Everyone at CDO is professional, knowledgeable, courteous and efficient. We had a major project (encompassing both heating and A/C) done with them and the end result was amazing. Every day our house was left as clean as if it was their own, which was really appreciated. Opinions were given in our best interest to make sure we got what we needed done while being the most cost effective. Communication was on point throughout the entire project, which made the week that they were here go by seamlessly. I cannot recommend this company enough!