20 bedrooms castle, 3000 m²

Vetralla, Viterbo (province)

Tuscia

What is the Energy Efficiency Rating?

The energy efficiency rating is a value expressed by letters ranging from A4 to G which indicates the energy quality and consumption of the building based on parameters such as the shape and climate zone in which it is located. The better the energy efficiency rating, the lower the energy consumption and cost of air-conditioning the building. Please note: buildings belonging to the same class can also have very different energy consumptions if the shape and climate zone are different.

What is the EPgl (Global Energy Performance index)?

The EPgl indicates how much energy is consumed so that the building or the building unit reaches comfort conditions, and is based on the energy services present and according to the type of property under standard use. The unit of measurement is kWh/m2 per year.