Is it bad to cover a vent with a bed? 

Homeowners often arrange furniture in such a way to create the perfect living space in their home. If beds are placed in rooms, there may be a question of whether or not to cover vents when placing them.

If a bed is set over a vent, is it wrong to do so? In this article, we will discuss the adverse effects of this practice on indoor air quality, heating and cooling efficiency, and long-term implications.  

What Is A Floor Vent

Floor vents are one part of a heating, ventilation, and air conditioning system. It is one of the components located on the floor of a room as part of the HVAC system (Heating, Ventilation, and Air Conditioning).

A sound ventilation system facilitates airflow around the building’s interior. These vents can be strategically placed near the walls or in the center of the room’s floor to ensure efficient air distribution.

The floor vent plays an essential role in maintaining a comfortable indoor environment by dispersing conditioned air throughout any room it is located in. The key to maximizing HVAC system efficiency and functionality is ensuring its operation is always unobstructed. This will enable you to reap the full benefits of its functionality.

Keeping the vent clear of any objects or debris will allow the air to flow freely and efficiently. Regularly inspecting and cleaning the floor vents is a good practice to ensure the optimal performance of your HVAC system.

How To Properly Put A Bed On Top Of A Floor Vent

Here is a detailed guide on how to place a bed appropriately on top of a floor vent if you decide to do so-

  • Elevate the Bed-

 Consider raising the bed several inches above the floor so that air from the floor vent can circulate freely in your room. It is possible to achieve this by using a bed riser, a small platform placed under the bed feet. Air can pass beneath the elevated bed, preventing blockages that might hamper proper air distribution.

  • Air Diverters

The air diverter is an accessory designed to channel airflow under the bed to ensure air is circulated efficiently. A diverter attaches to the vent and directs the air horizontally instead of vertically.

The airflow can be diverted under the bed with an air diverter attached to the floor vent. This prevents it from being trapped and spreading. It keeps the bed in the desired position while maintaining a comfortable room temperature.

  • Use deflectors-

A deflector is an adjustable device attached to the floor vent. These devices redirect airflow away from obstacles so it can flow freely. It is possible to guide air flowing around the bed sides using deflectors.

This is so that the bedside rails will not block the air. Doing this will allow you to circulate the air effectively throughout the room without compromising the bed’s positioning.

  • Strategic Bed Placement-

When putting the bed over a floor vent, you should consider the bed’s location within the room when placing it there. Consider a configuration that prevents the bed’s weight from completely covering the mattress vent.

If, for example, the vent is situated near the wall, align the bed so that airflow has a clear path. A possible solution to this might be to adjust the bed orientation within the room or place it slightly off-center in the room.

Why Is It Bad To Place Your Bed Oven on A Floor Vent?

Listed below are a few reasons why placing your bed over a floor vent isn’t a wise idea. You should reconsider.

  • Unutilized Power and HVAC Malfunction-

A bed blocks a floor vent, disrupting the HVAC system. The blocked vent forces the HVAC system to work harder. Additionally, it releases cool air into the room at the same time. Much energy is consumed when the system cannot maintain the desired temperature. This results in higher energy consumption, which, over time, could lead to a malfunction.

  • Damage to the Bed

When a wood bed is placed over a floor vent, it is exposed to cold and damp conditions. Depending on the HVAC system temperature, moisture may be created on the bed’s surface due to the cold air. This can lead to mildew and mold growth. Wood that accumulates moisture can warp, weaken, and eventually deteriorate due to moisture accumulation.

  • Imbalanced Air Circulation

The HVAC system is designed to correctly ensure airflow and temperature balance. Airflow equilibrium is disturbed by blocking vents with furniture. Lack of fresh cold air can lead to discomfort and inefficiency. Running the HVAC system becomes counterproductive when this occurs since you can no longer cool.

  • Mildew and Mold Growth-

Beds trap cold air from floor vents. It creates a moist environment beneath the bed by interacting with linens, cotton, and synthetic fibers. It creates a breeding ground for mildew and mold, affecting the bed and causing health problems.

  • Fire Hazard-

HVAC systems’ furnaces and heat exchangers rely on steady air supplies. Beds with over-floor vents limit air supply to the heat exchanger. Expansion, overheating, and cracking can result. If left unattended, the increased risk of igniting this situation is one of the main reasons this poses a severe fire hazard.

  • Increased Electric Bills-

When the house has blocked air vents, the HVAC system has to work harder to maintain the desired temperature and consume more energy. Despite the comfort benefits of the increase in energy consumption, this will lead to an increase in electricity bills over time. You will spend more on utility bills in the long run because your HVAC system becomes less efficient.

Home Improvement Ideas


Can I completely shut off a vent under my bed?

If you are close to a vent under your bed, you need not restrict airflow and create temperature imbalances.

How can I still cover the vent without issues?

The bed vent should not be covered if you want proper air circulation around the bed. The use of bed risers or adjustable furniture can ensure adequate airflow in the room.

Will covering a vent save energy?

Covering a vent can redirect airflow, making the area around it warmer or more comfortable. However, this can also strain your HVAC system and increase your overall energy consumption. It’s important to make sure that the vents are not blocked or covered up for too long, as this can cause the system to overheat. It’s best to use other methods to regulate the temperature, such as using a fan or adjusting the thermostat.

Can I redirect airflow from a vent without covering it?

Vent deflectors are a great way to redirect airflow without covering it. In this way, proper air circulation will be maintained while discomfort is avoided. They are especially useful in areas with high ceilings, as they can help keep air circulating and reduce the risk of hot or cold spots. Vent deflectors are also relatively easy to install and maintain.


Covering a vent with a bed requires a trade-off between comfort and air quality. Even though it might provide immediate benefits like lower noise levels and airflow re-direction, it should also be viewed in light of the possible drawbacks, like restricted air circulation and reduced HVAC efficiency.

Suppose you desire a comfortable and healthy living space. In that case, it is essential to balance ensuring unobstructed airflow and maximizing the utility of your furniture arrangements. This will ensure you enjoy a comfortable and healthy living space.

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