{"id":2196,"date":"2026-01-19T17:19:43","date_gmt":"2026-01-19T09:19:43","guid":{"rendered":"https:\/\/fullasmachine.com\/?p=2196"},"modified":"2026-01-19T17:24:09","modified_gmt":"2026-01-19T09:24:09","slug":"can-a-5-0kw-power-supply-run-two-2p-air-conditioners","status":"publish","type":"post","link":"https:\/\/fullasmachine.com\/pt\/can-a-5-0kw-power-supply-run-two-2p-air-conditioners\/","title":{"rendered":"Uma fonte de alimenta\u00e7\u00e3o de 5,0 kW pode alimentar dois aparelhos de ar condicionado 2P?"},"content":{"rendered":"\n<p class=\"has--font-size\">When people ask whether a <strong>5.0kW power supply<\/strong> can run <strong>two 2P air conditioners<\/strong>, the real question is not just \u201cHow many kilowatts?\u201d but also \u201cHow big is the startup surge?\u201d Air conditioners (especially compressor-based units) often draw much more power during startup than during normal running. This article walks you through a clear, practical way to judge if <strong>5.0kW Power<\/strong> is enough, and what conditions must be met for stable operation.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2196_b76c79-a8, .wp-block-kadence-advancedheading.kt-adv-heading2196_b76c79-a8[data-kb-block=\"kb-adv-heading2196_b76c79-a8\"]{font-style:normal;text-transform:capitalize;}.wp-block-kadence-advancedheading.kt-adv-heading2196_b76c79-a8 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2196_b76c79-a8[data-kb-block=\"kb-adv-heading2196_b76c79-a8\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<h2 class=\"kt-adv-heading2196_b76c79-a8 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2196_b76c79-a8\">What \u201c2P\u201d Means and Why It Matters<\/h2>\n\n\n\n<p>In many Asian markets, \u201cP\u201d (horsepower class) is used as a quick way to describe AC size. A <strong>2P air conditioner<\/strong> typically corresponds to roughly <strong>5.0 kW of cooling capacity<\/strong> (capacity, not electrical input). Cooling capacity is not the same as the electricity the unit consumes. The electrical input depends on efficiency (often shown as COP\/EER).<\/p>\n\n\n<style>.kb-image2196_af2e47-3f .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2196_af2e47-3f\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"584\" height=\"420\" src=\"https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-1.-Typical-Air-Conditioner-Power-Consumption-Chart.png\" alt=\"Typical Air Conditioner Power Consumption Chart\" class=\"kb-img wp-image-2198\" srcset=\"https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-1.-Typical-Air-Conditioner-Power-Consumption-Chart.png 584w, https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-1.-Typical-Air-Conditioner-Power-Consumption-Chart-300x216.png 300w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><figcaption>This chart illustrates the typical electrical power consumption of air conditioners with different capacities, helping estimate running power requirements under normal operating conditions.<\/figcaption><\/figure><\/div>\n\n\n\n<p>A simple engineering estimate is:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cooling capacity (kW) \u2248 P \u00d7 2.5<\/strong><\/li>\n\n\n\n<li><strong>Electrical input power (kW) \u2248 Cooling capacity \u00f7 COP<\/strong><\/li>\n<\/ul>\n\n\n\n<p>For many common units, COP is often around <strong>3<\/strong> (varies by model and conditions). That means a typical 2P AC often runs around <strong>1.6\u20132.0 kW<\/strong> once stabilized.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2196_819568-75, .wp-block-kadence-advancedheading.kt-adv-heading2196_819568-75[data-kb-block=\"kb-adv-heading2196_819568-75\"]{font-style:normal;text-transform:capitalize;}.wp-block-kadence-advancedheading.kt-adv-heading2196_819568-75 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2196_819568-75[data-kb-block=\"kb-adv-heading2196_819568-75\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<h2 class=\"kt-adv-heading2196_819568-75 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2196_819568-75\">Step 1: Estimate the Running Power (Most People Stop Here)<\/h2>\n\n\n\n<p>Use this quick estimate for one 2P unit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cooling capacity \u2248 <strong>2 \u00d7 2.5 = 5.0 kW<\/strong><\/li>\n\n\n\n<li>If COP \u2248 <strong>3<\/strong>, then running input \u2248 <strong>5.0 \u00f7 3 = 1.67 kW<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Two units:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Running total \u2248 1.67 \u00d7 2 = 3.34 kW<\/strong><\/li>\n<\/ul>\n\n\n\n<p>From a pure running-power perspective, <strong>a 5.0kW power supply can usually run two 2P air conditioners<\/strong> because 3.3\u20134.0 kW total running demand is below 5.0 kW.<\/p>\n\n\n\n<p>But running power is only half of the story.<\/p>\n\n\n<style>.kb-image2196_ae45af-a3 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image2196_ae45af-a3 size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-2.-Air-Conditioner-Electricity-Usage-Overview-1024x576.jpg\" alt=\"Air Conditioner Electricity Usage Overview\" class=\"kb-img wp-image-2199\" srcset=\"https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-2.-Air-Conditioner-Electricity-Usage-Overview-1024x576.jpg 1024w, https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-2.-Air-Conditioner-Electricity-Usage-Overview-300x169.jpg 300w, https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-2.-Air-Conditioner-Electricity-Usage-Overview-768x432.jpg 768w, https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-2.-Air-Conditioner-Electricity-Usage-Overview.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>An overview of air conditioner electricity usage, showing how input power varies with capacity, efficiency, and operating conditions during daily use.<\/figcaption><\/figure>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2196_549456-3e, .wp-block-kadence-advancedheading.kt-adv-heading2196_549456-3e[data-kb-block=\"kb-adv-heading2196_549456-3e\"]{font-style:normal;text-transform:capitalize;}.wp-block-kadence-advancedheading.kt-adv-heading2196_549456-3e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2196_549456-3e[data-kb-block=\"kb-adv-heading2196_549456-3e\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<h2 class=\"kt-adv-heading2196_549456-3e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2196_549456-3e\">Step 2: Check the Startup Surge (This Decides \u201cCan It Start?\u201d)<\/h2>\n\n\n\n<p>Air conditioners with compressors can have a high startup surge. The surge depends heavily on whether the unit is inverter-based.<\/p>\n\n\n\n<p>A practical rule of thumb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Inverter AC<\/strong> startup factor: <strong>1.2\u20131.5\u00d7<\/strong> running power<\/li>\n\n\n\n<li><strong>Non-inverter (fixed-speed) AC<\/strong> startup factor: <strong>2\u20133\u00d7<\/strong> running power<\/li>\n<\/ul>\n\n\n\n<p>For one 2P unit (running \u2248 1.67 kW):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inverter startup \u2248 <strong>1.67 \u00d7 1.3 \u2248 2.2 kW<\/strong><\/li>\n\n\n\n<li>Non-inverter startup \u2248 <strong>1.67 \u00d7 2.5 \u2248 4.2 kW<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Now consider two units:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If both start at the same time, the surge could exceed 5.0 kW for non-inverter units.<\/li>\n\n\n\n<li>If you start them one-by-one (staggered start), 5.0 kW becomes much more realistic.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2196_0a0f43-5d, .wp-block-kadence-advancedheading.kt-adv-heading2196_0a0f43-5d[data-kb-block=\"kb-adv-heading2196_0a0f43-5d\"]{font-style:normal;text-transform:capitalize;}.wp-block-kadence-advancedheading.kt-adv-heading2196_0a0f43-5d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2196_0a0f43-5d[data-kb-block=\"kb-adv-heading2196_0a0f43-5d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<h2 class=\"kt-adv-heading2196_0a0f43-5d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2196_0a0f43-5d\">Practical Conclusions (Real-World Answer)<\/h2>\n\n\n\n<p>A <strong>5.0kW Power<\/strong> supply can run two 2P air conditioners under these common scenarios:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Scenario A: Two inverter 2P air conditioners<\/h3>\n\n\n\n<p>Usually <strong>YES<\/strong>. Startup surge is modest, and running power fits comfortably within 5.0 kW.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Scenario B: Two non-inverter 2P air conditioners (compressor fixed-speed)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Running:<\/strong> Often YES<\/li>\n\n\n\n<li><strong>Starting:<\/strong> It depends<br>If both compressors start together, it may overload a 5.0 kW supply. If you start them one-by-one, it is much more likely to work reliably.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Scenario C: One 2P air conditioner + other loads (lights, fridge, tools, etc.)<\/h3>\n\n\n\n<p>Still possible, but you must add those loads to the total and keep margin. Many \u201cit worked yesterday\u201d overload issues come from small extra loads added on top.<\/p>\n\n\n<style>.kb-image2196_d38052-66 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image2196_d38052-66 size-large\"><img decoding=\"async\" width=\"1024\" height=\"648\" src=\"https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-3.-Rated-Power-Consumption-of-Air-Conditioners-1024x648.png\" alt=\"Rated Power Consumption of Air Conditioners\" class=\"kb-img wp-image-2200\" srcset=\"https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-3.-Rated-Power-Consumption-of-Air-Conditioners-1024x648.png 1024w, https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-3.-Rated-Power-Consumption-of-Air-Conditioners-300x190.png 300w, https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-3.-Rated-Power-Consumption-of-Air-Conditioners-768x486.png 768w, https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-3.-Rated-Power-Consumption-of-Air-Conditioners-1536x971.png 1536w, https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/Figure-3.-Rated-Power-Consumption-of-Air-Conditioners-2048x1295.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>Comparison of rated power consumption across different air conditioner sizes, useful for evaluating whether a 5.0kW power supply can support multiple AC units.<\/figcaption><\/figure>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2196_1e4cb0-9e, .wp-block-kadence-advancedheading.kt-adv-heading2196_1e4cb0-9e[data-kb-block=\"kb-adv-heading2196_1e4cb0-9e\"]{font-style:normal;text-transform:capitalize;}.wp-block-kadence-advancedheading.kt-adv-heading2196_1e4cb0-9e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2196_1e4cb0-9e[data-kb-block=\"kb-adv-heading2196_1e4cb0-9e\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<h2 class=\"kt-adv-heading2196_1e4cb0-9e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2196_1e4cb0-9e\">A Simple Checklist Before You Decide<\/h2>\n\n\n\n<p>To judge correctly, confirm these details:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Are the AC units <strong>inverter<\/strong> or <strong>non-inverter<\/strong>?<\/li>\n\n\n\n<li>What is each unit\u2019s <strong>rated input power (W)<\/strong> on the nameplate?<\/li>\n\n\n\n<li>Does your power supply provide <strong>5.0 kW continuous<\/strong>, and what is its <strong>surge\/peak rating<\/strong>?<\/li>\n\n\n\n<li>Will both units start <strong>simultaneously<\/strong> or <strong>staggered<\/strong>?<\/li>\n<\/ul>\n\n\n\n<p>If you can share the AC nameplate \u201cRated Input Power\u201d and whether it\u2019s inverter or non-inverter, you can make the decision nearly 100% accurate.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2196_dcd6b7-a0, .wp-block-kadence-advancedheading.kt-adv-heading2196_dcd6b7-a0[data-kb-block=\"kb-adv-heading2196_dcd6b7-a0\"]{font-style:normal;text-transform:capitalize;}.wp-block-kadence-advancedheading.kt-adv-heading2196_dcd6b7-a0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2196_dcd6b7-a0[data-kb-block=\"kb-adv-heading2196_dcd6b7-a0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<h2 class=\"kt-adv-heading2196_dcd6b7-a0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2196_dcd6b7-a0\">Recommended Setup Tips for Stable Operation<\/h2>\n\n\n\n<p>If you must run two 2P units on a 5.0kW supply, these tips help a lot:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prefer <strong>inverter<\/strong> AC units for lower startup surge.<\/li>\n\n\n\n<li>Start units <strong>one at a time<\/strong> (30\u201360 seconds apart is usually enough).<\/li>\n\n\n\n<li>Avoid adding large extra loads during startup (kettle, microwave, pump, compressor tools).<\/li>\n\n\n\n<li>If the supply is a generator, keep RPM stable and ensure proper voltage regulation (AVR) to reduce nuisance trips.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2196_1f4712-35, .wp-block-kadence-advancedheading.kt-adv-heading2196_1f4712-35[data-kb-block=\"kb-adv-heading2196_1f4712-35\"]{font-style:normal;text-transform:capitalize;}.wp-block-kadence-advancedheading.kt-adv-heading2196_1f4712-35 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2196_1f4712-35[data-kb-block=\"kb-adv-heading2196_1f4712-35\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<h2 class=\"kt-adv-heading2196_1f4712-35 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2196_1f4712-35\">Final Answer<\/h2>\n\n\n\n<p class=\"has--font-size\">In most practical cases, <strong>a 5.0kW power supply can run two 2P air conditioners<\/strong>, especially if they are inverter models or if you start them one-by-one. The deciding factor is not the running power, but the <strong>startup surge<\/strong> and the <strong>continuous vs peak rating<\/strong> of the 5.0 kW system.<\/p>\n\n\n\n<p class=\"has--font-size\">If you are looking to purchase a <strong>5.0kW power supply manufactured by a reliable China factory<\/strong>, please feel free to <a href=\"https:\/\/fullasmachine.com\/contact\/\">contact us<\/a> for specifications, pricing, and technical support.<\/p>\n\n\n\n<p class=\"has--font-size\">Social:<br><a href=\"https:\/\/www.facebook.com\/Cqfullas\" target=\"_blank\" rel=\"noopener\">Facebook<\/a>; <a href=\"https:\/\/www.linkedin.com\/company\/14609362\/admin\/dashboard\/\" target=\"_blank\" rel=\"noopener\">LinkedIn<\/a>; <a href=\"https:\/\/www.youtube.com\/@Fullas-Power\" target=\"_blank\" rel=\"noopener\">YouTube<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quando as pessoas perguntam se uma fonte de alimenta\u00e7\u00e3o de 5,0 kW pode fazer funcionar dois aparelhos de ar condicionado 2P, a verdadeira quest\u00e3o n\u00e3o \u00e9 apenas \u201cQuantos quilowatts?\u201d, mas tamb\u00e9m \u201cQual a dimens\u00e3o do pico de arranque?\u201d Os aparelhos de ar condicionado (especialmente as unidades baseadas em compressores) consomem frequentemente muito mais energia durante o arranque do que durante o funcionamento normal. Este artigo apresenta-lhe um m\u00e9todo claro e pr\u00e1tico...<\/p>","protected":false},"author":1,"featured_media":2197,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-2196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"taxonomy_info":{"category":[{"value":9,"label":"Blogs"}]},"featured_image_src_large":["https:\/\/fullasmachine.com\/wp-content\/uploads\/2026\/01\/5.0kw-power.png",930,620,false],"author_info":{"display_name":"FULLAS","author_link":"https:\/\/fullasmachine.com\/pt\/author\/fullas\/"},"comment_info":0,"category_info":[{"term_id":9,"name":"Blogs","slug":"blogs","term_group":0,"term_taxonomy_id":9,"taxonomy":"category","description":"","parent":0,"count":35,"filter":"raw","cat_ID":9,"category_count":35,"category_description":"","cat_name":"Blogs","category_nicename":"blogs","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/posts\/2196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/comments?post=2196"}],"version-history":[{"count":2,"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/posts\/2196\/revisions"}],"predecessor-version":[{"id":2203,"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/posts\/2196\/revisions\/2203"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/media\/2197"}],"wp:attachment":[{"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/media?parent=2196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/categories?post=2196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fullasmachine.com\/pt\/wp-json\/wp\/v2\/tags?post=2196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}