140 Tools16 Categories<50ms Latency
Awaiting inputs
Enter parameters to see results
- Building Heat Loss & Insu…Estimate heat loss watts from envelope area, ΔT, and R-value.
- Home Insulation SavingsEstimate annual heating and cooling savings from upgrading wall insulation and windows—before/after energy use and efficiency score.
- LED Savings & ROICompare legacy bulb vs. LED costs, CO₂ savings, and payback time for a single fixture.
- Smart Thermostat SavingsHVAC kWh reduction from setback schedules and seasonal rates.
- Window Solar Heat Gain (S…Cooling load from glazing SHGC, area, and sun exposure.
- Microgrid ROIBreak-even timeline and 10–20 year returns for solar, storage, and on-site generation microgrids.
- BESS Round-trip Carbon CostEstimate annual kg CO₂ from battery round-trip conversion losses and compare grid charging vs. renewable charging.
- Solar Water Heater Effici…Estimate thermal efficiency, absorbed kWh, and electric heating savings from tank volume, ΔT, sun hours, and collector area.
- Small Wind Turbine YieldEstimate rotor power (W), daily kWh, and annual energy from blade diameter, average wind speed, and system efficiency.
- Standby Power AggregatorAdd TVs, chargers, consoles, and adapters to see total vampire power cost and what you could buy instead.
- Electricity Bill EstimatorEstimate your bill from total kWh usage and rate per kWh.
- Energy ConsumptionEstimate total kWh from watts, hours per day, and number of days.