Environmental & Energy Engineering Calculators
Free environmental and energy engineering tools for water treatment, air emissions, renewable energy, building efficiency, storage, grid systems, waste, and lifecycle analysis.
Explore Environmental & Energy Engineering
Use interactive tools for environmental systems and energy engineering, including water and wastewater treatment, air quality, renewable generation, building energy, storage, grid behavior, waste, and lifecycle assessment.
The collection focuses on transparent screening calculations and educational models, with assumptions and limitations shown alongside each result.
Common topics
- water treatment
- wastewater
- air emissions
- solar and wind energy
- building energy
- battery storage
- grid systems
- life-cycle assessment
Environmental & Energy Engineering tools
Open a calculator, simulator, visualizer, or reference workbench.
Air Quality & Emissions Workbench
Calculate emissions, control efficiency, stack flow, screening dispersion, particle settling, ventilation, and indoor-air concentrations.
Open tool
Building Energy & Efficiency Workbench
Estimate envelope heat transfer, insulation, infiltration, degree-day energy, HVAC, lighting, solar gains, EUI, heat recovery, and payback.
Open tool
Energy Storage & Grid Systems Workbench
Analyze batteries, charging, efficiency, degradation, pumped hydro, thermal and flywheel storage, peak shaving, grid losses, and microgrid balance.
Open tool
Environmental & Energy Reference Center
Search detailed environmental and energy equations, parameters, design guidance, examples, units, and limitations.
Open tool
Environmental Systems & Mass Balances Workbench
Analyze pollutant loads, mixing, retention, decay, reacting tanks, accumulation, population, screening risk, and operational carbon inventories.
Open tool
Renewable Energy Systems Workbench
Estimate solar PV and thermal, wind, hydro, geothermal, biomass, annual generation, capacity factor, portfolios, and simplified LCOE.
Open tool
Solid Waste & Life-Cycle Workbench
Analyze waste generation, diversion, landfill capacity, methane, energy recovery, composting, transport emissions, recycling credits, and lifecycle totals.
Open tool
Water & Wastewater Treatment Workbench
Calculate sedimentation, detention, BOD removal, disinfection, activated-sludge loading, SRT, oxygen, sludge, and filtration quantities.
Open tool