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This is similar to asking if an ice cube cools water down faster when it is at the edge of the glass, versus the middle. Changing the direction of louvers does not change the amount of heat in the room.

#AIR VENT DEFLECTOR SIDEWAYS WINDOWS#

So why waste the energy to heat up windows that can't retain the heat? As soon as the heat turns off, I'd bet those windows cool back down to 58F within a few minutes.

Those windows have the lowest insulation R-Value value of the entire exterior wall surface area, so it seems counterproductive to blow warm air over the windows that remain 14 degrees colder than the room. The vents are currently facing away from the windows. While I do not understand Max's post, as it seems contrary to the second law of thermodynamics that it would make any difference at all. If this 115F air gets blown across 58F windows before the air makes it into the room, doesn't that lower the efficiency? It kinda seems like putting a block of ice in the heat vents.Īre the vents facing the windows when you took those temp readings? It may seem that way, but if you reverse it, it will take longer to bring the room to the set temperature because there is more 'cold' air in the room therefore the system works harder/longer. The heat coming out of the vents is 115F. I was wondering this: Right now it is 37F outside and my windows are 58F with an inside room temp of 72F. It works opposite of how your common sense tells you it should work. In the winter, the warm air your furnace produces blows on the outside wall at the point of where you`re losing the heat from your house.

In the summer, the cool air your AC is producing blows on the outside wall and absorbs heat as it comes into the house. The supply vents should blow on the outside walls. That outside wall is also where, in the winter, the heat in your house is lost to the outdoors. However, before you go, please measure the size of your floor vent and the distance from the vent to the edge of your furniture covering it.I`ve been in the HVAC industry 35 years, what the AC guys are telling you is correct.Īn outside wall is where heat is absorbed into your home in the summer.

#AIR VENT DEFLECTOR SIDEWAYS HOW TO#

How To Make a DIY Vent Extender For Furnitureįirst, you will need to make a trip to The Dollar Tree. Block that flow, and your home will run sub-optimally, and you may also cause damage to your HVAC system.” You can see more reasons to use an extender in this article from Hunker.

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Vents are there to provide for a necessary free flow of air. “The short answer to this question is, “No, it’s not ok to block the airflow.” The second sentence in this article convinced us that, YES, we needed a vent extender. This is the question I asked my husband, and here is the result of his research. Is It OK to Put Furniture Over The Floor Vents? If the vent is under a sofa, dresser, or bed, the vent extender will direct the airflow from underneath the furniture blocking proper airflow. The purpose of a vent extender is to redirect the airflow from a heating and air conditioning vent that may be impeded due to furniture placement. As an Amazon Associate I earn from qualifying purchases. ( Posts on The Ponds Farmhouse may contain affiliate links. Insert the Vent Cover with Extender Attached Over Vent Opening.How To Attach The Extender For The Vent?.How To Measure and Cut for DIY Vent Extender?.How To Make a DIY Vent Extender For Furniture.

Is It OK to Put Furniture Over The Floor Vents?.What Is The Purpose of A Vent Extender?.

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