DIMS Engineering Suite Cloud Calculation Software
Professional HVAC & Building Physics Tools

Interactive Engineering Simulation Suite

Real-time thermodynamic, psychrometric, and hydraulic modeling engines designed for consulting engineers, building owners, and MEP designers implementing high-efficiency radiant cooling and decarbonized buildings.

EN 1264 / EN 15377 (Radiant) ISO 7730 / ASHRAE 55 (Thermal Comfort) ISO 15686-5 (Life Cycle Costing) Singapore Green Mark 2021 (SLEB)
⚙️
EN 1264 • EN 15377 • VDI 2073

Chilled Water Hydraulic Injection Simulator

Dynamic 2-way mixing injection circuit simulation with secondary circulation pump. Models primary (7°C) and secondary radiant supply flows, mixing ratios, valve authority, and pump head in real-time.

  • Live 2-Way PICV & Secondary Pump Flow Animation
  • Dynamic Mixing Temperatures & Differential Pressure
  • Radiant Ceiling, Floor & TABS Presets
Launch Hydraulic Simulator →
🌡️
ISO 7730 • ASHRAE 55 • Decoupled DOAS

Thermal Comfort & Psychrometric Simulator

Rigorous comparative microclimate physics engine comparing All-Air VAV vs. Hydronic Radiant + DOAS vs. Wrap-Around Heat Pipes. Calculates Fanger PMV/PPD, operative temperature, and plots live state points on an ASHRAE psychrometric chart.

  • Real-Time ISO 7730 Fanger PMV / PPD Calculations
  • Interactive ASHRAE Psychrometric Chart Mapping
  • Draft Risk (DR%) & NC 22 Acoustic Criteria Verification
Launch Comfort Simulator →
💰
ISO 15686-5 • ASTM E917 • Green Mark

Life Cycle Cost (LCCA) & Carbon Evaluator

Quantitative 25-30 year total cost of ownership (TCO) and net present value (ΔNPV) model. Evaluates Dual-Chiller Carnot lift efficiency (14°C vs 6°C), structural floor-to-floor height savings, and lifetime grid decarbonization.

  • 20–30 Year Discounted Cashflow & Payback Visualizer
  • Dual-Chiller Lift Thermodynamics & Structural Height Model
  • Multi-Currency Engine (SGD, USD, HKD, EUR, GBP)
Launch LCCA Evaluator →