{"id":19330,"date":"2026-03-05T11:00:00","date_gmt":"2026-03-05T10:00:00","guid":{"rendered":"https:\/\/giconmes.es\/why-many-rooms-do-not-reach-their-intended-temperature-common-mistakes-in-industrial-thermal-sizing\/"},"modified":"2026-03-12T06:29:55","modified_gmt":"2026-03-12T05:29:55","slug":"why-many-rooms-do-not-reach-their-intended-temperature-common-mistakes-in-industrial-thermal-sizing","status":"publish","type":"post","link":"https:\/\/giconmes.es\/en\/why-many-rooms-do-not-reach-their-intended-temperature-common-mistakes-in-industrial-thermal-sizing\/","title":{"rendered":"Why many rooms do not reach their intended temperature: common mistakes in industrial thermal sizing"},"content":{"rendered":"\n<p>In <strong>industrial heating<\/strong> projects of <strong>rooms, chambers or technical enclosures<\/strong>, one of the <strong>most frequent problems<\/strong> is that <strong>the installation does not reach the target temperature in the expected time.<\/strong><\/p>\n\n<p>The usual reaction is usually immediate: &#8220;<em>Power is lacking<\/em>&#8220;.<\/p>\n\n<p>However, in most cases <strong>the problem is not only the installed power<\/strong>, but an <strong>incomplete or incorrect thermal dimensioning<\/strong>.<\/p>\n\n<p><strong>Industrial thermal design<\/strong> is not just about calculating kW. It is about <strong>understanding how heat behaves inside the enclosure<\/strong>. <\/p>\n\n<h2 class=\"wp-block-heading\">What is industrial thermal sizing?<\/h2>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/dimensionamiento-termico-industrial-que-es-1024x683.webp\" alt=\"What is industrial thermal sizing\" class=\"wp-image-19282\" title=\"Giconmes industrial steam generators\" srcset=\"https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/dimensionamiento-termico-industrial-que-es-1024x683.webp 1024w, https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/dimensionamiento-termico-industrial-que-es-300x200.webp 300w, https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/dimensionamiento-termico-industrial-que-es-768x512.webp 768w, https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/dimensionamiento-termico-industrial-que-es.webp 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n<p><strong>Industrial thermal sizing<\/strong> is the process of <strong>calculation and design necessary to determine the power required<\/strong> in power systems:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Heating of industrial rooms.<\/li>\n\n\n\n<li>Disinfection or drying chambers.<\/li>\n\n\n\n<li>Thermal processes with steam.<\/li>\n\n\n\n<li>Heat treatment enclosures.<\/li>\n<\/ul>\n\n<p>This calculation should consider:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Actual volume of the enclosure.<\/li>\n\n\n\n<li>Thermal mass of the product.<\/li>\n\n\n\n<li>Structural thermal losses.<\/li>\n\n\n\n<li>Target warm-up time.<\/li>\n\n\n\n<li>Heat distribution and air circulation.<\/li>\n<\/ul>\n\n<p>When any of these factors <strong>is estimated incorrectly<\/strong>, the system may be clearly <strong>undersized<\/strong>.<\/p>\n\n<h2 class=\"wp-block-heading\">Common mistake 1 &#8211; Underestimating the actual enclosure volume<\/h2>\n\n<p>One of the most common errors in the calculation of industrial thermal power is to work with a <strong>theoretical volume that does not coincide with the constructed volume<\/strong>.<\/p>\n\n<p>A 40-50% increase in volume implies:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Greater mass of air to be heated.<\/li>\n\n\n\n<li>More heat exchange surface.<\/li>\n\n\n\n<li>Increased transmission losses.<\/li>\n\n\n\n<li>Higher thermal inertia.<\/li>\n<\/ul>\n\n<p>The result is that <strong>the initially calculated power is no longer sufficient<\/strong>.<\/p>\n\n<h2 class=\"wp-block-heading\">Common mistake 2 &#8211; Failure to consider the actual thermal mass of the process<\/h2>\n\n<p>The basic energy calculation is based on the formula:<\/p>\n\n<p><strong>Q=m\u22c5c\u22c5\u0394T<\/strong><\/p>\n\n<p>Where:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>m = real mass.<\/li>\n\n\n\n<li>c = specific heat.<\/li>\n\n\n\n<li>\u0394T = temperature increase.<\/li>\n<\/ul>\n\n<p>The usual problem is not in the formula, but in the <strong>actual mass considered<\/strong>.<\/p>\n\n<p>It is not the same thing:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Ventilated vs. compact product.<\/li>\n\n\n\n<li>Dry material vs. material with moisture.<\/li>\n\n\n\n<li>Hundreds of kilos vs. actual tons per cycle.<\/li>\n<\/ul>\n\n<p>If the <strong>thermal mass<\/strong> is <strong>higher than estimated<\/strong>, the <strong>power required<\/strong> can be <strong>multiplied by two or three.<\/strong><\/p>\n\n<h2 class=\"wp-block-heading\">Common Mistake 3 &#8211; Ignoring thermal stratification in industrial rooms<\/h2>\n\n<p><strong>Thermal stratification <\/strong>in industrial enclosures is one of the most overlooked phenomena in thermal design.<\/p>\n\n<p>The hot air rises and the cold air remains at the bottom. <strong>If there is no correct recirculation or redirection of the air flow<\/strong>, <strong>thermal layers<\/strong> are generated.<\/p>\n\n<p>Consequences:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Height sensors mark correct temperature.<\/li>\n\n\n\n<li>Product does not reach temperature in low areas.<\/li>\n\n\n\n<li>The system works longer.<\/li>\n\n\n\n<li>Increases energy consumption.<\/li>\n<\/ul>\n\n<p>Poor drive and return design can completely compromise system efficiency.<\/p>\n\n<h2 class=\"wp-block-heading\">Common Pitfall 4 &#8211; Failure to properly remove cold air in steam systems<\/h2>\n\n<p>In industrial steam heating systems, the <strong>initial removal of cold air <\/strong>is <strong>critical<\/strong>.<\/p>\n\n<p>If it does not exist:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Suitable purge valve.<\/li>\n\n\n\n<li>Evacuation system at high points.<\/li>\n\n\n\n<li>Correct start-up design.<\/li>\n<\/ul>\n\n<p>The air acts as a <strong>thermal barrier<\/strong> and <strong>prevents efficient heat transfer<\/strong>.<\/p>\n\n<p>This detail can double the heating time without the problem being the installed power.<\/p>\n\n<h2 class=\"wp-block-heading\">Common mistake 5 &#8211; Failure to correctly calculate the thermal losses of the enclosure.<\/h2>\n\n<p><strong>Thermal losses<\/strong> in industrial rooms are often underestimated.<\/p>\n\n<p>The main critical points are:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Floors without thermal insulation.<\/li>\n\n\n\n<li>Metal walls without a suitable sandwich panel.<\/li>\n\n\n\n<li>Leaky doors.<\/li>\n\n\n\n<li>Uncontrolled air renewals.<\/li>\n<\/ul>\n\n<p>The <strong>floor<\/strong>, especially, acts as a continuous <strong>thermal sink<\/strong> if it is not insulated.<\/p>\n\n<p>In many projects, <strong>losses<\/strong> can represent between <strong>20% and 40% of the total power required<\/strong>.<\/p>\n\n<h2 class=\"wp-block-heading\">Common mistake 6 &#8211; Setting a target time without adjusting the power required<\/h2>\n\n<p>A common specification is: &#8220;<em>The room must reach 70 \u00b0C in two hours<\/em>&#8220;.<\/p>\n\n<p>Reducing the heating time does not imply a linear increase in power. In many cases, to <strong>reduce the time by half<\/strong> it is necessary to <strong>significantly multiply the installed power<\/strong>. <\/p>\n\n<p><strong>Time<\/strong> is a critical design variable, not a guide parameter.<\/p>\n\n<h2 class=\"wp-block-heading\">How to make a correct power calculation in industrial heating systems<\/h2>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/calcular-potencia-calefaccion-industrial-1024x683.webp\" alt=\"Calculate power in industrial heating\" class=\"wp-image-19286\" title=\"Giconmes industrial steam generators\" srcset=\"https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/calcular-potencia-calefaccion-industrial-1024x683.webp 1024w, https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/calcular-potencia-calefaccion-industrial-300x200.webp 300w, https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/calcular-potencia-calefaccion-industrial-768x512.webp 768w, https:\/\/giconmes.es\/wp-content\/uploads\/2026\/03\/calcular-potencia-calefaccion-industrial.webp 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n<p>A <strong>rigorous industrial thermal design<\/strong> should include:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Confirmation of the actual volume built<\/strong>.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Confirmation of thermal mass per cycle<\/strong>.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Calculation of transmission losses<\/strong>.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Stratification and recirculation analysis<\/strong>.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Cold air elimination design<\/strong>.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Clear definition of the target time<\/strong>.<\/li>\n<\/ul>\n\n<p>Only when these factors are analyzed together is it possible to determine the actual thermal power required.<\/p>\n\n<h2 class=\"wp-block-heading\">Conclusion &#8211; The problem is usually not the machine, but the thermal design.<\/h2>\n\n<p>When an <strong>industrial room does not reach temperature<\/strong>, it is rarely the fault of the <strong>generator<\/strong>.<\/p>\n\n<p>Usually the problem is in:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>An incomplete calculation.<\/li>\n\n\n\n<li>Process changes not contemplated.<\/li>\n\n\n\n<li>Ignored thermal losses.<\/li>\n\n\n\n<li>Poor heat distribution.<\/li>\n<\/ul>\n\n<p>Correct <strong>industrial thermal sizing<\/strong> is not about installing more power. It consists of designing the complete system taking into account the <strong>actual heat behavior<\/strong>. <\/p>\n\n<p><a href=\"https:\/\/giconmes.es\/en\/contact-us\/\">Contact us and we will help you design the optimal solution for your installation<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In industrial heating projects of rooms, chambers or technical enclosures, one of the most frequent problems is that the installation does not reach the target temperature in the expected time. The usual reaction is usually immediate: &#8220;Power is lacking&#8220;. However, in most cases the problem is not only the installed power, but an incomplete or [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":19278,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36],"tags":[],"class_list":["post-19330","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-boilers-and-steam-generators"],"acf":[],"_links":{"self":[{"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/posts\/19330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/comments?post=19330"}],"version-history":[{"count":1,"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/posts\/19330\/revisions"}],"predecessor-version":[{"id":19331,"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/posts\/19330\/revisions\/19331"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/media\/19278"}],"wp:attachment":[{"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/media?parent=19330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/categories?post=19330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/giconmes.es\/en\/wp-json\/wp\/v2\/tags?post=19330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}