Ahaz was twenty years old when he became king, and he reigned in Jerusalem sixteen years. Unlike David his father, he did not do what was right in the eyes of the LORD.
References for 2 Chronicles 28:1
He followed the ways of the kings of Israel and also made idols for worshiping the Baals.
References for 2 Chronicles 28:2
He burned sacrifices in the Valley of Ben Hinnom and sacrificed his children in the fire, engaging in the detestable practices of the nations the LORD had driven out before the Israelites.
References for 2 Chronicles 28:3
He offered sacrifices and burned incense at the high places, on the hilltops and under every spreading tree.