R & J Ertel Inc has been serving Lycoming County and surrounding areas since 1972. We service Residential, Commercial and Industrial Clients including Sales, Service and Installation on All Makes and models. Air Conditioning, Heating, Heat Pumps, Plumbing, Sheet Metal Manufacturing and Geo Thermal Systems. In addition, we provide engineering and design for Residential, Commercial and Industrial Clients. Providing 24 Hour Emergency Service along with Free Estimates. Call us today!