Within H₂O, several songs stood out for their impact and quality. Maneater, for example, became a resounding success, reaching the number one spot on the charts. Another track that resonated strongly was One on One, which demonstrated the duo's versatility. The way Hall and Oates constructed their songs, often collaborating on writing, allowed each track to have its own identity without losing the album's cohesion. The presence of Daryl Hall as lead vocalist and John Oates contributing with guitar and backing vocals created a rich and balanced sonic dynamic.
The album H₂O further solidified Daryl Hall & John Oates' presence at the top of the charts. They had six of their singles reach number one on the Billboard Hot 100, including tracks like Rich Girl, Kiss on My List, Private Eyes, I Can't Go for That (No Can Do), Maneater, and Out of Touch. Additionally, songs like She's Gone, Sara Smile, and You Make My Dreams became benchmarks of their style. The production of this record, along with the quality of the compositions, led to seven of their albums receiving platinum certification from the RIAA, and six gold, demonstrating a lasting reach and connection with their audience.