METHOD FOR DETERMINING AN ENERGY EFFICIENCY OF A PIECE OF REAL ESTATE

摘要

A method for determining an energy efficiency of a piece of real estate, which includes: determining a volume flow and a first temperature of a heat transfer medium, which flows from at least one heating device to at least one heat transfer device; determining at least one second temperature in the piece of real estate with the aid of at least one temperature sensor; and calculating an energy efficiency of the piece of real estate based on the volume flow, the first temperature and the second temperature.