{"id":2721,"date":"2024-01-15T17:35:42","date_gmt":"2024-01-15T16:35:42","guid":{"rendered":"https:\/\/klimapaktfirbetriber.lu\/?post_type=mesures&#038;p=2721"},"modified":"2026-02-16T15:26:52","modified_gmt":"2026-02-16T14:26:52","slug":"optimisation-of-mechanical-ventilation","status":"publish","type":"mesures","link":"https:\/\/www.klimapaktfirbetriber.lu\/en\/measures\/optimisation-of-mechanical-ventilation\/","title":{"rendered":"Optimisation of mechanical ventilation"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>Controlling good ventilation and the operating costs associated with your company&#8217;s centralised ventilation system<\/strong><\/h2>\n\n\n\n<p>The main function of a ventilation system is to ensure a pleasant climate and high air quality within the establishment. This need is associated with energy consumption (generally in continuous service) and must be used in the best possible way.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"type-numerotation\"><span class=\"type-numerotation-span visually-hidden\"><\/span>Definition of requirements with a view to optimising mechanical ventilation<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><strong>Identification of the needs of different building functions<\/strong><\/strong><\/h3>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ul class=\"wp-block-list\">\n<li>Pour \u00e9valuer les besoins actuels, il est important de prendre en consid\u00e9ration les param\u00e8tres suivants&nbsp;:\n<ul class=\"wp-block-list\">\n<li>renouve<\/li>\n\n\n\n<li>To assess current needs, it is important to consider the following parameters:<\/li>\n\n\n\n<li>air exchange in (m<sup>3<\/sup>\/h)\/p<\/li>\n\n\n\n<li>temperature (outside and inside)<\/li>\n\n\n\n<li>moisture content (drying or humidification required?)<\/li>\n\n\n\n<li>required air quality (CO<sub>2<\/sub> levels, fine particles, etc.)<\/li>\n\n\n\n<li>use and intensity of use of building zones<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>The safety regulations of the ITM &#8220;<a href=\"https:\/\/itm.public.lu\/dam-assets\/fr\/securite-sante\/conditions-types\/itm-cl-1100-2000\/ITM-SST-1814-1.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Ventilation and air-conditioning systems<\/u><\/a>&#8221; must be complied with.<\/li>\n\n\n\n<li>Identify potential malfunctions, e.g. air flow noise, temperature or pressure variations, incorrect handling, continuous operation of installations.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-light-green-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading has-green-color has-text-color has-link-color wp-elements-5b6373be6daf025517bc950629f2b035\"><strong>Further information<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The main tasks of an <\/strong><a href=\"https:\/\/www.oai.lu\/fr\/9\/topmenu\/annuaire-membres\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u><strong>consulting engineering office (technical consultant)<\/strong><\/u><\/a><strong> or a <\/strong><a href=\"https:\/\/www.fgt.lu\/fr\/nos-membres\/?selectCat=Installateur%2BChauffage%2BSanitaire-Frigoriste-Ventilation&amp;searchKeywords=&amp;search=\" target=\"_blank\" rel=\"noopener\"><u><strong>qualified craftsman (ventilation installer)<\/strong><\/u><\/a>&nbsp;<strong>in optimising ventilation are as follows:<\/strong>\n<ul class=\"wp-block-list\">\n<li>carry out an in-depth inventory of the infrastructure (possible co-financing)<\/li>\n\n\n\n<li>analyse energy consumption in relation to ventilation requirements<\/li>\n\n\n\n<li>check that the entire ventilation system is working properly<\/li>\n\n\n\n<li>optimise system regulation, e.g. as a function of CO<sub>2<\/sub> levels<\/li>\n\n\n\n<li>check that the heat recovery system is working properly<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"type-numerotation\"><span class=\"type-numerotation-span visually-hidden\"><\/span>Implementation of optimisation measures for mechanical ventilation<\/h2>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\"><strong><strong>Control based on actual use<\/strong><\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Adjust to actual needs<\/li>\n\n\n\n<li>Check operating time<\/li>\n\n\n\n<li>Shut down or reduce to a minimum the ventilation system outside operating hours (nights, weekends, etc.)<\/li>\n\n\n\n<li>If possible, set the fan speed to the required level using a variable frequency drive<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\"><strong><strong>Temperature-dependent control<\/strong><\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Set the temperature level according to the specific needs of the different rooms<\/li>\n\n\n\n<li>It is recommended to use control devices such as a control unit, thermostat, or centralised regulation, etc.<\/li>\n\n\n\n<li>Reduce manual ventilation (air exchange depending on activity, number of people and size) in heated rooms to a minimum<\/li>\n\n\n\n<li>Setting the air preheating\/cooling in the ventilation system<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><strong>Measuring air quality<\/strong><\/strong><\/h3>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"531\" height=\"493\" src=\"https:\/\/klimapaktfirbetriber.lu\/wp-content\/uploads\/2024\/01\/Picture.png\" alt=\"\" class=\"wp-image-2323\" srcset=\"https:\/\/www.klimapaktfirbetriber.lu\/wp-content\/uploads\/2024\/01\/Picture.png 531w, https:\/\/www.klimapaktfirbetriber.lu\/wp-content\/uploads\/2024\/01\/Picture-300x279.png 300w\" sizes=\"(max-width: 531px) 100vw, 531px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Install measuring instruments, e.g. thermometer, CO<sub>2<\/sub> measurement, humidity (hygrometer), fine particles, etc.&nbsp;A recommendation of the temperature instructions for the various workplaces can be found in safety regulation <a href=\"https:\/\/itm.public.lu\/dam-assets\/fr\/securite-sante\/conditions-types\/itm-cl-1100-2000\/ITM-SST-1814-1.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><u>ITM-SST 1814.1.<\/u><\/a><\/li>\n\n\n\n<li>Adjust the airflow rate according to the quality parameters (e.g. CO<sub>2<\/sub> level).<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\"><strong><strong>Humidification<\/strong><\/strong><\/h3>\n\n\n\n<p>If the ventilation system is equipped with a humidifier, the system and the corresponding water treatment plant should be checked regularly to ensure correct operation.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\"><strong><strong>Maintenance of the ventilation system<\/strong><\/strong><\/h3>\n\n\n\n<p>The maintenance intervals and instructions laid down by the supplier must be observed. This includes cleaning the system, replacing filters, checking flow rates and ensuring that the ventilation system is set up correctly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><strong>Heat recovery<\/strong><\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"500\" height=\"249\" src=\"https:\/\/klimapaktfirbetriber.lu\/wp-content\/uploads\/2024\/01\/Picture-1.png\" alt=\"\" class=\"wp-image-2350\" srcset=\"https:\/\/www.klimapaktfirbetriber.lu\/wp-content\/uploads\/2024\/01\/Picture-1.png 500w, https:\/\/www.klimapaktfirbetriber.lu\/wp-content\/uploads\/2024\/01\/Picture-1-300x149.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ul class=\"wp-block-list\">\n<li>We recommend that you regularly check that the heat recovery unit is working properly.<\/li>\n\n\n\n<li>The flow of incoming air and the flow of outgoing air must be matched to each other.<\/li>\n\n\n\n<li>Ensure that measuring instruments are working properly. Small errors can have a big influence on the control parameters.<\/li>\n\n\n\n<li>Check the heat exchanger for dirt and have it cleaned if necessary, following the manufacturer&#8217;s instructions.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"type-numerotation\"><span class=\"type-numerotation-span visually-hidden\"><\/span>Subsidy application<\/h2>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><strong>Government subsidies<\/strong><\/strong><\/h3>\n\n\n\n<div class=\"wp-block-group has-light-green-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-green-color has-text-color has-link-color wp-elements-7386af4166351c1f311e337826186b20\"><strong>Attention&nbsp;: effet incitatif \u00e0 respecter pour la demande d\u2019aides (\u00e9tatiques ou non) et&nbsp;sous r\u00e9serve de remplir les conditions d\u2019\u00e9ligibilit\u00e9.<\/strong><\/p>\n\n\n\n<p>To respect the &#8220;incentive effect&#8221;, no binding commitment (signing a quotation; paying a deposit) may be made BEFORE submitting the application file or receiving the agreement in principle from the State or the electricity and natural gas supplier following a subsidy application.<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/guichet.public.lu\/fr\/entreprises\/financement-aides\/regime-sme-packages\/soutien-pme\/sme-packages-sustainability.html\" target=\"_blank\" rel=\"noopener\"><u><strong>SME Packages \u2013 <\/strong><\/u><u><strong>Sustainability<\/strong><\/u><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Financial Aid for small and medium-sized enterprises covering up to 70% of eligible costs for the implementation of a project aimed at reducing the environmental impact. The eligible project budget must be in a range from 3.000 \u20ac to 25.000 \u20ac excl. VAT.<\/li>\n\n\n\n<li>For more information:\n<ul class=\"wp-block-list\">\n<li><a href=\"mailto:ehandwierk@cdm.lu\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Chambre des M\u00e9tiers<\/u><\/a>&nbsp;for craft companies<\/li>\n\n\n\n<li><a href=\"mailto:sustainability@cc.lu\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Chamber of Commerce<\/u><\/a> for businesses in the non-craft sectors<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>SME aid scheme &#8211; <\/strong><a href=\"https:\/\/guichet.public.lu\/en\/entreprises\/financement-aides\/regime-pme\/aides-generales-pme\/aide-investissements-divers.html\" target=\"_blank\" rel=\"noreferrer noopener\"><u><strong>Aid for miscellaneous investments<\/strong><\/u><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Subsidies for small and medium-sized businesses, up to 10&nbsp;% or 20&nbsp;% of the amount of miscellaneous investments aimed at promoting the modernisation and competitiveness of the Luxembourg economy.<\/li>\n\n\n\n<li>Verification of company eligibility and costs: <a href=\"mailto:info.aide.pme@eco.etat.lu\">Ministry of the Economy<\/a>&nbsp;(Department for Support to SMEs)<\/li>\n\n\n\n<li>&nbsp;For questions:\n<ul class=\"wp-block-list\">\n<li><a href=\"mailto:subsides@houseofentrepreneurship.lu\" target=\"_blank\" rel=\"noreferrer noopener\"><u>House of Entrepreneurship<\/u><\/a>&nbsp;of the Chamber of Commerce<\/li>\n\n\n\n<li><a href=\"mailto:contact@cdm.lu\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Chambre des M\u00e9tiers (Chamber of Skilled Trades and Crafts)<\/u><\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"has-light-green-background-color has-background\">N.B. State subsidies cannot be combined for the same project.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><strong>Application for subsidies from electricity and natural gas suppliers<\/strong><\/strong><\/h3>\n\n\n\n<p>Since 2015, natural gas and electricity suppliers have been required to make energy savings for consumers under the obligation scheme. Since then, energy suppliers have been offering support and advice, as well as subsidy programmes for consumers to implement energy efficiency measures.<\/p>\n\n\n\n<p>The following suppliers offer this service for companies:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.enoprimes.lu\/fr\/entreprises\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.enoprimes.lu\/fr\/entreprises\/\" rel=\"noreferrer noopener\">Enoprimes Enovos + SUDenergie<\/a><\/li>\n\n\n\n<li><a href=\"mailto:ps@sudenergie.lu\" target=\"_blank\" rel=\"noreferrer noopener\"><u>SUDenergie<\/u><\/a><\/li>\n\n\n\n<li><a href=\"mailto:subvention@sudstroum.lu\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Sudstroum<\/u><\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-light-green-background-color has-background\">N.B. Supplier subsidies can be combined with any state subsidies for the same project.<\/p>\n\n\n<h4><a href=\"https:\/\/guichet.public.lu\/en\/entreprises\/fiscalite\/bonification-impot-investissement\/bonification-transition-ecologique-energetique.html\" target=\"_blank\" rel=\"noopener\">Tax relief for investment in an ecological and energy transition project<\/a><\/h4>\n<p>The tax relief is calculated based on the investments and operating expenses incurred as part of an ecological and energy transition project.<br \/>\nThe tax relief rate is set at 18% and is applied directly to the amount of tax due.<br \/>\nThis deduction can be combined with standard state subsidies.<\/p>\n<p>For the project to be eligible, it must meet at least one of the following objectives:<\/p>\n<ul>\n<li>Improve the energy efficiency of a production process<\/li>\n<li>Improve the material efficiency of a production process<\/li>\n<li>Decarbonise a production process<\/li>\n<li>Reduce air pollution at the production site (excluding CO2 emissions)<\/li>\n<li>Produce or store renewable energy for self-consumption<\/li>\n<li>Promote the extended use of products through reuse<\/li>\n<\/ul>\n<p>For certain objectives, minimum thresholds must be met.<br \/>\nTo verify your eligibility and ensure that these thresholds are satisfied, it is recommended that the impact of the measure on one of the above conditions be certified by an expert or a design office.<\/p>\n<p>Further details and conditions: <a href=\"https:\/\/guichet.public.lu\/en\/entreprises\/fiscalite\/bonification-impot-investissement\/bonification-transition-ecologique-energetique.html\" target=\"_blank\" rel=\"noopener\">Guichet.lu<\/a><br \/>\nFor questions: <a href=\"mailto:bonification@eco.etat.lu\">Ministry of Economy \u2013 Bonus<\/a><\/p>\n<div class=\"wp-block-group has-light-green-background-color has-background\">\n<div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">This type of project may be eligible, provided that the implemented project relates to the company\u2019s main economic activity, the eligibility thresholds are met, and that all other criteria set out in Article 152bis L.I.R. are complied with.<\/div>\n<\/div>\n\n","protected":false},"featured_media":2722,"parent":0,"template":"","secteur":[74,129,142,67,76,123,77,132,69,62,72,71,73],"thematique":[78],"application":[106],"class_list":["post-2721","mesures","type-mesures","status-publish","has-post-thumbnail","hentry","secteur-administration","secteur-boulanger-en","secteur-food-trade","secteur-horeca-en","secteur-agriculture-viticulture","secteur-butcher-craft-industry","secteur-aid-and-care-sector","secteur-carpentry","secteur-commerce-en","secteur-craft-industry","secteur-workshop","secteur-manufacturing","secteur-transport","thematique-energie-en","application-ventilation-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/mesures\/2721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/mesures"}],"about":[{"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/types\/mesures"}],"version-history":[{"count":14,"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/mesures\/2721\/revisions"}],"predecessor-version":[{"id":2633291,"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/mesures\/2721\/revisions\/2633291"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/media\/2722"}],"wp:attachment":[{"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/media?parent=2721"}],"wp:term":[{"taxonomy":"secteur","embeddable":true,"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/secteur?post=2721"},{"taxonomy":"thematique","embeddable":true,"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/thematique?post=2721"},{"taxonomy":"application","embeddable":true,"href":"https:\/\/www.klimapaktfirbetriber.lu\/en\/wp-json\/wp\/v2\/application?post=2721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}