Service and Warranty Jonathan's Son, Inc. is proud to be the hands that carry out the warranties that our suppliers include with their products. Most products we install come with at least a one year warranty on labor and two year warranty on parts. Some drive train parts are guaranteed for five years. We will gladly provide service on your equipment beyond the warranty period, even equipment that we did not originally install. If you would like, we can provide a service contract to maintain your equipment to factory specification so you don't have to worry about it.