Home cleansing or blessing

Hey the house we are renting out is very toxic I guess a lot of drama and fighting me and my husband aren't ever involved but the aura is so dominant it put everyone in a bad mood a lot its lightened up since our friends moved out we love them to death but since they have been gone I will say the air seems lighter ..I just wanna bless my home or cleans it any idea I'm limited on  money and energery since I'm constantly working and taking care our our roommates mom who has demitia