I'm very grateful to have found this company! They went above n beyond changing ducts in attic.Im a tough customer, I get deep into research of co.'s, n estimates! I had a lot of questions n every single one answered n learned a lot about maintenance, n was very impressed! I have COPD, n was given ways to clean air better w/ new thick filter, n alternatives to get rid of viruses in air, very impressive! Have other properties and definitely Deep South will be the only one I'll call. No need to look further, co. Is solid n fair!