Clay Hastings, National HVAC Service's, Plumbing Division Manager, has over 30 years  experience in the residential and commercial plumbing industry. He is an Eastern shore native originally from Milford, DE. Clay holds a master plumbing license for both Delaware and Maryland. He takes great pride in doing and overseeing quality plumbing work. Clay is focussed on continuing the excellent commercial and residential plumbing services that National has provided for years.