2024 Attic fans

Our Best Attic Fans in 2020 Product Reviews and Comparisons. 1. The Ventamatic Attic Ventilator. 2. Broan Attic Ventilator. 3. Air Vent Gable Ventilator. 4. IPower 12 Inch …. Beard meats food

The QuietCool brand of whole house fans has taken America by storm. The QC ES-3100 advanced whole house fan is a new take on the idea of whole house ventilation. Whole house ventilation allows you to bring the cooler outdoor air through your windows, home and attic space to thoroughly cool and ventilate both the home and attic. The best-rated product in Roof Mount Attic Fan is the LomanCool 2000 800 CFM Weathered Bronze Power Attic Vent. Can Roof Mount Attic Fan be returned? Yes, Roof Mount Attic Fan can be returned within our 90-Day return period. Prepping for Solar Attic Fan Installation. Solar attic fans offer many advantages, including adding much-needed ventilation to the stuffiest area of your home and helping reduce your energy bills. However, to experience all these benefits, your attic must be sealed off from the rest of your house before you kick …Table of Contents. Do I need an Attic Fan? Types of Attic Fans. Roof Mounted Attic Fans. Gable Mounted Attic Fans. The Importance of Temperature Control in Attic Ventilation. … Best Attic Fans. A huge fan for large attics that earns our home improvement expert's approval. Works in a large house with 2,000 to 3,000 square feet of attic space. Pulls in fresh air and exhausts hot air from the attic. Shutter vent moves good volume of air. A good traditional attic fan to cool the house at night. When it comes to installing anything in your attic, there are two options: doing it yourself or hiring a professional. While DIY installation may seem like the cheaper option, it’s...The powered attic fan, on the other hand, simply cannot be beaten for sheer energy-efficient punch. And, of course, a solar attic fan piles environmental responsibility and cost savings onto the already impressive heap of benefits. Installing an attic fan is actually an investment more than a simple ventilation tool.https://www.AtticFoil.com - Radiant Barrier FoilElectric attics fans usually cause more problems than they solve. They create a low pressure inside the attic...Check out our lowest priced option within Attic Fans, the 10 in. Register Booster Floor Fan with Thermostat, Ventilation Fans with 10 Gear Wind Speed Switch, Black by Kahomvis. Related Searches. solar powered exhaust attic fan. quiet cool. exhaust fan. exhaust attic fan. shutter fan/vent attic fans.Solar attic fans cost $300 to $1,000 to install. While this is pricier than many other attic fans, solar models are super efficient because they use the sun's energy instead of electricity. A solar attic fan pays for itself very quickly in energy savings. Dual-Powered Fan. A dual-powered attic fan costs between $300 and …Jan 11, 2024 · Roof mounted attic fan sizes are rated in CFM which stands for cubic feet per minute. If an attic fan is rated at 1,000-cfm, it means that it can exhaust 1000 cubic feet of air per minute. According the Home Ventilating Institute (an industry non-profit), they recommend that your attic should exhaust your entire attic at least 10 times per hour. How to install a solar attic fan. Remington Solar Attic fans have a lifetime limited warranty and are an easy solar attic fan to install.Because of this, solar attic fans can prolong the life of your roof . structure and air conditioning while even helping you to save up to . 30% off A/C costs. The best part of a QuietCool Solar Attic Fan is that an AC/DC Smart . Inverter is included with the fan. This allows the fan to run during .Attic fan. An attic fan, is a fan that controls the heat level of a building's attic by removing the hot air. A thermostat is used to turn the fan off and on based on the heat level, while sometimes a manual switch is used. An attic fan can be gable mounted or roof mounted. Extra vents are required to draw in fresh air as the hot air is exhausted.When it comes to Attic Exhaust Fans, you can count on Grainger. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 ... Solar attic fans can reduce the hot temperature in an attic by as much as 30-40 degrees F, depending on current conditions like size and attic insulation levels. In addition to cooling the attic, a solar attic fan helps reduce moisture buildup within the space, further increasing the cooling effect. As of 2015, Leslie Locke brand attic fans are manufactured and sold under the Master Flow brand name. Master Flow roof mount vents for attics can be purchased at the Home Depot, wh...Durablow 220 CFM Air-In Stainless Steel Crawl Space Vent Fan, Dual Fans with Dehumidistat & Thermostat, Foundation Vent, Radon Mitigation, for Crawl space, Basement, Attic (Stainless steel 304, M2D-N) 110VAC. 32. $14994.Attic fans are an economical and integral part of making your home more energy efficient. Most homes are built in our area with a ridge vent. A ridge vent is a passive system that theoretically allows air to escape naturally from the attic. Even with a ridge vent, temperatures in the attic can exceed 150 degrees in the summer.Attic ventilation fans (also called “powered attic ventilators” or simply “attic fans”) are exhaust fans located in the roof or gable wall of the attic. They pull outside air into the attic through intake vents located in the soffits, eaves, or gables. The air inside the attic is exhausted through the fan to the outside (Figure 1).Nov 6, 2020 - Explore Ron Nagai's board "Attic Fans" on Pinterest. See more ideas about attic fans, exhaust fan, attic ventilation.Attic Fan: The Cool Attic Gable-Mount Attic Ventilator Fan offers effective power attic ventilation to reduce heat buildup, equalize temperatures inside and outside the attic. It has 14-inch fan with 600-square-inch intake. It is galvanized steel construction ; Easy Installation: It cools attic up to 1, 850 square feet and 3. …The cost to install an attic fan is around $600 on average, including installation and equipment. Compared to the cost to install a whole-house fan, which comes in at $850 normally. Lower installation cost: Attic fan. Climate. Attic fans work better in any given climate, as they simply focus on removing hot air from the attic and home. Advanced Whole House Fan is a ventilation cooling system that uses less energy than a traditional air conditioner. This energy-efficient system works by pulling cool, outdoor air into your home and out your attic vents. This helps keep the mass in your home cooler than an air conditioner can. How to install a solar attic fan. Remington Solar Attic fans have a lifetime limited warranty and are an easy solar attic fan to install.Attic Fans. Of course, you don’t want to overlook the importance of an attic fan for helping to keep your home cool, protect your roof, and remove much of the heat of the day, even while operating your home’s air conditioner. Removing the heat from the attic can be a real bill saver when the dog days of summer are in full form.Best with a Limited Lifetime Warranty: Remington 30W Solar Attic Fan. "A roof-mounted attic solar fan with venting capacity of 1550 CFM for for 2500 sq. ft., brushless 24V DC motor, poly-vinyl blades, a built-in humidistat and thermostat". Best With 25-year Warranty: Natural Light 24W Solar Attic Fan.Because of this, solar attic fans can prolong the life of your roof . structure and air conditioning while even helping you to save up to . 30% off A/C costs. The best part of a QuietCool Solar Attic Fan is that an AC/DC Smart . Inverter is included with the fan. This allows the fan to run during . 2116 CFM Smart App Controlled 3-Speed Roof Mount Attic Fan. Add to Cart. Compare $ 86. 60 (232) iLIVING. 12 in. Shutter Exhaust Fan with Thermospeed Controller, 65 ... Feb 15, 2022 · Natural Light Solar Attic Fan 48-Watt Black with a 25-Year warranty; What are Roof Mounted Attic Fans. Attic fans are ventilation fans installed in the attic. They regulate heat levels in the building’s attic by exhausting hot air. Having one makes sense because the attic is often the home’s hottest area during the summer season. 1. QuietCool AFG SMT PRO-3.0. QuietCool is one of the leading manufacturers of attic fans. Like the name says their fans are comparatively much …Jul 28, 2022 ... 9 Best Attic Fans to Keep Your House Cool and Comfortable · QuietCool 40-Watt Solar Powered Roof Mount Attic Fan · QuietCool 40-Watt Solar ...The curb-mounted solar attic fan, generally used for commercial applications, attaches to a pre-built curb and can vent up to 3,350 square feet per unit. Read more about each solar attic fan model. A 32-watt roof mounted solar attic fan installed on an asphalt shingle roof.Attic Fans Again We just had our shingles replaces with white energy-star shingles, and had the attic floor insulation brought up to code. We told the roofing company not to remove the attic fan. We keep it turned off at the fuse box, to keep it from potentially causing other problems. We have a pretty good AC …May 2, 2022 · Attic fans are measured in terms of the amount of air they can move in a minute, known as cubic feet per minute. A good rule of thumb is to purchase a fan that has a CFM that is about 70% of the square footage of your attic. So, if your attic is 1,000 square feet, you want an attic fan rated at 700 CFM. Bigger is not always better when it comes ... TOM: Because the thing is, even though it's getting hot in that attic space, it is at ambient temperature, so that's kind of – you're not going to get it much ...An attic ventilation fan can prevent this by keeping the roof from getting too hot. 5. Pro: They Can Pull Toxic Fumes Out of the House. Since the house is being ventilated through the roof, any kind of toxic fumes that build up in your home will get sucked right out the roof if you have an attic ventilation fan.Smart Attic Fan. The QuietCool AFG SMT-3.0 smart attic fan has a built-in thermostat/humidistat and a ten-variable speed motor. When the attic is at its hottest ...Our Best Attic Fans in 2020 Product Reviews and Comparisons. 1. The Ventamatic Attic Ventilator. 2. Broan Attic Ventilator. 3. Air Vent Gable Ventilator. 4. IPower 12 Inch …Attic fans are designed to pull fresh air into the attic through soffit vents or other openings, and exhaust the hot air out of the attic. This continuous airflow helps to maintain a balanced temperature and humidity level in the attic, preventing the formation of mold, mildew, and ice dams. master flow attic fans. Explore More on homedepot.com. Appliances. Automatic Ice Level Control/Shutoff Bottom Freezer Refrigerators; 56 fl. oz. Drip Coffee Makers; Solar Attic Fans, cool your attic, cool your home with our quite solar powered attic fans. NEW 35-watts panels. Installation available.Sat 8am – 10pm. Sun 8am – 10pm. Office Address. A Affordable Insulators 14925 Stuebner Airline Unit 301-B Houston, TX 77069 832-243-7494. Service Areas. Attic Insulation Harris County Areas Served. Spray Foam Insulation Harris County Areas Served. Enhance your home's energy efficiency with expert solar powered attic fan installation.The visual appeal of solar attic fans is even more captivating. Solar attic fans are more compact when compared to powered attic fans. These devices are mounted near the ceiling, minimizing distractions compared to other devices. Therefore, the installation of this device is a significant factor for numerous …What Are Attic Fans? Exactly what the name suggests. An attic fan pushes out stale indoor air and brings in fresh outside air. It might not sound like much, but the simple act of circulating attic air can greatly affect home temperature and energy consumption. Attic fans can save you money on cooling costs. How? Because heat rises to ...Attic Fans. Of course, you don’t want to overlook the importance of an attic fan for helping to keep your home cool, protect your roof, and remove much of the heat of the day, even while operating your home’s air conditioner. Removing the heat from the attic can be a real bill saver when the dog days of summer are in full form.OmniPV Solar Attic Fan, 35 W 14", 1200 CFM Large Air Flow Solar Roof Vent Fan, Low Noise and Weatherproof with 110V Smart Adapter, Ideal for Home, Greenhouse, Garage, Shop, RV, Workshop etc. dummy Moonshan Hybrid Solar Attic Fan 35 Watt Solar Powered Attic Fan, 880-1470 CFM Roof Exhaust Fan, 5-leaf FanA Cool Attic Is A Cool Home – Solar Powered Attic Fans. Our attic fans unite advanced motor technologies with progressive designs, delivering exceptional power and performance. The result is a ventilation system that efficiently vents hot air and moisture from your attic so it stays cool and dry, giving you greater comfort in your home.Aug 9, 2021 · This roof attic fan comes with an adjustable thermostat and a PVC dome. With a 14-inch diameter steel blade, the 356BK can cover as much as 2,285 sq. ft. of attic space. The downside: it can be loud. If you’re not a fan of the humming noise, install this attic fan far from your bedroom. The price starts at $175 on Amazon. How Do I Choose An ... Master Flow® Power Attic Vents exhaust a large volume of hot, humid air from the attic — which can help save on cooling costs. Get all the details on the ...A Solar Powered Attic Fan equalizes interior and exterior temperatures, safeguarding your home from the worst of winter. Removes excess humidity from showers, humidifiers, and dishwashers. Prevents leaks and structural decay triggered by ice buildup on your roof. Avoids damage to insulation and framing materials produced by moisture accumulation.1. QuietCool AFG SMT PRO-3.0. QuietCool is one of the leading manufacturers of attic fans. Like the name says their fans are comparatively much …Here is a quick overview of the Best Quiet Attic Fans for home ventilation. AC Infinity CLOUDRAY Ceiling Mount Whole House EC Attic Fan ( Best Overall) QuietCool AFG SMT ES-3.0 Smart Attic Gable Fan ( Best Solar Quiet Attic Fan) iLIVING ILG8SF12V 12 Inch Variable Speed Shutter Fan ( Best Budget …A solar attic fan can be used to pull air into your attic, circulate the air through the space and move the air back outside. Ideally, a ventilation system is designed to continuously move air through your attic while keeping moisture out. A solar attic fan used in conjunction with a passive ventilation system achieves this.Air Vent provides a complete line of ventilation products that meet the highest standards for quality and performance.Attic fan ... An attic fan, is a fan that controls the heat level of a building's attic by removing the hot air. A thermostat is used to turn the fan off and on ...The GAF Master Flow ERV4 Power Roof Vent is a great overall investment in attic ventilation. It can quickly remove a larger volume of hot and/or humid air from your attic when compared to static ventilation. This in turn can help save money on your heating and cooling costs. The ERV4 model Power Roof Mount Vent can move air at a rate of up to …1. QuietCool AFG SMT PRO-3.0. QuietCool is one of the leading manufacturers of attic fans. Like the name says their fans are comparatively much …Aug 24, 2023 · Best Value: Vivosun FBA 331101. "A small gable-mount fan with 8-inch blades and 420 CFM venting capacity. 42W. 2970 RPM motor. Well-balanced blades." Best Broan Attic Fan: Broan 355BK. "A gable-mount fan with 14-inch metal bades and 1220 CFM venting capacity, ideal for spaces up to 1715 sq.ft. 4.3 amps. Attic fans replace the air in your attic by drawing stagnant air out and fresh air in through the roof vents. It is a simple process but does require some careful planning and fan sizing. Oversized fans can create negative pressure and partial vacuums in the attic that can be equally dangerous. Table of Contents. Do I need an Attic Fan? Types of Attic Fans. Roof Mounted Attic Fans. Gable Mounted Attic Fans. The Importance of Temperature Control in Attic Ventilation. …Yes, it’s true. Squirrels are awfully cute. They’re not so cute, however, when they’re running around in your attic. Squirrels in your attic can cause damage and pose serious healt...Attic fans are implemented alongside air conditioning systems to maximize air circulation and cooling potential. Explore the following attic fan options to increase your home’s overall cooling efficiency: Gable fans – If your attic already has a ventilated gable, adding a powered fan could be a relatively simple process to increase airflow ... 40-Watt Hybrid Solar/Electric Powered Roof Mount Attic Fan with Included Inverter for Nighttime Cooling. Add to Cart. Compare $ 306. 00 (58) Master Flow. Big Power For Big Impact. The Solar Star Roof Mount 2400 - 35 Watt Attic Fan generates maximum power to battle built-up heat and moisture in your attic. It’s the ideal solar-powered ventilation solution for large attic spaces and extreme climates. Four flashing options, sleek low profile, the pitched roof mount, high profile, and HVHZ high ...Inline Duct Fan 2" 50mm-32mm Ventilation Exhaust Fan 62 CFM Filter Duct Booster Kit 12V 6W Extractor Blower for Attic Kitchen Grow Tent (Color : Adjustable Speed) £3599. Save 5% with voucher. FREE delivery 2 - 9 Nov.Steps for Installing a Solar Attic Fan. In the attic, mark the location of the solar-powered vent between two roof rafters. Drive a nail through the center of the vent location. Install roof brackets and a fall-arrest system to the roof. Scribe the outline of the vent’s flashing on the roof using a homemade dowel compass.Smart Attic Fan. The QuietCool AFG SMT-3.0 smart attic fan has a built-in thermostat/humidistat and a ten-variable speed motor. When the attic is at its hottest ...Here is a quick overview of the Best Quiet Attic Fans for home ventilation. AC Infinity CLOUDRAY Ceiling Mount Whole House EC Attic Fan ( Best Overall) QuietCool AFG SMT ES-3.0 Smart Attic Gable Fan ( Best Solar Quiet Attic Fan) iLIVING ILG8SF12V 12 Inch Variable Speed Shutter Fan ( Best Budget …Allows your Solar Attic Fan to run on your electrical grid so your fan can operate 24/7 even after the sun goes down.Computer Balanced Fan Blades: High-performance fan blades that cut through the air in the most efficient and effective way possible.Adjustable Mounting Tabs: Tabs that make installation quick, easy, and …Yes, attic fans really work! Attic fans (or gable or roof fans) are designed to blow hot and humid air out ofthe attic and ultimately lower the temperature inside. Typical attics will reach 120-150 degrees during the summer. An attic fan can help lower that temperature by up to 50 degrees, which translates into up to a 5 degree lower ...Learn how an attic fan can improve attic ventilation, save energy, and prevent roof damage. Compare attic fans with whole-house fans in terms of cooling and venting ability, installation, appearance, …How to install a solar attic fan. Remington Solar Attic fans have a lifetime limited warranty and are an easy solar attic fan to install.Air Vent 1,500 CFM High Efficiency (HE) Roof Mount Power Attic Fan · Soft start and turns on quiet in low power mode which reduces wear and tear on the motor ...Attic fans, sometimes called Gable fans, keep your attic cool and depending on how they are installed, can pull cool evening air into a house still hot from the summer’s heat. Attics can easily reach 100 …Our Best Attic Fans in 2020 Product Reviews and Comparisons. 1. The Ventamatic Attic Ventilator. 2. Broan Attic Ventilator. 3. Air Vent Gable Ventilator. 4. IPower 12 Inch …Solar or PV fans run on sun power and pull superheated air out of your attic to be replaced by cooler outside air. This reduces the amount of work your HVAC ... Some of the most reviewed products in Attic Fans are the Master Flow 1450 CFM SIlver Electric Powered Gable Mount Electric Attic Fan with 855 reviews, and the Maxx Air 1600 CFM Mill Electric Powered Gable Mount Electric Attic Fan with 657 reviews. Are there any special values on Attic Fans? There are over 4 special value prices on Attic Fans. Attic fans are designed to pull fresh air into the attic through soffit vents or other openings, and exhaust the hot air out of the attic. This continuous airflow helps to maintain a balanced temperature and humidity level in the attic, preventing the formation of mold, mildew, and ice dams.The GAF Master Flow 10-Watt Solar Powered Roof Mount Attic Fan will help remove excess heat and moisture from your attic to protect your roofing system from premature deterioration. The Solar Powered fan requires no wiring, uses no electricity, and works with your existing intake vents to help lower the temperature in your attic. The 24-Volt DC …VENTISOL 20 Inch Shutter Exhaust Fan Wall Mounted, Aluminum with 1.65 Meters Power Cord Kit,High Speed 3500CFM, Ventilation fan for Garage,Greenhouse,Attic,Shed,Shop，Black 4.5 out of 5 stars 1,063Sep 8, 2023 ... This is the attic breeze 35watt solar attic fan with the wireless breeze mate controller. In this video I show you the features and benefits ...Nov 10, 2022 · QuietCool Whole House Fan. The QuietCool QC CL-1500 provides whole-house ventilation by delivering cooler outdoor air into your home and attic area, effectively cooling and ventilating both the home and attic. It has a capacity of 1,472 CFM and only uses 117 watts, allowing you to save on your energy bills. For some kids, owning a Barbie was the ultimate childhood goal, but you may not have much use for those beloved dolls now. Your Barbies don’t need to sit in your attic collecting d...5. Quietcool Attic Fan Thermostats. Replace your old or non-functioning attic fan thermostat effortlessly with the QuietCool Attic Fan Thermostat. Specifically crafted for use with QuietCool power ventilators, this thermostat offers single-speed control and an adjustable temperature range from 50F to 120F.What Is an Attic Fan? Attic fans work as air ventilators and have the purpose to regulate an attic’s heat level by dissipating hot air. There will be a thermostat …QC Manufacturing, Inc. Best Sellers Rank: #124,955 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement) #289 in Household Ventilation Fans. Customer Reviews: 4.5 4.5 out of 5 stars471 ratings. California’s Proposition 65. Important information. To report an issue with this product, From the brand.The attic fans needs to have a minimum amount of “makeup air” or intake air which is the vent area that the attic fan pulls air from. If there isn’t enough venting in the attic for the attic fan to pull air from, it will start “pulling air” from the home’s interior, through the wall cavities, and drywall ceilings.

Benefits Of A Solar Attic Fan. Solar Fans convert passive ventilation to active. A Solar fan can extend the life of the roof and A/C system. Solar Fans reduce moisture which reduces mold & mildew. Solar Fans Increase air exchanges (per hour) There is no cost to operate a solar attic fan. Solar Fans qualify for the 26% Federal Tax Credit Program.. The book you wish your parents had read

TOM: Because the thing is, even though it's getting hot in that attic space, it is at ambient temperature, so that's kind of – you're not going to get it much ...The attic fans needs to have a minimum amount of “makeup air” or intake air which is the vent area that the attic fan pulls air from. If there isn’t enough venting in the attic for the attic fan to pull air from, it will start “pulling air” from the home’s interior, through the wall cavities, and drywall ceilings.Solar Attic Fans. A solar attic fan is the newest invention in the heating and cooling industry. They are installed on the roofs of most homes and by collecting natural energy from the sun they can power a whole house fan with the same efficiency as electrical units. Since they run on natural resources, they cut …SOLAR ATTIC FANS. THE PERFECT SOLUTION FOR WHEN YOUR HOUSE IS TOO HOT. A ventilation system that efficiently removes hot air and moisture from your attic so it stays cool and dry, giving you greater comfort in your home. It not only helps your home stay cooler, but it also prolongs the life of your roof and air conditioner.If you are considering improving the energy efficiency of your home, one area that shouldn’t be overlooked is the attic. The attic plays a crucial role in maintaining a comfortable...Pick #4. Broan 353. The Broan 353 is a high quality gable attic fan so you can push heat out during summer, and stop ice dams during winter. It has a fan speed rating of 1020-cfm. This single speed 4-blade gable exhaust fan has thermally protected and permanently lubricated motor --- it is also HVI certified.The cost to install an attic fan is around $600 on average, including installation and equipment. Compared to the cost to install a whole-house fan, which comes in at $850 normally. Lower installation cost: Attic fan. Climate. Attic fans work better in any given climate, as they simply focus on removing hot air from the attic and home. SOLAR GABLE ATTIC FAN. The Solar Attic Gable Fan is the most energy-efficient attic fan in the QuietCool line-up. This fan utilizes solar power to keep your home cool and safe throughout the day. These fans also possess the ability to cool 24 hours of the day due to their innovative inverter. Solar Gable Attic Fans. Maxx Air 1000 Series Power Attic Vents are built for ventilating residential attic spaces up to 1600 sq. ft. The ventilator's low profile dome is ...Then I found Go Green Energy Consulting DIY idea #8: We highly recommend that homeowners with whole house fans cover the grate with a detachable insulated cover when not in use. Lots of heat is able to radiate down from the attic through what is essentially an open hole in the ceiling. Most home improvement stores sell pre …Jul 18, 2023 · Larger fans are great for moving air quickly, but when you weigh the increased size against installation requirements, insulation, appearance, noise and cost, you may opt for a smaller fan. (Depending on your needs and floor plan, several smaller fans may provide better airflow.) Attic ventilation is almost as important as the fan. Attic Fans Again We just had our shingles replaces with white energy-star shingles, and had the attic floor insulation brought up to code. We told the roofing company not to remove the attic fan. We keep it turned off at the fuse box, to keep it from potentially causing other problems. We have a pretty good AC …How Whole House Fans Work. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. It provides good attic ventilation in addition to whole house cooling. Whole house fans should provide houses with 15 to 23 air changes per hour (varies with climate, floor plan, etc.—check with a professional to determine ...Solar-powered fans use a solar panel to generate the electricity needed to turn the fan motor. One common application is for attic ventilation. Because the solar panel provides the...QC Manufacturing, Inc. Best Sellers Rank: #124,955 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement) #289 in Household Ventilation Fans. Customer Reviews: 4.5 4.5 out of 5 stars471 ratings. California’s Proposition 65. Important information. To report an issue with this product, From the brand.Air Vent provides a complete line of ventilation products that meet the highest standards for quality and performance..

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