1)
What is the significance of closing the doors of the Heichal?
1.
Malbim: They totally abolished Avodas Hashem. This was Achaz' ultimate evil.
2)
What do we learn from "v'Olah Lo He'elu va'Kodesh lEi'lokei Yisrael"?
1.
'Rashi': They did offer to other gods - they made Bamos in every city to burn offerings to them.
