{"id":8380,"date":"2021-12-03T16:55:44","date_gmt":"2021-12-03T15:55:44","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=8380"},"modified":"2021-12-03T16:57:02","modified_gmt":"2021-12-03T15:57:02","slug":"renewables-and-energy-saving-in-free-coolers-and-evaporative-towers","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/en\/8380\/renewables-and-energy-saving-in-free-coolers-and-evaporative-towers\/","title":{"rendered":"Renewables and energy saving in free coolers and evaporative towers"},"content":{"rendered":"<p>Back to <a href=\"https:\/\/en.tempco.it\/infographics\/engineering-green\/\" target=\"_blank\" rel=\"noopener\"><strong>renewables and energy saving<\/strong><\/a> in applications involving second level energy, in other words thermal energy. After the video on <a href=\"https:\/\/www.tempco.it\/blog\/en\/8367\/energy-saving-with-inverters-in-refrigerating-groups\/\" target=\"_blank\" rel=\"noopener\"><strong>refrigerating groups<\/strong><\/a>, another field offering important and interesting opportunities in terms of energy saving are <a href=\"https:\/\/en.tempco.it\/solutions-en\/industrial-coolers-electroradiators\/\" target=\"_blank\" rel=\"noopener\"><strong>free coolers<\/strong><\/a> and <a href=\"https:\/\/en.tempco.it\/solutions-en\/cooling-towers\/\" target=\"_blank\" rel=\"noopener\"><strong>evaporative towers<\/strong><\/a>.<\/p>\n<p>These are cooling systems employed in case of industrial production processes requiring <strong>cooled water at temperatures above 30-35\u00b0 C<\/strong>. With such temperature levels it is possible to avoid the employ of <a href=\"https:\/\/en.tempco.it\/solutions-en\/chillers\/\" target=\"_blank\" rel=\"noopener\">refrigerating groups<\/a>, and thus eliminating the energy consumption related to <strong>compressors<\/strong> and the complicated refrigeration circuit, the use of freon and so on.<\/p>\n<p>Using free coolers, or <a href=\"https:\/\/www.tempco.it\/blog\/en\/8375\/energy-saving-with-dry-cooler-for-pharmaceutical-packaging\/\" target=\"_blank\" rel=\"noopener\"><strong>dry coolers<\/strong><\/a>, and cooling towers, every saving can be therefore implemented <strong>fans equipped with <a href=\"https:\/\/www.tempco.it\/blog\/en\/7214\/energy-saving-ec-motors-and-cooling\/\" target=\"_blank\" rel=\"noopener\">EC motors<\/a><\/strong>, with electronic control and <a href=\"https:\/\/www.tempco.it\/blog\/en\/7130\/free-cooling-for-heat-dissipation-in-inverter-testing\/\" target=\"_blank\" rel=\"noopener\"><strong>inverters<\/strong><\/a>. A sensing probe measures indeed the temperature of the water, and based on a predefined set-point it provides the adjustment of the power required to dissipate the right amount of energy to achieve the cooling task.<\/p>\n<p>In the past, the costs of EC motors and inverters were too high to justify the investment cost. Alternative energy saving solutions were thus employed, such as using <strong>multi-fans installments<\/strong> with stepped functioning, partializing the number of functioning fans and limiting the power consumption based on the real demand.<\/p>\n<p><iframe loading=\"lazy\" width=\"750\" height=\"422\" src=\"https:\/\/www.youtube.com\/embed\/6WaJd16H_Ww?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Nowadays, the costs of EC motors allow a <strong>very interesting ROI<\/strong>. The solution is indeed more and more often required by our customers, and gladly embraced because it allows the obtain not only significant and effective energy savings, but also a <strong>reduction in maintenance costs<\/strong>. It\u2019s clear indeed that the wear of a fan working for six or even nine months per year at a lower speed will be much less than the wear of a fan working at 100% of its capacity.<\/p>\n<p><strong>EC motors and inverter technologies<\/strong> are very much consolidated in the market today, and can thus be widely employed in industrial applications but also in <strong>conditioning<\/strong>, plants that have to work 365 days per year. Clearly, if a system works only during the summer, the ROI will probably be longer. But the opportunity is worth to be evaluated anyway, because <strong>during the night hours the temperature decreases<\/strong>, leading the an increased efficiency of the <a href=\"https:\/\/en.tempco.it\/solutions-en\/heat-exchangers\/\" target=\"_blank\" rel=\"noopener\"><strong>exchanger<\/strong><\/a> and requiring a less amount of air. So that energy saving can be achieved too.<\/p>\n<p>Subscribe here to our <strong><a href=\"https:\/\/en.tempco.it\/newsletter-solid-temperature\/\" target=\"_blank\" rel=\"noopener\">Tempco Newsletter &#8211; Solid Temperature<\/a><\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>EC motors and inverters are the key technologies to implement energy saving solutions with an interesting ROI in cooling applications using free coolers and evaporative towers.<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[83,64,61,65,63,87,472,113,84],"tags":[541,177,3076,127,647,258,1864,1346,3077,869,126,74,430,1184,375,256,138,71,279,2806,824,2253,3046,1543,382,3078],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Renewables and energy saving in free coolers and evaporative towers - 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