{"id":64957,"date":"2026-04-16T07:02:07","date_gmt":"2026-04-16T05:02:07","guid":{"rendered":"https:\/\/www.aivp.org\/bonnes-pratiques\/tallinn-estonia-has-a-museum-with-cooling-supplied-by-the-sea\/"},"modified":"2026-04-16T07:02:18","modified_gmt":"2026-04-16T05:02:18","slug":"tallinn-estonia-a-museum-cooled-by-bay-water","status":"publish","type":"bonnes-pratiques","link":"https:\/\/www.aivp.org\/en\/good-practices\/tallinn-estonia-a-museum-cooled-by-bay-water\/","title":{"rendered":"Tallinn (Estonia): A museum cooled by bay water"},"content":{"rendered":"<p style=\"text-align: justify;\"><span lang=\"EN-GB\">The&nbsp;<a href=\"https:\/\/meremuuseum.ee\/lennusadam\/en\/the-museum\/\" target=\"_blank\" rel=\"noopener\">Estonian Maritime Museum<\/a>, a beacon of knowledge and respect for the sea, was founded in 1935 in Tallinn by former captains and sailors. Its rich history of relocation culminated in 1981, when its main exhibition found a home in the 500-year-old Fat Margaret Tower in Tallinn Old Town. In May 2012, the Maritime Museum expanded with the opening of an additional exhibition space at the Seaplane Harbour. This expansion included the refurbishment of the Seaplane Hangars, which now houses artefacts such as the Lembit submarine, constructed in 1937 by the British Vickers-Armstrongs shipyard, a Short 184 seaplane, the Maasilinn ship (the oldest sunken ship found in Estonian waters), and various other authentic items including sail ships, boats, and naval mines.&nbsp;<\/span><\/p>\n<p>&#13;<\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">The hangars themselves could be considered part of the city&#8217;s maritime history, dating back to 1916\/1917.&nbsp;<a href=\"https:\/\/koko.ee\/projects\/old-new\" target=\"_blank\" rel=\"noopener\">KOKO architects<\/a>&nbsp;were assigned to refurbish the interior of the seaplane hangars as the broken-up cement domes needed to be insulated to protect the visitors and the museum pieces. In collaboration with Tallinn Technical University professor Karl &Otilde;iger, they devised a new way of heating the massive early 20th-century hangar. They utilised&nbsp;<a href=\"https:\/\/www.pipelife.com\/service\/news-and-projects\/2023\/seawater-heating-cooling-recently-built-district-in-norway-saves-millions-of-kilowatt-hours.html\" target=\"_blank\" rel=\"noopener\">seawater to warm up and cool down the domes<\/a>. By circulating seawater through a heat pump, it was possible to maintain a comfortable temperature of +17 degrees Celsius, even in the harshest winter conditions.<\/span><\/p>\n<p>&#13;<\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">Additional information<\/span><\/p>\n<p>&#13;<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/meremuuseum.ee\/lennusadam\/en\/the-museum\/\">Estonian Maritime Museum<\/a><\/p>\n<p>&#13;<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/koko.ee\/projects\/old-new\">KOKO architects<\/a><\/p>\n<p>&#13;<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.pipelife.com\/service\/news-and-projects\/2023\/seawater-heating-cooling-recently-built-district-in-norway-saves-millions-of-kilowatt-hours.html\">Seawater Heating and Cooling as seen and explained in Norway<\/a><\/p>\n<p>&#13;<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/doi.org\/10.1680\/ener.12.00016\">Goodier, Chris I., Ksenia Chmutina, Elliot Poulter, and Paul Stoelinga. &lsquo;Briefing: Potential for Seawater District Heating and Cooling in the UK&rsquo;. Proceedings of the Institution of Civil Engineers &#8211; Energy 166, no. 3 (August 2013): 102&ndash;6.<\/a>&nbsp;<\/p>\n<p>&#13;<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.jstor.org\/stable\/44215885\" target=\"_blank\" rel=\"noopener\">Mandel, Mans, and Oliver Orro. &lsquo;The Marvellous Reinforced Concrete Shells of Tallinn Seaplane Hangars in the Context of Early Concrete Architecture in Estonia&rsquo;, 2023.<\/a><\/p>\n<p>&#13;<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/doi.org\/10.1016\/j.energy.2023.127429\">Volkova, Anna, Igor Krupenski, Natalja Kovtunova, Aleksandr Hlebnikov, Vladislav Ma&scaron;atin, and Aleksandr Ledvanov. &lsquo;Converting Tallinn&rsquo;s Historic Centre&rsquo;s (Old Town) Heating System to a District Heating System&rsquo;.&nbsp;Energy&nbsp;275 (July 2023): 127429.<\/a>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The&nbsp;Estonian Maritime Museum, a beacon of knowledge and respect for the sea, was founded in [&hellip;]<\/p>\n","protected":false},"featured_media":72513,"template":"","ville-bp":[4192],"pays-bp":[4384],"organisme-bp":[4194],"engagement-bp":[4640],"class_list":["post-64957","bonnes-pratiques","type-bonnes-pratiques","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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