is now referenced in IECC & ASHRAE 90.1, making it a minimum requirement, not just best practice.

⚠️ Are your current workflows truly aligned with the standard?
Traditional methods and tools may fall short of key requirements, including:
✅ 3D solar interactions across all surfaces
✅ Dynamic thermal mass effects
✅ Hourly occupancy and load profiles
✅ Full system-level load considerations

“The practical answer for most teams is not necessarily to abandon existing workflows entirely, but to understand where those workflows fall short relative to the standard, and to adopt tools that close the gap without requiring a wholesale change in how projects are delivered.” Nathan Kegel

📖 Read the full Engineered Systems News article to discover what Standard 183 really requires:
https://bit.ly/4uuhRjS

11/06/2026

⚡ Are your early-stage models keeping pace with AI-driven data centre demand?

With AI-driven demand pushing data centres to new limits, traditional approaches simply aren’t enough — early-stage, whole-system modelling is becoming essential to reduce risk and accelerate delivery.

In this guest blog, Gary O’Keeffe of Ethos Engineering, shares a real-world perspective on why fast, credible insight at the earliest design stages is now critical:
✅ Align airflow, loads, and temperature behaviour in one model
✅ Eliminate non-viable design options earlier
✅ Make faster, more confident decisions under pressure
✅ Optimise upgrades and focus investment where it delivers for retrofits and expansion projects

📖 Read the blog: https://bit.ly/4vFr2iv

10/06/2026

🏢 From Energy Audit to Net Zero Roadmap – Kildare County Council HQ

How do you turn a complex public sector building into a high-performance, low-carbon asset?

IES helped Kildare County Council develop a data-driven decarbonisation strategy for their 12,500 m² headquarters—identifying:
✅ Immediate, no-cost energy savings
✅ A clear pathway to eliminate fossil fuels
✅ A retrofit strategy capable of cutting carbon emissions by up to 80%

Using advanced simulation and operational analytics, the project delivers a practical, de-risked route to Net Zero—while ensuring occupant comfort and full regulatory compliance.

🔍 Explore how intelligent modelling and real-time insights can unlock measurable results for your buildings.
👉 Read the full case study https://bit.ly/4g6Snp4

08/06/2026

🚀 A Crash Course on Load Calculations
🎙️ ASHRAE Journal Podcast Episode 60 with IES' Nathan Kegel is now available

Load calculations underpin every HVAC design, yet small assumptions can lead to oversized systems, higher costs, and missed performance targets.

Join host Matt Price and Nathan Kegel as they discuss:
➡️ How load calculations tie into evolving ASHRAE standards
➡️ Why load calculations are a critical risk factor
➡️ How inputs, methods & ventilation impact outcomes
➡️ Practical ways to avoid oversizing and improve design confidence

💡 Better inputs = better outputs = better buildings
Listen now at https://bit.ly/43o5sTz

04/06/2026

🌍 We’re heading to some of the industry’s key events this June & July across North America, the UK, and Asia. Come and see how we’re helping drive better building performance and net zero outcomes.

👋 Let’s connect to see how IES can support your next project.

June 10–13 | Conference on Architecture & Design
📍 San Diego, CA, USA | Booth 1953

June 16 |
📍 Derby, UK | Stand E12

June 16–18 |
📍 Las Vegas, NV, USA | Booth 407

June 24–25 | Conference
📍 Halifax, NS, Canada | Booth 3
🎤 Join our roundtable on digital twins (June 24, 11am)

July 1 | CIBSE Technology & Innovation Conference 2026
📍 London, UK

July 7 | IES Live Session
📍 Singapore

🔗 View all events: https://bit.ly/4acU54z
🤝 Meet the team: https://bit.ly/4ejibwR

02/06/2026

02/06/2026

See how IBAK Hamburg used IESVE to model, optimise, and validate performance for PRIMUS Developments GmbH, for the multi-award winning project in Offenbach am Main, Germany - achieving DGNB GOLD (68.8%).

These requirements were met through:
🌡️Dynamic thermal modelling for extreme climate scenarios using TRYs
💡 Future-ready performance testing (2030 & 2050 climate scenarios)
☀️Daylight & visual comfort analysis (models for DF + UDI)
📊 Streamlined reporting workflows with Tableau integration

A powerful example of how integrated simulation supports compliance, clarity, and client confidence.

👉 Read the full case study: https://bit.ly/4uewwiR

01/06/2026

🏗️ We're at Digital Construction Week this week - and if you're heading to the Excel London, don't miss this one.

Colin Rees, Co-Head of Consultancy at IES, is taking to the Net Zero Stage this Wednesday to tackle one of the most pressing challenges in data centre design right now.

AI is pushing data centre rack densities up to 1MW, doubling global energy consumption and breaking the assumptions that traditional design methods were built on.

Colin's session will cover how physics-based dynamic simulation and Digital Twins are changing what's possible - including a hyperscale case study that achieved 95% water reduction and a PUE of 1.16.

📅 Wednesday 3rd June | 11:30–12:00
📍 Net Zero Stage | Excel London

If data centre sustainability is on your radar, this is worth 30 minutes of your time.

29/05/2026

🌎 One week to go - LEED v5 Explained: What Energy Modelling Teams Need to Know

LEED v5 raises the bar on performance — and energy modelling now plays a critical role in demonstrating compliance. If your team already works with LEED v4.1, the challenge has shifted from whether to model to how to use modelling evidence strategically to inform decisions, document outcomes, and reduce submission risk.

🎤 Join @ Tristan Truyens of IES and Carrizo of for a free live webinar focused on what LEED v5 means in practice for energy modelling teams working across North America.

✅ Key differences between LEED v4.1 and LEED v5
✅ Which LEED v5 credits rely on modelling — and what data is required
✅ Real-world project achieving LEED v4 Gold, with maximum energy points using IESVE

📅 Thursday, June 4 | 3pm EDT
👉 Register now to stay ahead of LEED v5 and strengthen your project strategy
🔗 https://bit.ly/3R00ycy