Energy and renewables
Annual building energy demand
Calculates annual building energy demand from reference floor area and specific indicators for space heating, space cooling, domestic hot water, and other uses.
Related calculators
Room heat load from area
Estimates room heat load from floor area and a user-provided load index.
Room cooling load from area
Estimates room cooling load from floor area and a user-provided load index.
Cooling energy from power and time
Calculates cooling energy from cooling power and time using the same relation as the thermal calculator.
Energy savings
Simple estimate calculator for energy savings as baseline energy minus new energy.
Electrical energy consumption estimate
Estimates daily and annual site electricity consumption from installed power, average utilization, operating hours per day, and operating days per year.
Battery C-rate
Simple estimate calculator for C-rate from user-provided current and Ah capacity.