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That can translate into a 10 to 15 percent reduction in the amount of energy needed to cool the building during peak cooling periods. Click here to view the latest blog posts. This acquisition guidance was updated in December 2021. What type of roof is the most energy efficient? An energy-efficient roof can do more than just save you money on your energy bill. HC x 67% Cooling = $670 Avg. Shake shingles hold up better than asphalt shingles and allow better air circulation in your home. The Cool Series Lifetime shingle is 60% higher ($1,908) than the regular Prestique Lifetime shingles. .pane-bundle-generic-slider .flexslider .field-name-field-banner-link{ Cool roofs achieve the greatest cooling savings in hot climates, but can increase energy costs in colder climates due to reduced beneficial wintertime heat gains. Roof Products Key Product Criteria: ENERGY STAR, See how your location impact the types of windows, doors or skylights you need, Reduce your household's greatest source of energy use by viewing this infographic, Save up to 10% on your home's annual energy bill by following these instructions. Many of them have earned an Energy Star rating. The Cool Roof Rating Council certifies roof products for the Energy Star program. In southern climate zones like Southern California and Texas, the opposite was estimated. As The ENERGY STAR roofing program will be phased out byJune 1, 2022. Some of this radiated heat is dispersed into the surrounding atmosphere. Products sold through DLA are codified with a 13-digit National Stock Number (NSN) and, in some cases, a two-letter Environmental Attribute Code (ENAC). AC x 7% Min. Some utilities offer rebates or other incentives for the purchase of ENERGY STAR-qualified products. Spray Foam Insulation Effect on a Shingle Roof, U.S. Environmental Protection Agency: Heat Island Effect, Energy Star: 2011 Federal Tax Credits for Consumer Energy Efficiency, Florida Solar Energy Center: Comparative Evaluation of the Impact of Roofing Systems on Residential Cooling Energy Demand in Florida, 17 gardening gifts for the plant-lovers in your life. To comply with FAR requirements, FEMP recommends that agencies incorporate efficiency requirements into technical specifications, the evaluation criteria of solicitations, and the evaluations of solicitation responses. Energy efficiency means different things in different regions, so what works in the Southwest could be the exact opposite of what works in the Northeast. The federal supply sources for energy-efficient products are the General Services Administration (GSA) and the Defense Logistics Agency (DLA). How much energy you will save depends on several factors such as your home's climate and environment, how well insulated your current roof is, the type of roof you have, and the efficiency of your heating and cooling system. This will keep your home warm during a tough winter. An energy-efficient roof can also save you money by extending the life of your roof. Shingles Used for Comparison: Timberline Prestique 30yr, Timberline Prestique Lifetime, and the Timberline Cool Series Lifetime. 02452, 781-647-7026 The ENAC identifies items that have positive environmental characteristics and meet standards set by an approved third party, such as FEMP and ENERGY STAR. For residential homes, COOL roofing shingle use is most prevalent in California. Price quotes for products were acquired from a major nationwide supplier, as of the writing of this case study. Federal purchasers can assume ENERGY STAR-qualified products and products that meet FEMP-designated efficiency requirements are life cycle cost-effective. Those in southern states should see a minimum annual savings of $47. That could translate to a 1520% savings on your energy bill. FEMP's acquisition guidance and associated ENERGY STAR efficiency requirements for cool roof products are technology neutral, meaning that one technology is not favored over another. In many cases, asphalt shingle manufacturers use a shingles third-party certified aged SRI value to demonstrate compliance with cool roof energy codes. However, it can be easily damaged and can be harder to replace smaller sections of the roof. In general, dark colors tend to absorb more heat, and on roofs, that heat is transferred to the building. Energy-efficient roofs may be more expensive initially, but they usually pay for themselves over time. For example, a metal roof could lower your energy bill by as much as 40 percent in the summer. The UNSPSCs for cool roof products are listed in Table 2. What makes windows, doors & skylights ENERGY STAR? Traditionally, theyre also one of the most non-reflective and heat-absorbent roofing options available. 0d'R%"iacY$M(q2mtw3K&. by Adam Burzynski | Jul 16, 2021 | SPRI News. FEMP has calculated that the required ENERGY STAR-qualified cool roof product saves money if priced no more than $0.64/ft2(in 2020 dollars) above the less efficient model (e.g., $640 for a building with a 1,000 ft2 roof). This process of radiating previously absorbed heat is thermal emittance. Products meeting ENERGY STAR or FEMP-designated efficiency requirements may not be life cycle cost-effective in certain low-use applications or in locations with very low rates for electricity or natural gas. The color of your roof is one of the most important factors in maintaining energy efficiency. We recommend our users to update the browser. They can lower your utility bills by as much as 25 percent. What your roof does with reflecting the sunlight Without the solar-reflecting granules, an asphalt shingle roof may be as much as 100 degrees hotter. AC x 7% Min. The Owens Corning Roofing Contractor Network rewards contractors for providing homeowners with a positive experience with our products. 2022 Trinity Exteriors Inc. All Rights Reserved. *Calculations are made by subtracting the Minimum Annual Energy Savings (7%) from the Total Prorated Annual Cost. These shingles are engineered to have higher solar Weve What makes a roof energy efficient? ultraviolet) light waves. Further, an asphalt shingle roof can potentially deliver energy-saving benefits when COOL asphalt shingles are installed. main things happen when the suns radiation hits the surface of an asphalt shingle Calculated based on a typical black roof. Cool roofs can also save money with rebates, incentives, and tax credits. THE PINK PANTHER & 1964-2021 Metro-Goldwyn-Mayer Studios Inc. All Rights Reserved. His company is the 2016 winner of the Better Business Bureau Torch Award for Ethics. Cool Climates: Timberline Cool Series Lifetime Without Tax Credit, Cool Climates: Timberline Cool Series Lifetime With Tax Credit, Warm Climates: Timberline Cool Series Lifetime Without Tax Credit, Warm Climates: Timberline Cool Series Lifetime With Tax Credit. Fortunately, that has changed in recent years. ENERGY STAR considers up-front costs and lifetime energy savings when setting required efficiency levels. So, in 1999, the U.S. Environmental Protection Agency's Energy Star program began rating roofing materials for energy efficiency. Cool roofs typically go over an existing roof by adding a reflective coating. The lower the SRI value, the hotter the asphalt shingles are likely to be in sunlight. With the $1,500 Energy Start Tax Credit on materials, this difference is reduced to only $408. Good ventilation keeps any heat thats transferred to the attic from building up. Your roof is one of your biggest weapons against high energy costs. AC, $670 Avg. Perimeter System Integrity Failure Due to Wind Damage, Roof Drainage Assessment Using 3D Laser Scanning, For more information on the Energy Star phaseout date can be found by, For more information on construction generated moisture and condensation. The best available model saves up to $1.11/ft2 (e.g., $1,110 for a building with a 1,000 ft2 roof). reflectance and thermal emittance properties that can help reduce a homes Whether youre embarking on a In addition to helping to keep your home more energy-efficient, COOL roofing shingles may also benefit the environment: For an asphalt roofing shingle to be classified as a COOL Manufacturers and vendors are beginning to adopt the UNSPSC classification convention and electronic procurement systems are beginning to include UNSPSC tracking in their software packages. And they can be covered with special coatings to give them an even higher efficiency rating. Tile roofs are also a good energy-efficient roof choice. It lowers peak electricity demand, which can help prevent power outages. margin-top: 65px; Learn more about federal product purchasing requirements. Energy Star estimates that the average Heating & Air Conditioning Costs for Homeowners in the U.S. is $1,000 per year. .pane--tool-slider-blue .flexslider .field-name-field-banner-link, Materials with a high thermal emittance may be a better choice for hot, sunny regions while those with a low thermal emittance may help homes lower the heating load in severely cold climates. x 3 Bdls Per SQ = $73.50 Per Square, $26.60 Per Bdl. Owens Corning COOL asphalt roofing shingles meet various levels of COOL roofing requirements and are available in a great selection of colors that complement many homes exteriors*. Studies by the Heat Island Group and the Florida Solar Energy Center have shown that buildings with dark roofs required up to 40 percent more energy to cool than buildings with light-colored or reflective roofs (see References 4 and 5). With the tax credit, the prorated yearly cost of the Cool Series shingle is about $8 more per year or 13% higher than the regular Prestique Lifetime. Important dates: The most common types of Energy Star labeled roofs are made of asphalt shingles, shake shingles, metal roofing, slate roofing or tile roofing. Energy efficiency in the home has been a popular topic for many years. First things first, lets understand how a roof reacts to heat from the sun, and the impact this relationship has on the temperature inside your home and therefore on your energy bills. The right color roof is important, but a light roof made from the wrong materials is not going to outperform a dark roof made with the right material (and vice versa.). benefits for your home. However, they are hard to maintain in wet environments due to factors like mildew and wood rot. The date for program partners, such as manufacturers of reflective roofing materials, must cease production of printed or electronic marketing material using the ENERGY STAR mark byJune 1, 2021. Your roof is not an exception to this rule. Manufacturers meeting these requirements are allowed to display the ENERGY STAR label on complying models. (See References 3). x 4 Bdls Per SQ = $106.40 Per Square, $42.50 Per Bdl. Unable to find an accurate breakdown of heating and air conditioning average expenses into their respective parts, weve made the estimation that in colder northern climate zones like Minnesota and Wisconsin, 33% of the average spent goes towards cooling and the other 67% to heating. A white or light brown color will do a better job of reflecting the energy of the sun, keeping your house cooler during the hottest desert months. She co-owns a remodeling company specializing in energy-efficient sustainable building and solar hot water systems. Its website offers a comprehensive list of roof materials and manufacturers. Most of these are available at home stores and building supply houses. Read more about how to meet cool roofing code requirements in California. However, the term cool roof is often associated with flat roofs or commercial installations. ENERGY STAR certified roof products can help reduce the amount of air conditioning needed in buildings, and can reduce peak cooling demand by 10-15 percent. Lets examine energy-efficient roofs and how your roof can help you lower your energy bill and keep you more comfortable in the process. When you buy Owens Corning roofing shingles, you can rest assured that our commitment to quality is of the highest importance. It adds to your property value or resale value. Surface temperatures can be as much as 100 degrees Fahrenheit lower on roofs with qualified shingles. Once you you have factored in these three aspects of energy efficient roofing, you are well on your way to saving money and energy. width: 33.5% !important; However, ENERGY STAR's product specification requirements are limited to cool roof products tested through the Cool Roof Rating Council (CRRC) Product Rating Program, including Color Family Groups and Compound Product Ratings, or evaluated using the test methods for ENERGY STAR qualifications listed in the ENERGY STAR product specification information. When prorated over the expected lifespan of the product and the Energy Star tax credit is included, the lifetime cool shingle is a slightly better value than the 30 year. Bear in mind, many asphalt shingles dont have these energy-efficient features. Table 1 compares three types of product purchases and calculates the lifetime cost savings of purchasing efficient models. Cool roofs stay up to 60F cooler than traditional black roofs during the summer. Metal roofing is friendly to your wallet, lightweight and durable. .flex-caption{display: none;} *Calculations are based on Total Product Cost divided by the Life Expectancy of the each. Owens Cornings Cool Roofing Collection is a good example. And since your HVAC system doesnt have to work as hard to cool your home, it will last longer too. These shingles are considered COOL products in the asphalt shingle industry. Some cities even require all new roofing to meet some solar reflectance minimum. Three It also is very reflective, making it energy efficient in sunny environments. background: #f7f7f7 !important; Tile roofing is also an energy efficient roofing system; however, it is best for homeowners in warm desert climates due to tiles ability to withstand the heat and moisture and reflect sunlight. And if youve already installed them, dont worry. When adjusted for energy savings in cold northern climate zones: determines its solar reflectance. Calculated based on the December 2021 ENERGY STAR List of Qualified Products; values shown are rounded to the nearest dollar. Find "Other"product efficiency requirements and a full list of covered product categories >>. A certified group fitness instructor and emergency medical technician, she worked for five years as scientific diving officer and dive instructor for the Smithsonian Institution and was a board member of the American Academy of Underwater Sciences. Here are a few things you need to know to ensure your roof is energy efficient. The Solar Reflectance Index measures a roofs ability to reject solar heat (solar reflectance) and release any heat that is absorbed (thermal emissivity). It helps protect it from the elements and impacts its overall exterior look and curb appeal. The Cool Roof Rating Council (CRRC) estimates that the average energy savings for reflective shingles to be between 7% and 15% of cooling costs. When choosing products based on high or low thermal emittance, keep in mind your climate. That means they have a high SRI. While good insulation offers some relief, it doesnt stop the transference of heat from the roof top to the attic. the sun shines on your roof, it delivers visible and invisible (infrared and Current Specification Effective Date: July 2017. In prorating the Lifetime shingles, a 50-year life is assumed (as is done by most insurance companies). . SPRI always recommends carefully selecting a roofing system based on performance attributes and considering the buildings design, intended use, location, and climatic conditions. It contains more than 50,000 commodities, including many used in the federal sector, each with a unique eight-digit, four-level identification code. The three properties to look for when selecting a roof material to reduce building cooling load are: The ENERGY STAR program presently considers reflectance only, not emittance. The SRI values for darker COOL asphalt shingles will usually be slightly lower than the lighter tones, but the darker COOL shingle values are still high enough to meet most of the California energy code requirements. They are designed with special granules that make them more reflective than standard asphalt, so they absorb less heat. .pane--products-mailing-list { Solar reflectance might not seem as important in colder climates, but even if you live where summers are short, the savings can add up. Much of the suns energy is coming right back off the roof. There are not many places that can get hotter than an attic. For building owners and specifiers looking for other resources on reflective roofing, the Cool Roof Rating Council has information, and reflectivity and emissivity ratings for registered roofing products.