{"id":1376,"date":"2025-12-19T02:03:19","date_gmt":"2025-12-19T01:03:19","guid":{"rendered":"https:\/\/a3klima.hu\/?post_type=tudasbazis&#038;p=1376"},"modified":"2025-12-23T20:14:46","modified_gmt":"2025-12-23T19:14:46","slug":"air-conditioning-systems-complete-guide","status":"publish","type":"tudasbazis","link":"https:\/\/a3klima.hu\/en\/tudasbazis\/klimaberendezesek-teljes-utmutato\/","title":{"rendered":"Air conditioning systems \u2013 complete guide"},"content":{"rendered":"<p>The function of air conditioning is to regulate the temperature of interior spaces. <strong>control of temperature, humidity, and air quality<\/strong>. Modern air conditioners go far beyond classic summer cooling: today, we also use them for heating, dehumidification, and air filtration, in many cases as a year-round comfort solution.<\/p>\n\n\n\n<p>In technical terms, most air conditioners <strong>air-to-air <a href=\"https:\/\/a3klima.hu\/en\/knowledge-base\/heat-pumps-complete-guide\/\">heat pump<\/a><\/strong>, meaning that it does not generate heat, but transports it. This is why it is more energy-efficient than traditional electric heating solutions and, under the right conditions, can also be used economically for heating.<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-bd0e054\" id=\"gspb_image-id-gsbp-bd0e054\"><img decoding=\"async\" src=\"https:\/\/a3klima.hu\/wp-content\/uploads\/polar-klima.jpg\" data-src=\"\" alt=\"Polar air conditioning\" loading=\"lazy\" width=\"500\" height=\"928\"\/><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-a-klima-mukodesi-elve-roviden\">How air conditioning works in a nutshell<\/h3>\n\n\n\n<p>The air conditioning system operates using a refrigerant circulating in a closed loop.<br>In cooling mode, it extracts heat from the indoor air and releases it outside via the outdoor unit. In heating mode, the same process is reversed: it uses the heat energy from the outside air to heat the interior.<\/p>\n\n\n\n<p>This technology enables a modern air conditioning system <strong>Up to 3\u20135 kWh of thermal energy from 1 kWh of electrical energy<\/strong> produce, which means outstanding efficiency.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mire-hasznalhato-egy-modern-klimaberendezes\">What can a modern air conditioning system be used for?<\/h3>\n\n\n\n<p>Today's air conditioners combine several functions in a single device:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cooling<\/strong> in the summer heat<\/li>\n\n\n\n<li><strong>Heating<\/strong> during transitional periods or even throughout the entire heating season<\/li>\n\n\n\n<li><strong>Decoupling<\/strong>, which is particularly important for buildings prone to mold growth<\/li>\n\n\n\n<li><strong>Air filtration<\/strong>, reduction of pollen, dust, and odors<\/li>\n\n\n\n<li><strong>Comfort improvement<\/strong>, more even heat distribution<\/li>\n<\/ul>\n\n\n\n<p>This is why air conditioning has become a necessity rather than a luxury in many properties. <strong>basic infrastructure<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-klimaberendezesek-tipusai-rendszerfelepites-szerint\">Types of air conditioning systems according to system structure<\/h2>\n\n\n\n<p>Air conditioners were first <strong>based on system architecture<\/strong> It is worth distinguishing between them. This determines how many rooms they can serve and what their installation requirements are.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-split-klima\">Split air conditioning<\/h3>\n\n\n\n<p>A <a href=\"https:\/\/a3klima.hu\/en\/knowledge-base\/air-conditioning-systems-complete-guide\/split-air-conditioner-types\/\">split air conditioner<\/a> It consists of an indoor and an outdoor unit. This is the most common solution in apartments and family homes. Advantages:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>good value for money<\/li>\n\n\n\n<li>quiet operation<\/li>\n\n\n\n<li>wide range of performance<\/li>\n\n\n\n<li>simple maintenance<\/li>\n<\/ul>\n\n\n\n<p>The disadvantage is that an indoor unit usually <strong>a room<\/strong> serves.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-multi-split-klima\">Multi-split air conditioning<\/h3>\n\n\n\n<p>The multi-split system connects multiple indoor units to a single outdoor unit. Advantage:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>fewer outdoor units on the facade<\/li>\n\n\n\n<li>multiple rooms can be air-conditioned<\/li>\n<\/ul>\n\n\n\n<p>Disadvantage:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>more expensive system<\/li>\n\n\n\n<li>more complex installation<\/li>\n\n\n\n<li>in the event of an outdoor failure, all indoor units will fail<\/li>\n<\/ul>\n\n\n\n<p>This solution is typically justified when <strong>limited placement of outdoor units<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mobil-klima\">Mobile air conditioning<\/h3>\n\n\n\n<p>Mobile air conditioners can be used without installation, but they come with serious compromises.<\/p>\n\n\n\n<p>Disadvantages:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>high noise level<\/li>\n\n\n\n<li>low efficiency<\/li>\n\n\n\n<li>higher consumption<\/li>\n\n\n\n<li>low comfort<\/li>\n<\/ul>\n\n\n\n<p>In the long run, it is rarely a good decision; rather, <strong>as a temporary solution<\/strong> to be treated.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-klimaberendezesek-kivitelezese-es-elhelyezese\">Installation and placement of air conditioning systems<\/h2>\n\n\n\n<p>When choosing a climate control system, it is often not performance that matters, but rather <strong>design and placement of indoor units<\/strong> the decisive factor. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-oldalfali-klasszikus-split-klima\">Sidewall (classic split) air conditioning<\/h3>\n\n\n\n<p>Sidewall air conditioning is the most common design: the indoor unit is placed at the top of the wall.<\/p>\n\n\n\n<p>Benefits:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>easy installation<\/li>\n\n\n\n<li>wide range of models<\/li>\n\n\n\n<li>favorable price<\/li>\n<\/ul>\n\n\n\n<p>The disadvantage is that it typically blows air from top to bottom, which is not ideal in all rooms, especially when heating.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-konzolos-klima\">Console air conditioner<\/h3>\n\n\n\n<p>A console air conditioner is a low-mounted indoor unit, often installed in place of a radiator.<\/p>\n\n\n\n<p>Benefits:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>more natural heat distribution during heating<\/li>\n\n\n\n<li>ideal for attic rooms<\/li>\n\n\n\n<li>less drafty comfort<\/li>\n<\/ul>\n\n\n\n<p>Disadvantages:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>higher device price<\/li>\n\n\n\n<li>narrower range<\/li>\n<\/ul>\n\n\n\n<p>An excellent choice where heating comfort is a priority.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-parapet-klima\">Parapet air conditioning<\/h3>\n\n\n\n<p>Parapet air conditioning is installed close to floor level and is often used to replace old heating systems.<\/p>\n\n\n\n<p>Advantage:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>excellent heating comfort<\/li>\n\n\n\n<li>well suited for modernization<\/li>\n\n\n\n<li>fits into heat pump logic<\/li>\n<\/ul>\n\n\n\n<p>Disadvantage:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>greater space requirements<\/li>\n\n\n\n<li>more expensive installation<\/li>\n<\/ul>\n\n\n\n<p>A particularly viable solution for older buildings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-kazettas-klima\">Cassette air conditioner<\/h3>\n\n\n\n<p>The cassette air conditioner can be built into a suspended ceiling and distributes air in multiple directions.<\/p>\n\n\n\n<p>Benefits:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>even air distribution<\/li>\n\n\n\n<li>air conditioning for larger spaces<\/li>\n\n\n\n<li>aesthetic, concealed appearance<\/li>\n<\/ul>\n\n\n\n<p>Disadvantage:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>suspended ceiling required<\/li>\n\n\n\n<li>higher investment costs<\/li>\n<\/ul>\n\n\n\n<p>It is typically used in offices, shops, and restaurants.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-legcsatornas-klima\">Ducted air conditioning<\/h3>\n\n\n\n<p>The duct system is a completely concealed solution, where air is supplied to the rooms through ducts.<\/p>\n\n\n\n<p>Advantage:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>premium comfort<\/li>\n\n\n\n<li>even heat distribution<\/li>\n<\/ul>\n\n\n\n<p>Disadvantage:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>requires serious planning<\/li>\n\n\n\n<li>high acquisition cost<\/li>\n<\/ul>\n\n\n\n<p>This is more like <strong>building services system<\/strong>, not a classic home air conditioner.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-inverteres-klima-miert-ez-a-mai-alapelv\">Inverter air conditioning \u2013 why is this the standard today?<\/h2>\n\n\n\n<p>Modern air conditioners almost without exception use inverter technology. The essence of this is that the compressor <strong>does not switch on and off<\/strong>, but continuously regulates its performance according to current demand. This:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>quieter operation<\/li>\n\n\n\n<li>lower consumption<\/li>\n\n\n\n<li>longer life<\/li>\n\n\n\n<li>more stable temperature<\/li>\n<\/ul>\n\n\n\n<p>results.<\/p>\n\n\n\n<p>Today <strong>It is not worth considering non-inverter air conditioning.<\/strong>, neither for cooling nor for heating.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-milyen-klimat-valasszak-az-alapveto-szempontok\">Which climate should I choose? \u2013 the basic considerations<\/h2>\n\n\n\n<p>Choosing the right climate is always <strong>site-specific decision<\/strong>. It's not just square footage that matters, but also:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ceiling height<\/li>\n\n\n\n<li>orientation<\/li>\n\n\n\n<li>insulation<\/li>\n\n\n\n<li>quality of doors and windows<\/li>\n\n\n\n<li>usage habits<\/li>\n<\/ul>\n\n\n\n<p>Poorly sized air conditioning:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>does not cool or heat properly<\/li>\n\n\n\n<li>breaks down more often<\/li>\n\n\n\n<li>consume more<\/li>\n<\/ul>\n\n\n\n<p>Therefore, the final decision is always <strong>professional scaling<\/strong> must be grounded.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"klima-energiafogyasztasa-es-uzemeltetesi-koltsegei\">Air conditioning energy consumption and operating costs<\/h2>\n\n\n\n<p>When choosing an air conditioner, one of the most common questions is <strong>how much will you consume<\/strong>, and how this is reflected in the electricity bill. The answer does not depend on a single figure, but on the combined effect of several factors.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mitol-fugg-egy-klimaberendezes-fogyasztasa\">What determines the energy consumption of an air conditioning system?<\/h3>\n\n\n\n<p>Actual energy consumption is influenced by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>device power (kW)<\/li>\n\n\n\n<li>quality of inverter technology<\/li>\n\n\n\n<li>thermal insulation of the building<\/li>\n\n\n\n<li>the outside temperature<\/li>\n\n\n\n<li>the set target temperature<\/li>\n\n\n\n<li>frequency and duration of use<\/li>\n<\/ul>\n\n\n\n<p>A well-sized, modern inverter air conditioner <strong>does not operate continuously at maximum capacity<\/strong>, but only consumes as much as is needed at any given moment.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"energiaosztalyok-a-a-mit-jelentenek-valojaban\">Energy classes: A++, A+++, what do they actually mean?<\/h3>\n\n\n\n<p>The energy class primarily <strong>for comparison purposes<\/strong>, not an absolute consumption value.<br>An A+++ rated air conditioner is more efficient within its category, but this alone does not guarantee low costs.<\/p>\n\n\n\n<p>Key indicators:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SEER<\/strong> (cooling efficiency)<\/li>\n\n\n\n<li><strong>SCOP<\/strong> (heating efficiency)<\/li>\n<\/ul>\n\n\n\n<p>The higher these values are, the more economically the device operates.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"hutes-es-futes-koltsegeinek-osszehasonlitasa\">Comparison of cooling and heating costs<\/h3>\n\n\n\n<p>When cooling, the air conditioner typically <strong>for shorter periods and at lower power<\/strong> operates.<br>When heating, longer operating times must be expected, however:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>a particularly inexpensive solution during the transition period<\/li>\n\n\n\n<li>can even function as the main heating source in well-insulated buildings<\/li>\n\n\n\n<li>especially when combined with the favorable H tariff<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"klimamarkak-es-minosegi-kulonbsegek\">Air conditioning brands and quality differences<\/h2>\n\n\n\n<p>There is a huge range of products on the climate market, but <strong>Not all brands and models represent the same level.<\/strong>, even if the data on the paper is similar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"premium-kozep-es-belepo-kategoria\">Premium, mid-range, and entry-level categories<\/h3>\n\n\n\n<p><strong>Premium category:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>higher efficiency<\/li>\n\n\n\n<li>quieter operation<\/li>\n\n\n\n<li>longer lifetime<\/li>\n\n\n\n<li>stable supply of components<\/li>\n<\/ul>\n\n\n\n<p><strong>Middle category:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>good value for money<\/li>\n\n\n\n<li>adequate reliability<\/li>\n\n\n\n<li>ideal for residential use<\/li>\n<\/ul>\n\n\n\n<p><strong>Admission category:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>low price<\/li>\n\n\n\n<li>fewer extra features<\/li>\n\n\n\n<li>shorter life expectancy<\/li>\n<\/ul>\n\n\n\n<p>It is important to understand: <strong>Not every situation requires premium air conditioning.<\/strong>, However, in certain cases (e.g., heating systems, bedrooms), it is worth investing in better quality.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mire-figyelj-markavalasztasnal\">What should you look for when choosing a brand?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Is there a domestic service network?<\/li>\n\n\n\n<li>Will parts be available in 8\u201310 years?<\/li>\n\n\n\n<li>how stable is the manufacturer<\/li>\n\n\n\n<li>how noisy the indoor and outdoor units are<\/li>\n\n\n\n<li>what are the warranty terms and conditions<\/li>\n<\/ul>\n\n\n\n<p>A good climate <strong>it doesn't start with the box<\/strong>, but rather on long-term usability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"klima-telepites-alapveto-tudnivalok-vasarlas-elott\">Air conditioner installation \u2013 essential information before purchasing<\/h2>\n\n\n\n<p>Even the best air conditioner will perform poorly if <strong>is not installed correctly<\/strong>. The quality of the installation is at least as important as the device itself.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"belteri-es-kulteri-egyseg-elhelyezese\">Indoor and outdoor unit placement<\/h3>\n\n\n\n<p>Important for indoor units:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Do not spray directly onto beds or sofas.<\/li>\n\n\n\n<li>there should be sufficient air circulation<\/li>\n\n\n\n<li>be in an easily cleanable place<\/li>\n<\/ul>\n\n\n\n<p>For outdoor units:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>stable mounting<\/li>\n\n\n\n<li>adequate noise distance<\/li>\n\n\n\n<li>good ventilation<\/li>\n\n\n\n<li>maintenance access<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"elektromos-es-szerelesi-feltetelek\">Electrical and installation requirements<\/h3>\n\n\n\n<p>One climate:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>may require a separate circuit<\/li>\n\n\n\n<li>with adequate insurance<\/li>\n\n\n\n<li>professional piping and vacuuming<\/li>\n<\/ul>\n\n\n\n<p>Errors made during installation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>reduced efficiency<\/li>\n\n\n\n<li>more frequent malfunctions<\/li>\n\n\n\n<li>loss of warranty<\/li>\n<\/ul>\n\n\n\n<p>can lead.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"klima-hasznalata-hatekony-es-egeszseges-mukodtetes\">Using air conditioning \u2013 efficient and healthy operation<\/h2>\n\n\n\n<p>The air conditioner operates economically and comfortably when <strong>use correctly<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"idealis-homerseklet-beallitas\">Ideal temperature setting<\/h3>\n\n\n\n<p>In summer, the difference between the outside and inside temperatures should not exceed 6\u20138 \u00b0C.<\/p>\n\n\n\n<p>When it comes to heating, steady, continuous operation is the most efficient.<\/p>\n\n\n\n<p>Settings that are too low or too high:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>increases consumption<\/li>\n\n\n\n<li>impairs comfort<\/li>\n\n\n\n<li>may cause health complaints<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gyakori-felhasznaloi-hibak\">Common user errors<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>switching on and off<\/li>\n\n\n\n<li>forced draft<\/li>\n\n\n\n<li>neglected filters<\/li>\n\n\n\n<li>too infrequent maintenance<\/li>\n<\/ul>\n\n\n\n<p>All of these reduce efficiency and air quality.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"karbantartas-es-tisztitas-a-klima-elettartamanak-kulcsa\">Maintenance and cleaning \u2013 the key to extending the life of your air conditioner<\/h2>\n\n\n\n<p>A <a href=\"https:\/\/a3klima.hu\/en\/knowledge-base\/air-conditioning-and-heat-pump-system-maintenance\/\">air conditioning maintenance<\/a> <strong>not optional<\/strong>, but a basic requirement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"milyen-gyakran-kell-karbantartani\">How often does it need to be serviced?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For residential use: at least once a year<\/li>\n\n\n\n<li>For air conditioning used for heating: twice a year<\/li>\n<\/ul>\n\n\n\n<p>Part of maintenance:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cleaning filters<\/li>\n\n\n\n<li>disinfection of heat exchangers<\/li>\n\n\n\n<li>checking condensate drainage<\/li>\n\n\n\n<li>operational control<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mi-tortenik-ha-elmarad\">What happens if it is delayed?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>air quality deteriorates<\/li>\n\n\n\n<li>consumption increases<\/li>\n\n\n\n<li>lifespan decreases<\/li>\n\n\n\n<li>health risks arise<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"gyakori-kerdesek-klimaberendezesekrol\">Frequently asked questions about air conditioners<\/h2>\n\n\n\n<p><strong>Is the climate healthy?<\/strong><br>Yes, if it is properly maintained and well adjusted.<\/p>\n\n\n\n<p><strong>Can air conditioning be used for heating in winter?<\/strong><br>Yes, under the right conditions and with the right type.<\/p>\n\n\n\n<p><strong>How long does an air conditioner last?<\/strong><br>On average, 10\u201315 years, depending on maintenance and use.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"osszefoglalas-mikor-jo-dontes-a-klimaberendezes\">Summary \u2013 when is air conditioning a good decision?<\/h2>\n\n\n\n<p>Air conditioning is a good choice if:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You are looking for a quick and flexible solution<\/li>\n\n\n\n<li>comfort and air quality are important<\/li>\n\n\n\n<li>you want an energy-efficient system<\/li>\n\n\n\n<li>think long term<\/li>\n<\/ul>\n\n\n\n<p>The right device, <strong>professional installation and regular maintenance<\/strong> together provide the comfort that is why more and more people are choosing air conditioning today.<\/p>","protected":false},"excerpt":{"rendered":"<p>A kl\u00edmaberendez\u00e9s (l\u00e9gkondicion\u00e1l\u00f3) feladata a bels\u0151 terek h\u0151m\u00e9rs\u00e9klet\u00e9nek, p\u00e1ratartalm\u00e1nak \u00e9s leveg\u0151min\u0151s\u00e9g\u00e9nek szab\u00e1lyoz\u00e1sa. A modern kl\u00edm\u00e1k messze t\u00falmutatnak a klasszikus ny\u00e1ri h\u0171t\u00e9sen: ma m\u00e1r f\u0171t\u00e9sre, p\u00e1r\u00e1tlan\u00edt\u00e1sra \u00e9s leveg\u0151sz\u0171r\u00e9sre is haszn\u00e1ljuk \u0151ket, sok esetben eg\u00e9sz \u00e9ves komfortmegold\u00e1sk\u00e9nt. M\u0171szaki \u00e9rtelemben a legt\u00f6bb kl\u00edma leveg\u0151\u2013leveg\u0151 h\u0151szivatty\u00fa, vagyis nem h\u0151t termel, hanem h\u0151t sz\u00e1ll\u00edt. 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