Matthew Henry Presbyterian @wholebiblehenry

Here is, I. Hezekiah's age when he came to the crown. He was twenty-five years old. Joash, who came to the crown after two bad reigns, was but seven years old; Josiah, who came after two bad reigns, was but eight, which occasioned the delay of the reformation; but Hezekiah had come to years, and so applied himself immediately to it.

Commenting on 2 Chronicles 29:1-11

Geneva Bible Notes Reformed @genevanotes

And Ahaz slept with his fathers, and they buried him in the city, [even] in Jerusalem: but they brought him not into the sepulchres of the kings of Israel: and Hezekiah his son reigned in his stead. (q) They did not bury him in the city of David, where the sepulchres of the kings were.

Commenting on 2 Chronicles 29:1-2

Adam Clarke Methodist @methodicalclarke

He did that which was right - See the note on Kg2 18:3.