AES Hearth & Patio specializes in custom hearth design of all kinds, for both indoor and outdoor living applications. What makes AES the Specialty Hearth Shop of Choice in south central Pennsylvania? AES’s hearth and patio professionals are solution providers, and will be with you each step of the way from custom project design, to installation and service. Your purchase is a system, whether it is a fireplace, fire pit, stove or furnace. AES ensures that the system, while visually appealing to provide comfort, also works properly, safely and meets the customer’s satisfaction.