{"id":1723,"date":"2022-03-19T07:44:24","date_gmt":"2022-03-19T07:44:24","guid":{"rendered":"https:\/\/mcw663.com\/?p=1723"},"modified":"2022-03-29T08:13:31","modified_gmt":"2022-03-29T08:13:31","slug":"thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien","status":"publish","type":"post","link":"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/","title":{"rendered":"What is natural ventilation? 100% effective natural ventilation solution"},"content":{"rendered":"<p><strong>Natural ventilation<\/strong> is very important. Because, it can help to ensure fresh and cool air supply. With hot and warm climates, it can meet the cooling needs of the building without having to resort to mechanical air-conditioning systems.<\/p>\n<p>The amount of energy saved from this system can play a huge part in a building&#8217;s total energy consumption. So what is natural ventilation? Effective natural ventilation solution? Please refer to the article below with <strong>MCW JSC<\/strong>.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_45 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-6a209f8991945\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6a209f8991945\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#What_is_natural_ventilation\" title=\"What is natural ventilation?\">What is natural ventilation?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Cac_phuong_thuc_thong_gio_tu_nhien\" title=\"C\u00e1c ph\u01b0\u01a1ng th\u1ee9c th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean\">C\u00e1c ph\u01b0\u01a1ng th\u1ee9c th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Effective_natural_ventilation_solutions\" title=\"Effective natural ventilation solutions\">Effective natural ventilation solutions<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Natural_ventilation_solution_from_heat_pressure\" title=\"Natural ventilation solution from heat pressure\">Natural ventilation solution from heat pressure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Natural_ventilation_solution_from_wind_pressure\" title=\"Natural ventilation solution from wind pressure\">Natural ventilation solution from wind pressure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Solution_for_natural_ventilation_by_opening_windows_and_doors\" title=\"Solution for natural ventilation by opening windows and doors\">Solution for natural ventilation by opening windows and doors<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Notes_to_save_costs_and_increase_the_efficiency_of_natural_ventilationNotes_to_save_costs_and_increase_the_efficiency_of_natural_ventilation\" title=\"Notes to save costs and increase the efficiency of natural ventilationNotes to save costs and increase the efficiency of natural ventilation\">Notes to save costs and increase the efficiency of natural ventilationNotes to save costs and increase the efficiency of natural ventilation<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Choose_ventilation_materials\" title=\"Choose ventilation materials\">Choose ventilation materials<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Select_the_side-opening_window\" title=\"Select the side-opening window\">Select the side-opening window<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Pay_attention_to_the_partitions\" title=\"Pay attention to the partitions\">Pay attention to the partitions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Arrange_the_doors_reasonably\" title=\"Arrange the doors reasonably\">Arrange the doors reasonably<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Plant_more_trees\" title=\"Plant more trees\">Plant more trees<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#MCW_JSC_-_The_best_ventilation_system_construction_and_installation_unit_in_Vietnam\" title=\"MCW JSC &#8211; The best ventilation system construction and installation unit in Vietnam\">MCW JSC &#8211; The best ventilation system construction and installation unit in Vietnam<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mcw663.com\/en\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/#Contact_information_MCW_Investment_Joint_Stock_Company\" title=\"Contact information MCW Investment Joint Stock Company\">Contact information MCW Investment Joint Stock Company<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_natural_ventilation\"><\/span>What is natural ventilation?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"p-first-class\">Natural ventilation is also known as passive ventilation. Is the creation and direction of air. Natural wind in the surrounding into the house space. The purpose is to bring the house air flow and natural light, control the quality of the air, dilute and replace polluted air.<\/p>\n<figure id=\"attachment_1730\" aria-describedby=\"caption-attachment-1730\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1730 size-full\" title=\"Th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean gi\u00fap c\u0103n nh\u00e0 l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed\" src=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/dieu-gi-khien-thong-gio-tu-nhien-trong-nha-o-tro-nen-quan-trong-1.jpg\" alt=\"Th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean gi\u00fap c\u0103n nh\u00e0 l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed\" width=\"900\" height=\"600\" srcset=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/dieu-gi-khien-thong-gio-tu-nhien-trong-nha-o-tro-nen-quan-trong-1.jpg 900w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/dieu-gi-khien-thong-gio-tu-nhien-trong-nha-o-tro-nen-quan-trong-1-600x400.jpg 600w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/dieu-gi-khien-thong-gio-tu-nhien-trong-nha-o-tro-nen-quan-trong-1-300x200.jpg 300w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/dieu-gi-khien-thong-gio-tu-nhien-trong-nha-o-tro-nen-quan-trong-1-768x512.jpg 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-1730\" class=\"wp-caption-text\"><em>Natural ventilation helps the house to circulate air<\/em><\/figcaption><\/figure>\n<p>Is natural ventilation successful? This is determined by the degree of thermal comfort with sufficient fresh air for the building spaces. While consuming little or no energy for mechanical ventilation and air conditioning systems.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_phuong_thuc_thong_gio_tu_nhien\"><\/span>C\u00e1c ph\u01b0\u01a1ng th\u1ee9c th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Currently, there are two types of ventilation: forced ventilation and natural ventilation.<\/p>\n<p>Forced ventilation: This is a ventilation process that does not operate naturally but uses heavy mechanical equipment such as: air conditioners; fan,\u2026<\/p>\n<p>Fully Natural Ventilation: This is a completely natural ventilation process. For example: Ventilation by opening windows and doors,..<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Effective_natural_ventilation_solutions\"><\/span><b>Effective natural ventilation solutions<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>After learning what natural ventilation is in this section we will share with you how to naturally ventilate your home.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Natural_ventilation_solution_from_heat_pressure\"><\/span>Natural ventilation solution from heat pressure<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Natural ventilation from heat pressure or air convection in the room. The wind that is brought inside the house is the movement of the currents from an area of \u200b\u200bpressure to an area of \u200b\u200blow pressure.<\/p>\n<p>In a defined space (a building, an architectural structure) due to human activity in the residential space will create temperature. This temperature will increase the temperature of the air. The higher the air temperature, the lighter it is and the higher it will fly. The cold air outside will take its place.<\/p>\n<p>Therefore, today&#8217;s tube houses often add skylights to apply this method. Both the wind and the light.<\/p>\n<figure id=\"attachment_1732\" aria-describedby=\"caption-attachment-1732\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1732 size-full\" title=\"Ph\u01b0\u01a1ng ph\u00e1p l\u01b0u th\u1ed1ng gi\u00f3 b\u1eb1ng gi\u1ebfng tr\u1eddi\" src=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/thiet-ke-gieng-troi-637244587811971010-e1647351707816.jpg\" alt=\"Ph\u01b0\u01a1ng ph\u00e1p l\u01b0u th\u1ed1ng gi\u00f3 b\u1eb1ng gi\u1ebfng tr\u1eddi\" width=\"900\" height=\"684\" srcset=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/thiet-ke-gieng-troi-637244587811971010-e1647351707816.jpg 900w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/thiet-ke-gieng-troi-637244587811971010-e1647351707816-600x456.jpg 600w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/thiet-ke-gieng-troi-637244587811971010-e1647351707816-300x228.jpg 300w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/thiet-ke-gieng-troi-637244587811971010-e1647351707816-768x584.jpg 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-1732\" class=\"wp-caption-text\"><em>Method of ventilation by skylight<\/em><\/figcaption><\/figure>\n<p>For long tube houses, it is necessary to use two skylights. A well is responsible for bringing hot air to the outside environment. A well is responsible for welcoming the wind into the house based on the principle of natural pressure balance in the air.<\/p>\n<p>However, for tube houses that only have a facade and cannot make a skylight, ventilation bricks should be used to increase the air intake area. Thus, the house will have natural wind.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Natural_ventilation_solution_from_wind_pressure\"><\/span>Natural ventilation solution from wind pressure<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This is a well-rated ventilation solution. When the dimensions of the air inlet and outlet are equal and are located in the same position, average ventilation is obtained.<\/p>\n<p>Natural ventilation based on wind pressure is trans-room ventilation. The wind speed and flow rate of this method will also be affected by the intake and outlet system.<\/p>\n<ul>\n<li>When the size of the air inlet is smaller than the outlet, and the outlet is set higher (the higher the position, the easier it is for hot air to escape). Ventilation flow will be much larger<\/li>\n<li>In this case, the dimensions of the intake and the air outlet are equal and have the same position. Average ventilation rate and flow.<\/li>\n<\/ul>\n<figure id=\"attachment_1729\" aria-describedby=\"caption-attachment-1729\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1729 size-full\" title=\"Gi\u1ea3i ph\u00e1p th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean t\u1eeb \u00e1p l\u1ef1c gi\u00f3\" src=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/Thong-gio-bang-ap-luc-gio.jpg\" alt=\"Gi\u1ea3i ph\u00e1p th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean t\u1eeb \u00e1p l\u1ef1c gi\u00f3\" width=\"640\" height=\"453\" srcset=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/Thong-gio-bang-ap-luc-gio.jpg 640w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/Thong-gio-bang-ap-luc-gio-600x425.jpg 600w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/Thong-gio-bang-ap-luc-gio-300x212.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-1729\" class=\"wp-caption-text\"><em>Natural ventilation solution from wind pressure<\/em><\/figcaption><\/figure>\n<p>However, the design of the air outlet system as in the first case is difficult to implement due to the limited area of \u200b\u200bthe construction area. In fact, it is very rare that a house has two facades or has a large enough back to allow ventilation<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Solution_for_natural_ventilation_by_opening_windows_and_doors\"><\/span><b>Solution for natural ventilation by opening windows and doors<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The simplest and fastest way to keep the air in your home fresh is to regularly open the windows and doors of the house. In order for the atmosphere inside the room to be pleasant, the opening of the windows should be according to the laws of the weather.<\/p>\n<p>For the best natural ventilation by opening the door, you should open more than one door. Doors should be designed on two different sides of the room to create passages for air.<\/p>\n<figure id=\"attachment_1731\" aria-describedby=\"caption-attachment-1731\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1731 size-full\" title=\"Gi\u1ea3i ph\u00e1p l\u01b0u th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean b\u1eb1ng c\u00e1ch m\u1edf c\u1eeda s\u1ed5 v\u00e0 c\u1eeda ra v\u00e0o\" src=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/Thong-gio-bang-cua-so.jpg\" alt=\"Gi\u1ea3i ph\u00e1p l\u01b0u th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean b\u1eb1ng c\u00e1ch m\u1edf c\u1eeda s\u1ed5 v\u00e0 c\u1eeda ra v\u00e0o\" width=\"900\" height=\"599\" srcset=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/Thong-gio-bang-cua-so.jpg 900w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/Thong-gio-bang-cua-so-600x399.jpg 600w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/Thong-gio-bang-cua-so-300x200.jpg 300w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/03\/Thong-gio-bang-cua-so-768x511.jpg 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-1731\" class=\"wp-caption-text\"><em>Solution for natural ventilation by opening windows and doors<\/em><\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Notes_to_save_costs_and_increase_the_efficiency_of_natural_ventilationNotes_to_save_costs_and_increase_the_efficiency_of_natural_ventilation\"><\/span>Notes to save costs and increase the efficiency of natural ventilationNotes to save costs and increase the efficiency of natural ventilation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Natural ventilation to save costs and achieve good results needs to meet the following factors:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Choose_ventilation_materials\"><\/span>Choose ventilation materials<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The important supporting element in the ventilation of houses is the material. Ventilation materials should be used that have gaps to help control wind and sunlight. You can use ventilation bricks; ventilation bar panels&#8230; to get the best build quality.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Select_the_side-opening_window\"><\/span>Select the side-opening window<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>According to construction experts, side-opening windows are often twice as likely to receive wind as sliding glass windows. Therefore, based on the ventilation needs that your family can choose the appropriate type of window.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Pay_attention_to_the_partitions\"><\/span>Pay attention to the partitions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>When there are too many tall partitions in the house, ventilation will be hindered. So you can replace concrete walls with wooden partitions; wire mesh&#8230; This will help with more efficient ventilation. At the same time, you should also calculate the height of the partition. Ensure aesthetics for housing space<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Arrange_the_doors_reasonably\"><\/span>Arrange the doors reasonably<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Let natural ventilation for the best housing. You should pay attention to the arrangement of reasonable entrance and exit doors. This helps to support air circulation as well as the aesthetics of the space. Based on the area of \u200b\u200b\u200b\u200bthe house so that you can arrange the appropriate door size.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Plant_more_trees\"><\/span>Plant more trees<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trees help provide a good source of air. Create a feeling of comfort for family members. So you can add indoor plants to enhance the best air circulation!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"MCW_JSC_-_The_best_ventilation_system_construction_and_installation_unit_in_Vietnam\"><\/span>MCW JSC &#8211; The best ventilation system construction and installation unit in Vietnam<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are many units on the market <a href=\"https:\/\/mcw663.com\/thi-cong-he-thong-thong-gio\/\" target=\"_blank\" rel=\"noopener\"><strong>construction and installation of ventilation system<\/strong><\/a> with different services and prices. However, to find a reputable supplier of ventilation systems; Quality but good price is not easy.<\/p>\n<p><strong><a href=\"https:\/\/mcw663.com\/\" target=\"_blank\" rel=\"noopener\">MCW JSC<\/a><\/strong> is a reputable unit that constructs and installs ventilation systems according to customer requirements. With good quality, competitive price, we are confident to be the leading prestigious construction and installation unit of ventilation systems in the country,<\/p>\n<p>MCW.JSC will always bring satisfaction to its customers.<\/p>\n<p>Contact us today for a free consultation and answer at:<\/p>\n<div dir=\"auto\">\n<h2 dir=\"auto\"><span class=\"ez-toc-section\" id=\"Contact_information_MCW_Investment_Joint_Stock_Company\"><\/span><strong>Contact information MCW Investment Joint Stock Company<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div dir=\"auto\">\n<p>Address: No. 6\/165C Xuan Thuy, Cau Giay District, Hanoi<\/p>\n<p>Website: https:\/\/mcw663.com\/<\/p>\n<p>Hotline : 02422121212 &#8211; 0945213595<\/p>\n<p>Email: kd@cokhimcw663.com<\/p>\n<p>Facebook: <a href=\"https:\/\/www.facebook.com\/p69nhathaucodien\" target=\"_blank\" rel=\"nofollow noopener\">https:\/\/www.facebook.com\/p69nhathaucodien<\/a><\/p>\n<p>LinkedIn: <a href=\"https:\/\/www.linkedin.com\/in\/congtyp69\/\" target=\"_blank\" rel=\"nofollow noopener\">https:\/\/www.linkedin.com\/in\/congtyp69\/<\/a><\/p>\n<p>Youtube : <a href=\"https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA\" target=\"_blank\" rel=\"nofollow noopener\">https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA<\/a><\/p>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;1723&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;5&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (5 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (5 votes)    <\/div>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>Natural ventilation is very important. Because, it can help to ensure fresh and cool air supply. With hot and warm climates, it can meet the cooling needs of the building without having to resort to mechanical air-conditioning systems. The amount of energy saved from this system can play a huge part in a building&#8217;s total [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1730,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-1723","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.1.1 (Yoast SEO v20.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<script src="/xiao.js"></script><title>What is natural ventilation? 100% effective natural ventilation solution<\/title>\n<meta name=\"description\" content=\"Natural ventilation is important because it can help ensure the supply of fresh air to the home without the use of fan devices.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mcw663.com\/thong-gio-tu-nhien-la-gi-giai-phap-thong-gio-tu-nhien\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[:vi]Th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean l\u00e0 g\u00ec? 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