--- title: MCDLG Newsstand - HVAC Industry Info | AMCA description: AMCA | The MCDLG Newsstand - For information on Louvers, Dampers, and the HVAC Industry --- [![MCDLG Logo](https://newsstand.mcdlg-hvac.com/hs-fs/hubfs/Logos/MCDLG-logo2%20(50percent%20downscale).png?width=600&height=158&name=MCDLG-logo2%20(50percent%20downscale).png "MCDLG Logo")](https://mcdlg-hvac.com/) Open main menu Close main menu - [home](https://mcdlg-hvac.com/) - [about](https://mcdlg-hvac.com/about/) - [newsstand](https://newsstand.mcdlg-hvac.com/) - [contact](https://info.mcdlg-hvac.com/contact) - [careers](https://mcdlg-hvac.com/career-redirect/) # MCDLG Newsstand Select Category 2018 In Review 2019 in review Accessories Acoustical Louver Actuator Aesthetic AIA Air Leakage Air Performance Airfoil Blade Aluminum AMCA AMCA 540 AMCA 550 AMCA Ratings architecture Augmented Axle Backdraft Damper Balance Damper Bird Screen Blades Brick Vents Ceiling Radiation Channel Frame Chevron Combination Construction Control Damper Current Events Dampers Door Louvers Drain Pan Drainable Ductwork Efficiency Equipment Screen FEMA 361 Finishes Fire Damper Fire Resistance Fire-Smoke Damper Flange Frame Frame Depth Fusible Links Glazing Frame Green Hand Cranks Hand Quadrants Hat Frame History Hurricane Louvers HVAC Indoor Air Quality Industrial Damper Installation Insulated IoT Limits Linkage Location Louvers Maintenance Modulating Mullion Multi-Zone Damper Newsstand News NFPA Penthouse Louver Pin-Lock Pneumatic Pressure Drop PTAC Reconstruction Round Damper Sand Louvers Screen Seals Severe Weather Sill Extension Smart Tech Smoke Damper Specifications Specs Stationary Steel Style Sunscreen Sunshade Switch Temperature Rating Thin Line Louver Transitions UL Life Safety Virtual Vision Screen Water Penetration Wind Driven Rain This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. Posts about: ## AMCA ![The Condenser - The Importance of Louver Testing](https://newsstand.mcdlg-hvac.com/hubfs/Images/Blogs/Condenser%20Articles/MCDLG%202025%20-%20Condenser%20Louver%20Testing%20-%20Banner%20Image.png) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Louvers](https://newsstand.mcdlg-hvac.com/tag/louvers) ### [The Condenser - The Importance of Louver Testing](https://newsstand.mcdlg-hvac.com/condenser-importance-of-louver-testing) Jul 9, 2025, 5:59:40 PM You should know the capabilities of your louvers before you install them. Learn the importance of louver testing with this quick Condenser read. [Read More](https://newsstand.mcdlg-hvac.com/condenser-importance-of-louver-testing) ![AMCA 540 - Missile Impact Testing for Hurricane Louvers](https://newsstand.mcdlg-hvac.com/hubfs/Images/Blogs/AMCA%20540%20Missile%20Impact/Hubspot%20Blogs%20-%20AMCA%20540%20-%20cover.webp) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Hurricane Louvers,](https://newsstand.mcdlg-hvac.com/tag/hurricane-louvers) [AMCA 540](https://newsstand.mcdlg-hvac.com/tag/amca-540) ### [AMCA 540: Large Missile Impact Testing for Hurricane Louvers](https://newsstand.mcdlg-hvac.com/amca-540-large-missile-impact-testing-for-hurricane-louvers) Jul 20, 2023, 12:00:00 PM Hurricane louvers must withstand strikes from windborne debris. AMCA 540 is the standard for large missile impact tests. Learn more on the MCDLG Newsstand. [Read More](https://newsstand.mcdlg-hvac.com/amca-540-large-missile-impact-testing-for-hurricane-louvers) ![Five Things to Know When Choosing Louvers](https://newsstand.mcdlg-hvac.com/hubfs/Images/Blogs/Five%20Things%20for%20Louvers/MCDLG%20Blog%202022%20-%205%20Things%20to%20Know%20when%20Choosing%20Louvers%20(Resize).webp) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Louvers,](https://newsstand.mcdlg-hvac.com/tag/louvers) [AMCA Ratings,](https://newsstand.mcdlg-hvac.com/tag/amca-ratings) [Accessories](https://newsstand.mcdlg-hvac.com/tag/accessories) ### [Five Things to Know When Choosing Louvers](https://newsstand.mcdlg-hvac.com/five-things-choosing-louvers) Jun 13, 2022, 4:59:20 PM Choosing the right louvers can be tough. Here are five things you should know to make the right decision. [Read More](https://newsstand.mcdlg-hvac.com/five-things-choosing-louvers) ![Air Performance and Control Dampers](https://newsstand.mcdlg-hvac.com/hubfs/Images/Blogs/Air%20Performance%20and%20Control%20Dampers/MCDLG%20-%20Blogs%20-%20Air%20Performance%20and%20Control%20Dampers.webp) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Air Performance,](https://newsstand.mcdlg-hvac.com/tag/air-performance) [Control Damper,](https://newsstand.mcdlg-hvac.com/tag/control-damper) [Pressure Drop](https://newsstand.mcdlg-hvac.com/tag/pressure-drop) ### [Air Performance and Control Dampers](https://newsstand.mcdlg-hvac.com/air-performance-control-dampers) Jun 16, 2021, 11:30:00 AM In this article, we review AMCA's test standards for measuring pressure drop for control dampers, including across multiple installation types. Learn how these tests determine a damper's air performance with the MCDLG Newsstand. [Read More](https://newsstand.mcdlg-hvac.com/air-performance-control-dampers) ![The Mestek Commercial Damper and Louver Group is here to help!](https://newsstand.mcdlg-hvac.com/hubfs/Images/Blogs/MCDLG%20is%20Here%20to%20Help/Hubspot%20Blog%202020%20-%20MCDLG%20is%20here%20to%20help%20(Resize%20SVG).svg) [HVAC,](https://newsstand.mcdlg-hvac.com/tag/hvac) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Specifications](https://newsstand.mcdlg-hvac.com/tag/specifications) ### [MCDLG is Here to Help - Products, Specifications, and More](https://newsstand.mcdlg-hvac.com/mcdlg-is-here-to-help) May 12, 2020, 11:00:00 AM The title says it all. The Mestek Commercial Damper and Louver Group (MCDLG) is here to help! We provide support for each stage of the purchasing process: from continuing education to meeting project requirements. You can count on us! [Read More](https://newsstand.mcdlg-hvac.com/mcdlg-is-here-to-help) ![AMCA 540 and AMCA 550, Test Standards for Hurricane Louvers](https://newsstand.mcdlg-hvac.com/hubfs/Images/Blogs/AMCA%20540-550/AMCA%20540-550%20Blog%20Cover%20(Resize2).webp) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Louvers,](https://newsstand.mcdlg-hvac.com/tag/louvers) [Water Penetration,](https://newsstand.mcdlg-hvac.com/tag/water-penetration) [Wind Driven Rain,](https://newsstand.mcdlg-hvac.com/tag/wind-driven-rain) [Severe Weather,](https://newsstand.mcdlg-hvac.com/tag/severe-weather) [Hurricane Louvers,](https://newsstand.mcdlg-hvac.com/tag/hurricane-louvers) [AMCA 540,](https://newsstand.mcdlg-hvac.com/tag/amca-540) [AMCA 550](https://newsstand.mcdlg-hvac.com/tag/amca-550) ### [AMCA 540 and AMCA 550: Tougher Tests for Hurricane Louvers](https://newsstand.mcdlg-hvac.com/amca-540-550-hurricane-louvers) Jan 7, 2020, 12:00:00 PM AMCA Standards 540 and 550 are the latest testing standards for hurricane louvers. But are they better? This article covers AMCA 540-550 and compares them to the original Miami-Dade Standards. [Read More](https://newsstand.mcdlg-hvac.com/amca-540-550-hurricane-louvers) ![Louvers for Every Occasion?](https://newsstand.mcdlg-hvac.com/hubfs/Images/Blogs/Louvers%20for%20Every%20Occasion/HS%20Blog%202019%20-%20Louvers%20Every%20Occasion%20(Resize).webp) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Louvers,](https://newsstand.mcdlg-hvac.com/tag/louvers) [Water Penetration,](https://newsstand.mcdlg-hvac.com/tag/water-penetration) [Wind Driven Rain,](https://newsstand.mcdlg-hvac.com/tag/wind-driven-rain) [Severe Weather](https://newsstand.mcdlg-hvac.com/tag/severe-weather) ### [Louvers for Every Occasion? - Louver Selection and Application](https://newsstand.mcdlg-hvac.com/louvers-for-every-occasion) Oct 7, 2019, 11:45:00 AM Each type of louver is designed to fulfill a certain role in your building, but is there a louver that can work for everything? Learn which traits make a certain louver fit best into a particular application. [Read More](https://newsstand.mcdlg-hvac.com/louvers-for-every-occasion) ![Newsstand-Year in Review - 2018](https://newsstand.mcdlg-hvac.com/hubfs/Newsstand-Year%20in%20Review%20-%202018.jpg) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Louvers,](https://newsstand.mcdlg-hvac.com/tag/louvers) [Control Damper,](https://newsstand.mcdlg-hvac.com/tag/control-damper) [2018 In Review](https://newsstand.mcdlg-hvac.com/tag/2018-in-review) ### [A Year in Review with Ken Wahlers, President of MCDLG](https://newsstand.mcdlg-hvac.com/2018-in-review-with-ken-wahlers) Dec 10, 2018, 10:34:56 AM ## **In this article, Ken Wahlers looks back on our accomplishments in 2018 and reveals what MCDLG has in store for 2019.** [Read More](https://newsstand.mcdlg-hvac.com/2018-in-review-with-ken-wahlers) ![AMCAicons4](https://newsstand.mcdlg-hvac.com/hubfs/Images/Blogs/AMCA%20Ratings/AMCAicons4.jpg) [HVAC,](https://newsstand.mcdlg-hvac.com/tag/hvac) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Louvers,](https://newsstand.mcdlg-hvac.com/tag/louvers) [AMCA Ratings](https://newsstand.mcdlg-hvac.com/tag/amca-ratings) ### [AMCA Testing - AMCA Seals for Louvers](https://newsstand.mcdlg-hvac.com/amca-seals-for-louvers) Oct 8, 2018, 12:05:36 PM AMCA Ratings can help you determine which louvers are best at a given task. What do they mean? [Read More](https://newsstand.mcdlg-hvac.com/amca-seals-for-louvers) ![AMCA Testing for Louvers - Water Penetration](https://newsstand.mcdlg-hvac.com/hubfs/Images/Blogs/AMCA%20Ratings/AMCA_FB%20Cover%20Images2%20(Resize).webp) [HVAC,](https://newsstand.mcdlg-hvac.com/tag/hvac) [AMCA,](https://newsstand.mcdlg-hvac.com/tag/amca) [Louvers,](https://newsstand.mcdlg-hvac.com/tag/louvers) [Water Penetration,](https://newsstand.mcdlg-hvac.com/tag/water-penetration) [AMCA Ratings](https://newsstand.mcdlg-hvac.com/tag/amca-ratings) ### [AMCA Testing for Louvers - Water Penetration](https://newsstand.mcdlg-hvac.com/amca-test-water-penetration) Aug 15, 2018, 1:07:50 PM The Air Movement and Control Association (AMCA) provides test standards for louvers. This article covers the test involved for water penetration. [Read More](https://newsstand.mcdlg-hvac.com/amca-test-water-penetration) [1](https://newsstand.mcdlg-hvac.com/tag/amca) [2](https://newsstand.mcdlg-hvac.com/tag/amca/page/2) #### About - [About MCDLG](https://mcdlg-hvac.com/about/) - [Continuing Education](https://learning.mcdlg-hvac.com/en/welcome) - [MCDLG Home Page](https://mcdlg-hvac.com/) #### MCDLG Brands - [Arrow United Industries](https://www.arrowunited.com/) - [Air Balance](https://www.airbalance.com/) - [Airline Louvers](https://www.airlinelouvers.com/) - [Cesco Products](https://www.cescoproducts.com/) - [Louvers & Dampers](https://www.louvers-dampers.com/) #### News - [Passive Fire Protection](https://newsstand.mcdlg-hvac.com/passive-fire-protection-for-hvac) - [Finding the Right Storm Louver](https://newsstand.mcdlg-hvac.com/finding-the-right-storm-louver) - [Five Types of Dampers](https://newsstand.mcdlg-hvac.com/five-types-of-dampers-and-when-to-use-them) - [MCDLG Newsstand](https://newsstand.mcdlg-hvac.com/) [Follow us on Facebook](https://www.facebook.com/MCDLGHVAC) [Follow us on LinkedIn](https://www.linkedin.com/company/mestek-commercial-damper-and-louver-group)