How much energy can you get from your heliostat?
Here is a calculator. Please center the map on the building to brighten.
Azimuth of the target to lighten as seen from the heliostat location (compute it with the tool
available on the map) (press escape to quit the tool):
Elevation above (+) / below (-) horizon of the target to lighten as seen from the heliostat location (= vertical distance/horizontal distance*45) :
Outside temperature under which you start to heat your accomodation:
Take into account the accomodation's thermal inertia (consider temperature of day-1 and day-2)
Transmissivity of your glazing to the solar light (g-value):
If you want to exclude a summer period during which your heater is usually switched off (leave empty otherwise):
Date from which you usually switch your heater on:
Date from which you usually switch your heater off:
Your accomodation is heated with:
Price of your energy:
This computation uses the typical meteorological year of the PVGIS 5.2; CO2 estimations for electricity comes from an average on 2019 ; Mean daily temperature ; Glazing transmissivity; Others estimations; Energy content of each energy; Boilers efficiency.