Jamestown Distributors TV: Marine Air Conditioning Installation Part IV. In part four of this episode from Ship Shape TV, John's in the engine room talking about a/c maintenance. You can find marine air conditioning related products at http://www.jamestowndistributors.com/userportal/search.do?freeText=air%20conditioning&page=GRID. Visit http://www.jamestowndistributors.com for all your project needs.