When a customer asks for an estimate for an A/C repair or air conditioning maintenance service, he or she is likely into knowing the labor cost. While some customers might be only after the price, others are interested in learning more about the work that will be done before using your service. Not only will it help them understand the expenses associated, but it also helps you, as the HVAC contractor, to better communicate the entire process. So what should you include in your HVAC estimate?