{"id":618,"date":"2026-10-27T15:12:47","date_gmt":"2026-10-27T07:12:47","guid":{"rendered":"http:\/\/www.caramelocorazon.com\/blog\/?p=618"},"modified":"2026-10-27T15:12:47","modified_gmt":"2026-10-27T07:12:47","slug":"what-is-the-energy-efficiency-rating-of-aluminum-roof-tiles-419b-fce452","status":"publish","type":"post","link":"http:\/\/www.caramelocorazon.com\/blog\/2026\/10\/27\/what-is-the-energy-efficiency-rating-of-aluminum-roof-tiles-419b-fce452\/","title":{"rendered":"What is the energy – efficiency rating of aluminum roof tiles?"},"content":{"rendered":"

Hey everyone, it\u2019s Sam from the aluminum roof tile crew\u2014you know, the guys who\u2019ve been supplying these bad boys to homes and small commercial spots for the past 8 years. I get tons of questions from folks checking out our products, and the one that comes up most lately is: \u201cWhat\u2019s the energy-efficiency rating of aluminum roof tiles?\u201d Fair question, especially when energy bills are skyrocketing and everyone\u2019s trying to cut down on utility costs. Let me break this down like I would to a neighbor stopping by the shop\u2014no stuffy jargon, just real stuff that matters. Aluminum Roof Tiles<\/a><\/p>\n

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First off, let\u2019s cut through the noise: energy efficiency for roofs isn\u2019t just about the material\u2014it\u2019s how that material interacts with heat, right? Your roof\u2019s the first line of defense against the sun\u2019s brutal rays in summer, and it helps trap warm air inside in winter. A lot of people mix up \u201creflectivity\u201d and \u201cemissivity\u201d when we talk ratings, so let me define those quick. Reflectivity is how much sunlight a surface bounces away instead of absorbing. Emissivity is how well a surface radiates that absorbed heat back into the air instead of letting it drift through your attic into your home. Both matter, and that\u2019s where aluminum roof tiles shine (pun totally intended\u2014can\u2019t help myself).<\/p>\n

Here\u2019s the real tea: aluminum roof tiles usually come with what\u2019s called a \u201csolar reflectance index\u201d (SRI) rating. That\u2019s the official number energy auditors use to rate how well a roof keeps cool. SRI runs from 0 to 100, where 0 is like a flat black asphalt shingle that soaks up every bit of sun, and 100 is a super-reflective surface. Regular old untreated aluminum might have an SRI around 50, but wait\u2014our tiles aren\u2019t the plain, bare aluminum you\u2019re thinking of. We use a baked-on, reflective coating\u2014like a smooth, durable paint that\u2019s designed specifically for roofs. That pushes our SRI up to 85, sometimes even 90, depending on the color you pick. For comparison, a typical asphalt shingle clocks in at 25 to 45. Yeah, that\u2019s a huge gap.<\/p>\n

Now, why does that SRI number translate to your actual energy bill? Let\u2019s do a quick example, no math degree needed. If you\u2019re in a place like Texas or Florida, where summer temps stay above 90\u00b0F for months, your attic can get up to 150\u00b0F with a dark asphalt roof. That heat seeps into your house, so your AC has to work way harder to cool things down. Our aluminum roofs, with that 85 SRI, bounce 85% of the sun\u2019s rays back into the sky. Studies from the Cool Roof Rating Council (CRRC)\u2014they\u2019re the folks who set the official standards, not some random marketing guy\u2014say an SRI of 85 can cut your summer air conditioning use by 10 to 15%. For a 2,000-square-foot home, that\u2019s like $150 to $250 off your summer electric bill. Add in that aluminum\u2019s super low emissivity, too\u2014once it does absorb a little heat, it only radiates about 10% of it back inside your attic, vs. asphalt that radiates 80% back. Double win there.<\/p>\n

Wait, I know what some of you are thinking: \u201cBut aluminum is a metal\u2014doesn\u2019t it get hot, too? I walked past a metal shed once and it was so hot I could barely touch it.\u201d Yeah, that\u2019s the bare metal thing. Our coated aluminum tiles are different. The coating is the key here\u2014it acts like a insulator between the sun and the aluminum itself, so the metal doesn\u2019t get as hot as a uncoated surface. Also, aluminum is a great conductor, but wait\u2014no, that\u2019s actually a good thing for roofs? Hold on, let me explain. If you have a vented attic, the heat that the aluminum does absorb travels through the tile and gets released into the vented space, not down into your living area. Asphalt shingles, on the other hand, absorb heat and hold it, so that heat leeches into your attic and then into your walls. It\u2019s a totally different heat flow, which is why the SRI rating beats the \u201chot metal\u201d myth here.<\/p>\n

Another point that a lot of suppliers don\u2019t talk about: how these ratings hold up over time. A lot of reflective coatings on asphalt shingles fade after a few years. That dark shingle you put on 5 years ago? Its SRI might have dropped to 30 now, so it\u2019s not doing the same work. Our baked-on coatings are polyester-based with UV inhibitors\u2014they\u2019re made to last 20+ years without fading. We test our tiles every year in a lab, and after 10 years of simulated sun exposure, their SRI only drops to 80. That\u2019s way better than most asphalt products. Some of our customers in Phoenix, which has some of the harshest sun in the US, have had our tiles for 12 years and still report the same AC savings as when they first installed them.<\/p>\n

Wait, let\u2019s get into the nitty-gritty of official ratings, because people throw around \u201cenergy star\u201d labels a lot. Our aluminum roof tiles are Energy Star certified, right? That means they meet the EPA\u2019s strict guidelines for energy efficiency. The EPA specifically mentions cool roofs for hot climates as a way to reduce peak energy demand, which is why Energy Star only gives that label to roofs with an SRI of at least 78. We\u2019re way above that, so every single one of our tiles carries that certification. That\u2019s not something we brag about just for fun\u2014many utility companies offer rebates for Energy Star roofs, too. I\u2019ve had customers in California get $500 to $1,000 back just for installing our aluminum tiles. That covers a good chunk of the cost of the roof in the first year.<\/p>\n

Now, what about if you\u2019re in a colder climate? I know some people might think, \u201cWait, if it\u2019s so good at reflecting sun, won\u2019t it make my house colder in winter?\u201d Let\u2019s address that. Your roof\u2019s energy efficiency isn\u2019t just about summer\u2014it\u2019s about balancing heat gain and heat loss. Aluminum has a low U-factor, which is a measure of how well a material resists heat transfer. Our tiles, when installed with a proper underlayment (we recommend a reflective foil underlayment, by the way), have a U-factor of around 0.30. That means in winter, when the sun is lower in the sky, our tiles do absorb more sunlight (they\u2019ve got a pretty good winter SRI, too\u2014around 60) which helps warm your roof, and the low emissivity means your home\u2019s heat doesn\u2019t escape through the roof. Studies from the Department of Energy actually found that in northern climates, cool roofs with SRI 75+ can still save 5 to 10% on total annual energy costs, because the winter heat gain outweighs any small loss of heat retention. It\u2019s a balance, not a one-size-fits-all, but aluminum tiles nail that balance way better than most other roofing materials.<\/p>\n

I should also mention that these ratings don\u2019t apply to just any aluminum roof\u2014like, if you go buy cheap, thin aluminum panels from a hardware store, their SRI will be way lower, and they might not have the UV protection. That\u2019s why we supply specifically engineered aluminum roof tiles, not generic metal sheets. Our tiles are 0.5mm thick, with a 100% acrylic top coat, and we\u2019ve been testing them for durability for years. We\u2019ve had tiles in places with heavy snow, high winds, and intense rain, and their SRI hasn\u2019t dropped more than 5 points. That\u2019s a big difference from the no-name stuff you might find online or at a discount store.<\/p>\n

Let me throw in a real customer story here, because numbers are fine, but actual people\u2019s experiences hit different. Last year, a guy named Mike in Atlanta reached out to us. He had 2,200 square feet of asphalt shingles that were 7 years old, and his summer electric bill was averaging $280 a month. He got quotes for a new roof, and went with our aluminum tiles, right? His first bill after installation was $215. That\u2019s a $65 difference, and he said that was with his AC running almost nonstop all summer. He also said his attic temperature, which used to hit 140\u00b0F, only gets up to 115\u00b0F now. That\u2019s exactly the kind of result we aim for.<\/p>\n

Now, let\u2019s talk about common misconceptions that I hear all the time. One is that aluminum roofs are only good for commercial buildings. Nope\u2014we supply a ton of residential customers, too, especially people who want a roof that lasts 50+ years (aluminum is way more durable than asphalt, which only lasts 15 to 30 years). Another is that energy efficiency is just a marketing term. No, it\u2019s not\u2014these SRI and emissivity ratings are tested by third-party labs, not just made up by companies. The CRRC publishes the ratings on their website, so anyone can look up our product\u2019s SRI and emissivity to double-check.<\/p>\n

So, to wrap this up: the energy-efficiency rating of aluminum roof tiles starts with the SRI, which for our coated, Energy Star-certified tiles is 85 to 90. That\u2019s way higher than asphalt shingles, translates to 10-15% AC savings in summer, holds up over time, and works for both hot and cold climates. It\u2019s not just a shiny metal roof\u2014it\u2019s a smart investment that cuts your utility bills and lasts way longer than any other roof out there.<\/p>\n

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If you\u2019re thinking about switching your roof, or just want more details on how our tiles would work for your home or business, hit us up. We can send over a free spec sheet with exact ratings for our different tile styles, or even connect you with one of our past customers in your area who can tell you about their own energy savings. No pressure, no sales pitch\u2014just real info that helps you make the right call for your wallet and your home.<\/p>\n

Resin Roof Fittings<\/a> References<\/p>\n

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  1. Cool Roof Rating Council. (2024). Solar Reflectance Index (SRI) Standard. Retrieved from CRRC official testing protocols<\/li>\n
  2. U.S. Environmental Protection Agency. (2023). Energy Star Cool Roofs Program Guidelines. Retrieved from EPA Energy Star website<\/li>\n
  3. U.S. Department of Energy. (2022). Roofing Materials and Energy Efficiency: A Guide for Homeowners. Retrieved from DOE Building Technologies Office publications<\/li>\n<\/ol>\n
    \n

    Shaanxi Jinjia Tianxia Building Materials Co., Ltd.<\/a>
    As one of the most professional aluminum roof tiles manufacturers and suppliers in China, we also support customized service. We warmly welcome you to wholesale high quality aluminum roof tiles from our factory. For quotation, contact us now.
    Address: Sanyuan County, Xianyang City, Shaanxi Province
    E-mail: yinyin_export@163.com
    WebSite:     https:\/\/www.jinjiatianxia.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Hey everyone, it\u2019s Sam from the aluminum roof tile crew\u2014you know, the guys who\u2019ve been supplying … What is the energy – efficiency rating of aluminum roof tiles?<\/span>Read more<\/a><\/p>\n","protected":false},"author":357,"featured_media":618,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[581],"class_list":["post-618","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-aluminum-roof-tiles-4412-0236cb"],"_links":{"self":[{"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/posts\/618","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/users\/357"}],"replies":[{"embeddable":true,"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/comments?post=618"}],"version-history":[{"count":0,"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/posts\/618\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/posts\/618"}],"wp:attachment":[{"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/media?parent=618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/categories?post=618"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.caramelocorazon.com\/blog\/wp-json\/wp\/v2\/tags?post=618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}