What are the formal qualifications for someone who wishes to serve in the House of Representatives? How do those compare with the e qualifications for serving in the senate

For the Senate you have to be at 30, have 9yrs of citizenship, and have residency in place of election.

For House of Representatives you have to at least 25, have 7yrs of citizenship, and residency in place of election.

So the things that are different are age, and years of citizenship.