Pleiades is a powerful user-friendly software environment for building eco-design. It is provides dynamic energy simulations (COMFIE), daylighting and natural ventilation simulations, regulations compliance, HVAC sizing and consumption, etc.

National free web-based for assessing the physical and structural energy efficiency of commercial and multifamily residential buildings. Asset Score generates a simple energy efficiency rating that enables comparison among buildings, and identifies opportunities to invest in energy efficiency upgrades.

FREE bin-weather modeling software provide accurate energy savings and penalties within seconds through your browser. Easier than complex whole-building models and more precise than typical calculations, the user is provided with 8,760-hour energy conservation calculations that specify annual kWh savings, heating fuel savings, total MMBtu savings, and cost savings in an quick, useful format useful enough for high level energy audits and rebate programs. Also offered are energy benchmarking software (Energy-Gauge) and utility bill analysis software (UBER-Verify).

DEXMA Analyse is a Cloud-based energy management solution that gives users real-time visibility of their entire energy usage constellation – regardless of distribution, complexity or size – so they can leverage data to identify and prioritise savings opportunities. DEXMA Analyse communicates with your system of meters and devices and can be integrated with your hardware easily.

Tas is an industry-leading building modelling and simulation tool, capable of performing fast dynamic thermal simulation for the world’s largest and most complex buildings, and allows designers to accurately simulate daylighting and predict energy consumption, CO2 emissions, operating costs and occupant comfort (http://www.edsltas.com).

Tas is a complete solution for the thermal simulation of a building and a comprehensive tool for modelling HVAC and systems using it’s graphical and component based analysis. Tas is a powerful design tool in the optimisation of a buildings environmental, energy, and comfort performance. Tas has a two-way link to EnergyPlus and EnergyPlus based tools via IDF, and can also import gbXML and INP from 3rd party programs. There are also customisable report generation facilities.

Tas allows full automation available through its fully open API. This enables users to create automated worksflows, for example quick parametric simulations can be carried out. The automation inteface (VB.NET, C#, VBA) allows you to make any changes to the model, export, simulate or extract results from any application within Tas.

Tas simulations are multicore enabled, allowing users to simulate multiple buildings at the same time such as Appendix G ASHRAE 90.1 Proposed and 4 Baseline buildings all at the same time or your UK building regulations Actual, Notional, and Reference buildings..

The Tas suite also comes with a host of utilities for regulatory analysis (UK Building Regulations Studio, ASHRAE 90.1 Studio etc.). Along with the regulatory studios Tas includes utilities for natural ventilation turrets, sun pipes, phase change materials amongst others. HVAC manufacturer data is also available in Tas Systems and can easily be imported.

Traditional CFD packages are notoriously difficult to use as they are used to analyze a wide range of problems. Ambiens 2D is different. Ambiens 2D is a CFD package with a very specific purpose – modeling airflow in buildings, and as a result, it’s incredibly user friendly. Monthly and Annual Subscriptions available for commercial use.

e!Sankey is a software solution for creating appealing Sankey diagrams depicting energy flows.

Simulation software reinvented for the web. SimScale offers CFD, FEA, and thermal simulation software transformed from a desktop application into an online platform.

The REopt™ Lite web tool allows commercial building managers to evaluate the economic viability of grid-connected PV, wind, and battery storage at a site, identify system sizes and battery dispatch strategies to minimize energy costs, and determine resilience in a grid outage.

Simulation model of a building HVAC mechanical system plus HVAC controls, the building shell, the heating/cooling plant, and energy management and control system algorithms.