Can you reroute an air vent?

Author: Audreanne Raynor PhD  |  Last update: Tuesday, October 14, 2025

Yes, vent deflectors do work to redirect hot and cold air distributed from your HVAC system. If installed correctly—and magnetic deflectors make it easy to DIY— you might find that a deflector is enough to redirect the warm or cool air where you prefer it to be.

How much does it cost to reroute air vents?

The cost to reroute ductwork for a 1,000- to 2,500-square-foot home, including labor, can fall between $1,500 and $9,000, with the average cost falling around $4,500. Whether you're planning a home renovation or addressing HVAC system issues, understanding the expenses involved is crucial.

Can you relocate an air vent?

If the current air vent was installed properly and you plan to use the same vent cover, you can measure the existing cutout in the drywall and make one the same size in the new vent location. Otherwise, if you're using a new vent cover, you'll want to measure for a new cutout.

How do I redirect my AC airflow to another room?

One can use the vent cover to redirect and control airflow if it has a lever or switch. Vent deflectors are another option; they help us regulate air flow from vents located under furniture and appliances. Another effective option is an air vent diverter, a tool created using curved plastic fitted to the vent cover.

Can you change the direction of an air vent?

The Difference Between Return and Supply Vents

To change the direction of the grates, you have to unscrew the entire grille and turn it upside down. On the other hand, supply vents usually have a small lever that allows you to adjust the direction of the grates so air can blow at or away from a specific area.

Don't CLOSE Your Vents!

Can I redirect an air vent?

Yes, vent deflectors do work to redirect hot and cold air distributed from your HVAC system. If installed correctly—and magnetic deflectors make it easy to DIY— you might find that a deflector is enough to redirect the warm or cool air where you prefer it to be.

Can you reroute a vent pipe?

A: Many DIYers have experienced that “uh-oh” moment at some point in their remodeling escapades. You know, when they gleefully start to tear down a wall and find all sorts of unexpected things going up through and between the wall studs. The fast answer for Suzanne is the vent pipes can be moved.

Can I vent my AC into another room?

This can be done by using a duct or hose to connect the air conditioner to the other room. Vent into a drop ceiling: If the room has a drop ceiling, you may be able to vent the air conditioner into the ceiling space. This can be done by cutting a hole in the ceiling and installing a vent cover.

Why is my bedroom hotter than the rest of the house?

Common issues like leaks, disconnections, or obstructions within the ducts disrupt the flow of cooled air, causing rooms farther from the HVAC unit to suffer the most. In some cases, inadequate insulation of ducts can allow heat to infiltrate, further exacerbating the problem.

Is blocking air vents bad?

The repercussions of a blocked air vent can extend beyond just the unit's inefficiency, actually causing it to break down over time. The furnace's heat exchanger and the air conditioner's cooling coils rely on air to regulate their temperatures. If this air level is reduced, the heat exchanger can overheat.

Can you change air vents?

Troubles with your air vents and ducts can shorten your HVAC system's life by forcing it to work harder, and it can make your home less comfortable. A Comfort Systems professional can take care of many problems, but a replacement of vents and ductwork is often simpler and less expensive.

Where should the return air vent be located?

Return air vents are usually found in the lower wall of a room or hallway. Ideally, your return air vents and supply vents should be on opposite sides of the space. Otherwise, you may be pulling some of the heated or cooled air back into the system before it has a chance to circulate.

Can you put a bed against a vent?

Dropping a mattress directly onto a floor vent will completely restrict the airflow and prevent the HVAC system from heating or cooling the space. This, in turn, can cause the HVAC system to work overtime, leading to premature wear and tear.

Is it cost effective to close vents in unused rooms?

You might be surprised to learn that closing air vents in unused rooms actually makes your HVAC unit work harder and could make your bills higher. Your air conditioner is designed to deliver a specific amount of air based on your home's size, not based on how many vents are open.

Can my HVAC handle another room?

Depending on the specifics of your home and its current HVAC set-up, you may simply be able to extend your ductwork to the addition and let your system handle it. However, you won't be able to do this if your furnace or air conditioner are not rated for the extra space.

Can I add another vent to existing ductwork?

You can add a vent to existing ductwork if your AC can handle it. This can provide comfort in rooms not served by your HVAC system. It can even improve indoor air quality and increase your home's resale value.

How do I fix the hottest room in my house?

For your convenience, we've kept these in a logical order beginning with the simplest and most likely culprits to the more expensive but assertive solutions.
  1. Crack your bedroom doors. ...
  2. Make use of your HVAC's fan. ...
  3. Turn down your A/C a few degrees at night. ...
  4. Change your filter. ...
  5. Install a humidity sensing thermostat.

What does a return vent look like?

You can usually spot return vents on your walls, ceiling, or floors. Look for a white grille without shutters to spot an air return vent. These vents will typically integrate seamlessly into your home.

Why is my bedroom so stuffy at night?

Stuffy air typically occurs in rooms that lack ventilation. Open windows and doors, or run your ventilation system if you have one. Some areas of the home may also need spot ventilation. Adding a bathroom or kitchen fan near the moisture or pollution source helps to solve common problems.

How do you spread AC from one room to another?

Use of Fans to Distribute Cool Air

Position the fans in the doorways or hallways to make effective use of your air conditioning unit to distribute the cool air around. The circulator function causes a similar effect: it creates more or less wind according to how you like it.

How many HVAC vents should be in a room?

Generally, the size of your home determines how many vents you will need per room. If your room is larger than 100 square feet, you will need more than one vent (at least two) to really get adequate airflow to the room. If the room is smaller, you only need one.

How much does it cost to relocate a vent pipe?

The cost to reroute a plumbing vent ranges from $500 to $5,000, with a national average of $1,500. Budget for more if you expect drywall, roof, or floor repairs. The piping of a household is a modern miracle, as it utilizes the air flowing throughout the house at any given time to keep your lines moving.

Can a vent pipe have a 45 degree angle?

Vent pipes must be installed so they stay dry. This means that they should emerge from the top of the drainpipe, either straight vertically or at no less than a 45-degree angle from horizontal, so that water cannot back up into them.

How much does it cost to reroute a pipe?

While the majority of repiping jobs fall between $4,200 and $6,000 on average when installing PEX pipes, the cost to repipe a house can range anywhere from $1,500 to $15,000+ depending on a variety of variables.

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