{"id":6030,"date":"2026-07-11T00:34:33","date_gmt":"2026-07-10T17:34:33","guid":{"rendered":"https:\/\/onggiosaoviet.vn\/?p=6030"},"modified":"2026-07-22T00:37:47","modified_gmt":"2026-07-21T17:37:47","slug":"ong-gio-vuong-va-chu-nhat-sao-viet-lua-chon-toi-uu-cho-he-thong-hvac","status":"publish","type":"post","link":"https:\/\/onggiosaoviet.vn\/en\/ong-gio-vuong-va-chu-nhat-sao-viet-lua-chon-toi-uu-cho-he-thong-hvac\/","title":{"rendered":"Sao Viet Square and Rectangular Ducts \u2013 The Optimal Choice for HVAC Systems"},"content":{"rendered":"<figure class=\"wp-block-post-featured-image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"1920\" src=\"https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-dai-dien-bai-5-T4-scaled.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" style=\"object-fit:cover;\" srcset=\"https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-dai-dien-bai-5-T4-scaled.jpg 2560w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-dai-dien-bai-5-T4-300x225.jpg 300w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-dai-dien-bai-5-T4-1024x768.jpg 1024w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-dai-dien-bai-5-T4-768x576.jpg 768w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-dai-dien-bai-5-T4-1536x1152.jpg 1536w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-dai-dien-bai-5-T4-2048x1536.jpg 2048w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-dai-dien-bai-5-T4-16x12.jpg 16w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-dai-dien-bai-5-T4-600x450.jpg 600w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n<p class=\"wp-block-paragraph\">In air conditioning (HVAC), ventilation, and fire protection systems, <strong>Square and rectangular air ducts<\/strong> This product line is widely used due to its ability to conduct large volumes of air, maximize installation space, and facilitate easy installation. It is an ideal choice for residential buildings, factories, shopping malls, and high-rise buildings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As a direct manufacturer located in Hai Phong, <strong>Sao Viet Air Duct<\/strong> We provide products manufactured according to drawings, fully meeting the technical standards and stringent requirements of HVAC, M&amp;E, and fire protection projects nationwide.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Structure of Sao Viet square and rectangular air ducts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Square and rectangular air ducts are manufactured from <strong>Z080 galvanized steel<\/strong>, Stainless steel or other materials as required, ensuring high durability, corrosion resistance, and long service life.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depending on the design of each project, Sao Viet produces common types of connections such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TDC flange.<\/li>\n\n\n\n<li>TDF flange.<\/li>\n\n\n\n<li>C-shaped trim is suitable for locations with limited installation space.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">All products are manufactured on modern machinery lines, ensuring precise dimensions, uniform joints, and convenient assembly on site.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/03\/Anh-Bai-2-thang-3-1024x683.jpg\" alt=\"\" class=\"wp-image-5464\" srcset=\"https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/03\/Anh-Bai-2-thang-3-1024x683.jpg 1024w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/03\/Anh-Bai-2-thang-3-300x200.jpg 300w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/03\/Anh-Bai-2-thang-3-768x512.jpg 768w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/03\/Anh-Bai-2-thang-3-1536x1024.jpg 1536w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/03\/Anh-Bai-2-thang-3-18x12.jpg 18w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/03\/Anh-Bai-2-thang-3-600x400.jpg 600w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/03\/Anh-Bai-2-thang-3.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2. Outstanding advantages<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sao Viet&#039;s square and rectangular air ducts offer numerous benefits to contractors and investors:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Precise machining according to design drawings.<\/li>\n\n\n\n<li>The surface is smooth and beautiful, with sharp, square edges.<\/li>\n\n\n\n<li>High sealing efficiency reduces airflow loss.<\/li>\n\n\n\n<li>Easy to wrap with insulation and install.<\/li>\n\n\n\n<li>Good antioxidant and corrosion resistance.<\/li>\n\n\n\n<li>Meets the technical standards of HVAC and fire protection systems.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcde Need a quote for ductwork based on drawings?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Simply send us the drawings or quantities, and our engineering team will assist you. <strong>Sao Viet Air Duct<\/strong> will:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rapid quantity takeoff.<\/li>\n\n\n\n<li>Consulting on cost-effective solutions.<\/li>\n\n\n\n<li>Direct quotes from the manufacturer.<\/li>\n\n\n\n<li>The manufacturing process adheres to technical standards.<\/li>\n\n\n\n<li>Delivery will be on schedule as per the project plan.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. Practical applications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Square and rectangular ductwork are widely used in many ventilation and air conditioning systems such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Central air conditioning (HVAC) system.<\/li>\n\n\n\n<li>Factories and industrial parks.<\/li>\n\n\n\n<li>Shopping mall.<\/li>\n\n\n\n<li>Apartment buildings and office buildings.<\/li>\n\n\n\n<li>Hospitals, schools.<\/li>\n\n\n\n<li>Fresh air supply system.<\/li>\n\n\n\n<li>Smoke extraction system.<\/li>\n\n\n\n<li>Staircase pressurization system.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">With its ability to handle high airflow and optimize installation space, this product line is a preferred choice for many engineers and contractors.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-1-Bai-1-T4.png\" alt=\"\" class=\"wp-image-5710\" srcset=\"https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-1-Bai-1-T4.png 800w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-1-Bai-1-T4-300x188.png 300w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-1-Bai-1-T4-768x480.png 768w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-1-Bai-1-T4-18x12.png 18w, https:\/\/onggiosaoviet.vn\/wp-content\/uploads\/2026\/04\/Anh-1-Bai-1-T4-600x375.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4. Why choose Sao Viet Air Ducts?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Not only do they provide quality products, <strong>Sao Viet Air Duct<\/strong> It is also a trusted partner of many M&amp;E and fire protection contractors thanks to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The factory is located directly in Hai Phong.<\/li>\n\n\n\n<li>Manufacturing will be done according to the design drawings.<\/li>\n\n\n\n<li>Quick and competitive quotes.<\/li>\n\n\n\n<li>Delivery was on schedule.<\/li>\n\n\n\n<li>Technical support throughout the construction process.<\/li>\n\n\n\n<li>Strict quality control is implemented before shipment.<\/li>\n\n\n\n<li>Complete documentation is available for project acceptance.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclude<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choosing a reputable manufacturer is crucial for ensuring the stable operation of the HVAC system, guaranteeing the quality and progress of the entire project.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With modern machinery, a team of experienced technicians, and a strict quality control process, <strong>Sao Viet Air Duct<\/strong> We are committed to delivering products that meet technical standards and fulfill all requirements for civil and industrial projects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you need <strong>Technical consultation, drawing breakdown, or quotation for square and rectangular ductwork.<\/strong>, Please contact us for prompt assistance.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions (FAQ)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. What are the differences between square and rectangular air ducts?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Both types have the same structure and function, differing only in cross-sectional area ratios. Depending on the installation space and required airflow, engineers will choose the appropriate type.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Does Sao Viet accept custom orders based on drawings?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. We accept orders for manufacturing based on customer-provided design drawings or dimensions, ensuring compliance with specifications and technical standards.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. What material is the product made from?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Air ducts are manufactured from Z080 galvanized steel, stainless steel, or other materials as required by each project.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Does Sao Viet deliver outside of Hai Phong?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. We supply and deliver products to construction sites nationwide according to the committed schedule.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Does the product have all the necessary documentation?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. All products are provided with complete invoices and necessary documentation for acceptance testing.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Contact us for consultation and pricing.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you are looking for a company <strong>Manufacturing square and rectangular air ducts<\/strong> For reputable HVAC, M&amp;E, and fire protection projects, please contact us. <strong>Sao Viet Air Duct<\/strong> To receive technical advice, detailed drawings, and direct quotes from the factory.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SAO VIET AIR DUCT MANUFACTURING AND TRADING COMPANY LIMITED<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccd <strong>Address:<\/strong> 267 Le Thanh Tong Street, May Chai Ward, Ngo Quyen District, Hai Phong City.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcde <strong>Hotline:<\/strong> 0815.999.826 (Mrs. Hang) \u2013 0934.559.168 (Mrs. Giang)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udce7 <strong>E-mail:<\/strong> <a href=\"mailto:vietonggio@gmail.com\">vietonggio@gmail.com<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed (HVAC), th\u00f4ng gi\u00f3 v\u00e0 ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y (PCCC), \u1ed1ng gi\u00f3 vu\u00f4ng v\u00e0 ch\u1eef nh\u1eadt l\u00e0 d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1edd kh\u1ea3 n\u0103ng d\u1eabn l\u01b0u l\u01b0\u1ee3ng gi\u00f3 l\u1edbn, t\u1eadn d\u1ee5ng t\u1ed1i \u0111a kh\u00f4ng gian l\u1eafp \u0111\u1eb7t v\u00e0 d\u1ec5 d\u00e0ng thi c\u00f4ng. \u0110\u00e2y l\u00e0 [&hellip;]<\/p>","protected":false},"author":4,"featured_media":5731,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[155,273,239,193,133,135],"class_list":["post-6030","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-bao-gia-ong-gio-hai-phong","tag-giai-phap-cho-he-thong-ong-gio","tag-he-thong-ong-gio","tag-ong-gio-chong-chay","tag-ong-gio-hai-phong","tag-san-xuat-ong-gio-hai-phong"],"_links":{"self":[{"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/posts\/6030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/comments?post=6030"}],"version-history":[{"count":1,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/posts\/6030\/revisions"}],"predecessor-version":[{"id":6031,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/posts\/6030\/revisions\/6031"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/media\/5731"}],"wp:attachment":[{"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/media?parent=6030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/categories?post=6030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onggiosaoviet.vn\/en\/wp-json\/wp\/v2\/tags?post=6030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}