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The Villager’s Dryer Vent Calculator

There are many things that can affect how often you should clean your dryer vent, including the type of laundry you are drying, how long your duct run is, how many bends are in your duct run, the type, age, and condition of your dryer, and even the weather outside.  This is why you should look at this calculator as a general rule of thumb and not an exact measurement.  If your dryer is taking more time then normal, or the dryer is getting hotter then normal, call a professional immediately.

Regardless how infrequently you may use your dryer, you should have your dryer vent inspected by a professional no less then every 4 years.  This is why we set the parameters of this calculator to not extend recommended times beyond 4 years.

Dryer Vent Calculator (beta)

Dryer Vent Calculator

Warning Signs That Your Dryer Vent Needs Cleaning

To ensure your dryer continues to operate safely and efficiently, recognize these warning signs that may indicate a clogged vent in need of professional cleaning:

    1. Longer Drying Times: If your clothes take longer than usual to dry, it could be a sign that your dryer vents are obstructed and restricting airflow.
    2. Overheating: If your dryer feels hot to touch after use, or if clothes are excessively hot after drying, this may suggest your dryer vents need cleaning.
    3. Burning Smell: A burning smell during dryer operation indicates a potential fire hazard. Lint buildup in the vent could be igniting, so address the issue immediately.
    4. Vent Hood Doesn’t Open: If the dryer duct hood flap doesn’t open, you likely have lint buildup there and in the dryer hose. Clean out the lint or have a professional do it for you.

Disclaimer for Dryer Vent Cleaning Frequency Calculator

Lake-Sumter Dryer Vent Cleaning (“we” or “us”) provides this dryer vent cleaning frequency calculator (“Calculator”) for informational purposes only. It is not intended to be a substitute for professional advice or inspection.

Disclaimer of Warranties:

The Calculator is provided “as is” and without warranties of any kind, express or implied. We disclaim all warranties, including, but not limited to, implied warranties of merchantability, fitness for a particular purpose, and non-infringement.

Limitations of Liability:

We are not liable for any damages arising from the use of the Calculator, including, but not limited to, direct, indirect, incidental, consequential, or punitive damages. This includes damages for lost profits, business interruption, or personal injury.

Accuracy of Information:

The Calculator utilizes various factors, including:

Average number of laundry loads per year (340), as provided by the National Fire Protection Association.

User-entered data, such as frequency of laundry loads.

We strive to ensure the accuracy of the information used in the Calculator, but we cannot guarantee its absolute accuracy or completeness. Other variables, such as:

Dryer type and efficiency

Laundry habits

Vent length and configuration

can significantly impact the recommended cleaning frequency.


Do not rely solely on the Calculator’s output.

If you suspect any issues with your dryer vent, such as:

Increased drying times

Excessive appliance heat

Laundry room getting hot during laundry

Contact a qualified dryer vent cleaning professional, such as Lake-Sumter Dryer Vent Cleaning, for an inspection.

By using the Calculator, you acknowledge and agree to the terms of this disclaimer.