R & M Climate Control Service Experts in Knoxville, Heating Or Cooling, Submit Feedback We’re constantly taking notes from our customers and truly appreciate your feedback. When you submit feedback, it allows us to better support you and learn what you already like. It also lets us know where we can be better. We look forward to hearing from you to make an even better heating and cooling experience. If you need to submit feedback, just fill our this straightforward form.