![]() ![]() Be sure to replace it every 30 to 90 days.Ī duct booster fan isn’t going to help in most of these scenarios. Likewise, a system that is too large will heat or cool your home too quickly, leaving hot and cold spots.ĭirty air filter: A clogged filter will restrict airflow and strain your HVAC equipment. Your HVAC system is the wrong size: An undersized furnace, heat pump or air conditioning system will not distribute enough air throughout your home. Duct booster fans can possibly increase the airflow to push it to the vents before diminishing.ĭucts weren’t installed properly: Poor installation can result in kinks in flexible ducts, sharp bends, improper sealing and other factors that will hinder performance. Likewise, if some runs of ducts are too long, airflow will diminish before it reaches the vents. Your ducts are poorly designed: When the majority of the ductwork is placed on one side of the house, forced air won’t reach every part of the house. Unfortunately, studies have shown that as much as 30 percent of air is lost along the way through leaks. Your ducts are leaking: The air produced by your central air system has to travel some distance before it reaches its final destination. There are several reasons for differing temperatures in your home and a booster fan might not be the solution. Long answer: If you are considering a booster fan because of uneven heating, you’d be better off having a professional inspect your HVAC system. The fan immediately begins running whenever the HVAC system is operating.Īn inline booster is more quiet, more efficient and, naturally, more expensive than a register booster fan. Simply plug it into a standard outlet and insert it into the air register. It’s a small electric fan that replaces your wall or floor register. It requires professional installation.Ī similar product is a register fan. It’s installed in a run of duct, usually midway between the blower and the vent serving the room. What is a Duct Booster Fan?Īn inline duct booster fan assists in pumping air through the ductwork in your home. ![]() Let’s take a closer look at what a duct booster fan is and whether it makes sense to use one. If you have one or two rooms that are hotter or colder than the rest of the house, you likely have a problem a booster fan won’t adequately address. Your HVAC system is designed to distribute air evenly throughout your home. In most cases, however, it would be better to address the underlying cause of poor airflow. You might consider using a duct booster fan for that one room that remains stubbornly hot or cold. Duct booster fans may increase airflow in ductwork to certain rooms. A duct booster fan does exactly as the name implies - it gives your HVAC system a boost.
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