Building Energy Rating (BER)
A building energy rating is a rating on the overall energy efficiency of a building(residential or commercial). The rating is similar to the energy label on your fridge and is denoted on scale of A to G, with A1 being the most energy efficient and G being the least energy efficient. BER Certificate.
A Building Energy Rating or BER is an energy label with accompanying advisory report for homes. The rating is a simple A to G scale. A-rated homes are the most energy efficient and will tend to have the lowest energy bills.
The following building categories are exempt from BER, as permitted by the EPBD: national monuments; protected structures; places of worship or buildings used for the religious activities of any religion; … stand alone buildings with a small useful floor area (less than 50m2).
Information source: seai.ie