About me: When your AC or heating unit needs service, call the best heating and air conditioning repair in Durham NC. Usually we can have you up and running again the same day. We will always focus on repair if possible, but never at the expense of our customer’s safety. Contact Hay’s Heating and Air Conditioning in Durham, NC today, for full peace of mind. We’re a family-run business, with a well-earned reputation for honest, dependable and reliable service.