Lenovo's 15.6-incher has a Tiger Lake processor on board, it barely warms up, and it only produces a small amount of noise. Windows 10 Home in S mode serves as the operating system (an upgrade to Windows 11 is possible). The purchase price is 399 Euros (~$453).
https://www.notebookcheck.net/Lenovo-IdeaPad-3-15ITL05-Quiet-affordable-office-laptop.599720.0.html