He is not impeached until the House delivers articles to the Senate. Which they will not do.
This is all about confusing low information voters.
But the house expressly resoloved to exhibit the articles to the senate.
(House Resolution 755, One Hundred Sixteenth Congress, First Session)
Resolved, That Donald John Trump, President of the United States, is impeached for high crimes and misdemeanors and that the following articles of impeachment be exhibited to the United States Senate: