Venting a dryer through the roof is certainly possible and depending on your roof structure it can be the best option for a number of reasons.
However it’s important to consider all of the potential implications before making the decision to go this route.
Pros of Venting a Dryer Through the Roof
The greatest advantage of venting a dryer through the roof is that it can be the most efficient way to get rid of the hot air produced by the dryer.
This is especially true for homes with low ceilings where a dryer venting system through the wall may be obstructed by furniture or other items.
By venting the dryer through the roof the hot air is expelled away from the living area where it can be safely and quickly dispersed.
This can help reduce the risk of a fire as the heat is removed from the living area.
Additionally it can help reduce the amount of lint buildup in the dryer making it easier and quicker to clean the lint trap.
Cons of Venting a Dryer Through the Roof
One of the downsides of venting a dryer through the roof is the potential for water damage.
If your roof is not properly sealed the moisture from the hot air can seep into the attic and cause mold and mildew to form.
It’s important to make sure your roof is properly sealed before venting a dryer through the roof or you could end up with a costly repair bill.
Another potential issue is the noise from the dryer motor and the hot air being expelled.
This can be an issue for people who live in multi-family dwellings as the noise can be heard by neighbors and disrupt their day.
Additionally the hot air being expelled can cause melting of snow and ice on the roof and potentially damage the structure.
Potential Problems with Venting Through the Roof
Venting your dryer through the roof also has some potential drawbacks.
Depending on the type of roofing material you have and the climate you live in there is a chance that condensation could form on the outside of the vent pipe and cause damage to your roof.
This could lead to costly repairs in the future.
Another potential issue is that the exhaust from the dryer could warp or otherwise damage the roofing material itself.
This could be particularly problematic if your roof is made of a material such as asphalt shingles.
Is There an Alternative?
It’s usually better to vent your dryer through the side of your home rather than the roof.
This has the potential to be much less hazardous and could also help you avoid some of the potential problems mentioned above.
It’s also important to make sure that you follow all of the instructions provided with your dryer and venting system.
This will help to ensure that you are venting your dryer in the safest and most efficient way possible.
Final Thoughts
Venting a dryer through the roof can be a great option in some cases but it’s important to consider all of the potential implications before making the decision to go this route.
Make sure to properly seal your roof before venting the dryer and consider installing a vent hood to reduce noise levels and protect the roof from melting snow and ice.
With proper installation and maintenance venting a dryer through the roof can be a great option for many homes.