Schantz Home Improvement Cares! Every time a customer leaves feedback, we listen. To gather real customer feedback, we use our independent review platform: We Love Reviews. Read below what some of our customers had to say about Schantz Home Improvement in Atlanta, Georgia. You can use the form below to leave your own review. If you are not 100% satisfied with your experience, please contact Greg Schantz help resolve the situation call 404-522-4663.