Understanding Air Flow | Ask This Old House

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In this video, This Old House plumbing and heating expert Richard Trethewey and home technology expert Ross Trethewey explain everything you need to know about balancing airflow within a home. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse. Kevin O’Connor meets plumbing and heating expert Richard Trethewey and his son, home technology expert Ross Trethewey, to talk about airflow. Richard explains that most folks with forced hot air or central air conditioning dislike their air distribution, and the Tretheweys explain the options. Most Folks Aren’t Happy With Their Heating and Cooling System Most American homes have hot air heating or ducted cooling systems. And, seven out of ten of the folks in those homes are unhappy with how they operate. Much of the reasoning behind their unhappiness is air distribution and how some rooms receive too much air while others receive too little. Air Travels the Path of Least Resistance Physics is constantly fighting against ideal airflow. As the main duct routes through the home, smaller ducts branch off. If these smaller ducts are left wide open, the majority of the air will pour out through the ducts closest to the furnace or air conditioner, while the ducts at the end of the line will receive very little airflow. This is because air travels through the path of least resistance. Dampers are the Answer It’s possible to control airflow by installing differently-sized ducts or adjusting louvers on air registers, but most

Published 2022-06-25 · Watch on YouTube ↗
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