For years, I have assumed that the air is supposed to flow from the cold side, through the humidifier, and mix with the hot air. The input duct to the humidifier is taken from the cold air return, so that it bypasses the furnace. If you want to direct air away from a wall or corner, you can adjust the fins so they’re slightly slanted toward the room you’re in. The humidifier is attached just above the furnace, on the hot air side. This allows optimal airflow for the highest possible energy efficiency. The best option with any ducted heating and cooling system is to keep your vents open at all times. This features multi-stage systems, variable speed blowers, and multiple thermostats that will efficiently manage airflow and temperatures throughout the house.
#DIRECTION OF AIR FLOW FURNACE INSTALL#
If you feel strongly about maintaining different temperatures in various parts of the house, the best option is to install a zoned heating or air conditioning system.
#DIRECTION OF AIR FLOW FURNACE WINDOWS#
It will suck air in around the doors and windows as best it can, diminishing your energy efficiency and possibly impacting your home comfort by creating uneven hot and cold spots. This causes your HVAC system to work harder than necessary at getting air through to the house.Ī room with closed vents and a closed door will also have a pressure difference. If you close too many vents, air pressure will build up in the ductwork. It will continue blowing the same amount of air, whether your vents are open or closed. Your HVAC system is designed to send a certain amount of air through the house, based on its square footage. The Danger of Closed VentsĬlosing vents in your home isn’t an efficient way to manage airflow. Making the wrong move could cause energy bills to skyrocket in your home. Unfortunately, adjusting HVAC vents isn’t as straightforward as it seems.
After all, there’s no point in letting air flow into the guest room when no one is staying there, right? The arrow should always point in the direction the air is. Many Texas homeowners believe closing vents in unused spaces is an efficient way to minimize energy use. Furthermore, the homes air flows through a filter before the furnace.
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