The best energy rating is a 10-star rating. However, it is very expensive to achieve a 10-star rating. NCC 2019 requires a building to achieve at least a 6-star rating and NCC 2022 requires a 7-star rating.
The best energy rating is a 10-star rating. However, it is very expensive to achieve a 10-star rating. NCC 2019 requires a building to achieve at least a 6-star rating and NCC 2022 requires a 7-star rating.