Breakdown of Η ενεργειακή αναβάθμιση βελτιώνει το σύστημα θέρμανσης και ψύξης.
Questions & Answers about Η ενεργειακή αναβάθμιση βελτιώνει το σύστημα θέρμανσης και ψύξης.
Because it is an adjective agreeing with αναβάθμιση, which is a feminine singular noun.
- ενεργειακός = masculine
- ενεργειακή = feminine
- ενεργειακό = neuter
So in Η ενεργειακή αναβάθμιση, both words are feminine singular nominative.
Η is the feminine singular definite article, meaning the.
Here it goes with αναβάθμιση:
- η αναβάθμιση = the upgrade
Greek articles change for gender, number, and case, unlike English the, which always stays the same.
αναβάθμιση is a feminine noun. In this sentence it is the subject, so it appears in the nominative singular.
Its basic meaning is upgrade, improvement, or modernization, depending on context. In this sentence, ενεργειακή αναβάθμιση is a common phrase meaning something like energy upgrade or energy-efficiency upgrade.