The 1st international conference Environment & Energy in Ships (EEinS 2015) coorganized by ASHRAE, the Hellenic Navy, the Technical Chamber of Greece (TEE) and the ASHRAE Hellenic Chapter took place in May 22-24, 2015 at the facilities of the Yacht Club of Greece and the Hellenic Naval Academy. The highly successful conference, relevant to both military and commercial ships, was attended by several members of our institute some of which presented technical papers.