Can You Put Furniture Over A Vent?

Can You Put Furniture Over A Vent?
  • Author: Amanda Arnold
  • Posted On: January 15, 2022
  • Updated On: August 21, 2023

As much as possible, avoid placing furniture over a vent. There are several clear causes for this, the most serious of which being HVAC system damage. If you block the airflow through the vents, your air conditioner will have to work harder. Vents provide for the unrestricted passage of air that is required.

If you stop that flow, your home will run inefficiently, and you may even harm your HVAC system. It is not a good idea to put furniture over vents. If you put furniture on top of a vent, the wood may dry out and ruin your pricey sofa or armoire.

You could also make your furnace or air conditioner work harder, resulting in greater utility bills or early system wear. When operating the heating or cooling system, covering the floor registers in your home is potentially risky.

When you dial up the heat, you’re forcing more air through the system, which increases your heating expense. When asbestos is lining the walls, covering the grates is equally risky.

Why Don’t You Put The Furniture Over A Vent?

When professionals installed your home’s HVAC system, they performed extensive calculations to determine the size and power of a furnace and air conditioner that would be appropriate for cooling and heating it.

However, when you place a bed over one or more of them, the predetermined balance is disrupted, resulting in a lack of fresh cold air in your home. You’re better off without an operating HVAC system at that moment because you’re not getting the full advantage of the high cooling expenditures.

Increase The Power Utilization

When you close vents in your home, the entire HVAC system has to work harder to pull hot air into the system and push cold air out. Damage to the system and expensive cooling expenditures are two possible outcomes of this extra labor.

Working harder causes the system to wear down more quickly, necessitating more regular maintenance or replacement. A bloated energy bill is another thing you don’t want to see – when the HVAC system is forced to work harder; it consumes more energy.

Inappropriate Air May Damage The Furniture

Remember that the air coming out of the vents is designed to cool your house, so it’s chilly enough to cause a coating of moisture to build on some portions of your bed after a while. If mildew or mold grows on your bed, it will likely leave unsightly stains and discolorations, making it impossible to resale.

In more extreme cases, you’re bedding, and even the bed may need to be completely replaced. Aside from that, cooling vents can leave condensation on furniture, leading to mold growth. As a result, you may need to apply new coatings to them more frequently, costly.

Higher Chances Of Mold Growth

Beds, mattresses, and other upholstered furniture placed above vents tend to trap the chilly and humid air emitted by the vents. A musty environment is formed when stagnant air comes into contact with cotton, linen, or other synthetic and natural fibers and materials.

The worst part is that you won’t notice until it’s too late because all of the growth happens beneath your bed, out of sight.

Blocked Vents Would Lead To Less Air

The repercussions of clogged vents could expand to a gadget you hadn’t considered: the furnace. Your furnace has a heat exchanger, a metal coil that collects air, heats it, and then transfers it onto the remainder of the system to be streamed into the room.

When vents are blocked, less air reaches the heat exchanger. The heat exchanger may overheat, expand, and crack in extreme circumstances. The final result is frequently a cold home, a fire hazard, exorbitant energy costs, and a disgruntled homeowner.

How To Place Furniture Safely On The Vents?

Although blocking air vents is never a good idea, you may be at a loss for what to do. In that scenario, you might want to experiment with adjusting your configuration. A minimum gap of 10 to 18 inches should be maintained between cold air vents and furniture.

The space must not be smaller than that, whether the object is a chair, couch, or something larger. As a result, the vents will be less likely to become clogged. Also, check sure no drapes or curtains cover the furniture’s air vents.

Use Vent Diverter

Vent diverters are clear plastic items that use magnets or adhesives to adhere to the vents. And it is their role to reroute airflow from beneath impediments, such as furniture items. They usually have a 10-inch ground clearance, which means your furniture should be much higher.

You can use one of these diverters to eliminate the concerns above once you’ve established the proper space. On the other hand, using vent extenders may help if your furniture is too low. In contrast to other furniture, Beds are often large and take up much room.

As a result, they obstruct air vents, resulting in several issues. Furthermore, despite their ability to function with tiny furniture, vent diverters are largely ineffective in front of king-size beds. As a result, you should try to keep a bed away from vents as much as feasible.


Is it permissible to place furniture over a vent? The answer is contingent on your situation. If you don’t have anywhere else to put that furniture, for example, go ahead and do it, but only with diverters. However, furniture should not be placed over vents just for aesthetic reasons.

Instead, cover them with paint or decorative room dividers to keep them hidden. Custom grilles and radiator covers hide simple builder-grade vents, fit your decor, and keep curious paws and fingers safe if you want to safeguard dogs or kids from vent contact.

Meta Description:

It is not a good option to place the furniture on the vents. But you can put the furniture on the vents if needed using vent diverters.

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Author: Amanda Arnold

Amanda has been working with ConstructionHow since 2021. Her experience spans over 5 years in the creative niche such as home decor and trends, landscaping, renovations, and custom architectural values. As a home designer expert, she has a keen eye for the latest home improvement trends with accurate facts that readers find impossible to ignore. Being invested in home-building trends is how she has gained her lucrative expertise exploring more to bring a positive ambiance for all homeowners (and even tenants!). Currently, she lives in a beautiful beach home, a source of fascination for her.