HVAC Design: Understanding Proper Ductwork Design & the Importance of Manual D & T with Alex Meaney

Have you ever thought about how duct design and grille placement impact your comfort? Manuals D and T are the playbooks that ensure air flows efficiently and evenly throughout your home. In Part B of this two-part class, Alex Meaney explains how Manual D helps your ducts get sized and laid out correctly, while Manual T fine-tunes the details of registers and grilles so air gets where it needs to go. You’ll learn how poor duct design can undermine even the best HVAC system, plus smart ways to improve existing ducts, choose the right contractor, and spot sales-driven red flags. If you're ready to build an HVAC system that runs efficiently without wasting energy or causing new problems, this class is for you. If you missed Part A on Manuals J and S, be sure to catch it first for the full picture. In this mini class, you’ll learn: The importance of ducts, grilles, and proper duct sizing, including how ducts and fans increase on a curve and why older HVAC methods don’t work for today’s homes. (3:02) How incorrectly sized ductwork can create problems with other parts of the HVAC. (11:16) Where to locate your HVAC unit and ducts in a new home, when those plans should be made, and why mechanical space size matters. (12:23) Why measuring airflow is essential when working with existing ductwork, and tips for optimizing airflow. (20:31) How Manual D and Manual J work together, and how duct and building improvements can resolve HVAC issues. (24:23) How grille styles affect performance, what mean radiant temperature is and how insulation protects against it, and the impacts of supply versus return. (28:18) Why velocity matters and how the Bernoulli Effect influences circulation. (36:35) How to recognize good contractors, spot red flags, test contractors, and maintain your boundaries. (39:32) Watch More Episodes From Our HVAC + D Mini Class Series here: https://changetheairfoundation.org/un... Thank You To Our Sponsor! Santa Fe Dehumidifiers: www.santa-fe-products.com Get In Touch With Our Guest: Mean HVAC Consulting & Design: https://www.meanhvac.com Learn More About Change The Air Foundation: https://www.changetheairfoundation.org Sign Up For Our Newsletter: https://changetheairfoundation.org/st...