Air conditioner service and repair is one of the best, most cost-effective ways to stay cool in the summer and keep your system running at full capacity. No job is too big or small, and we deliver 100% customer satisfaction on every project. So when you need air conditioner service or repair work for a single unit or house, our highly trained and experienced contractors will provide the speedy, high-quality service you can depend on with AT Harris AC and Heating. On the 4th of July our heat pump quit.