Quick Answer
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Common Symptoms
Possible Causes
Step-by-Step Diagnosis
Step 1
Check the lint filter. Ensure it's not just clean, but free of film from dryer sheets by holding it up to a light.
Step 2
Pull the dryer out from the wall. Inspect the transition hose for any kinks, crushes, or disconnections.
Step 3
Go outside and locate the exterior vent hood. Check for blockages and make sure the damper flap can open freely.
Step 4
Run the dryer on a non-heat cycle and feel the airflow at the exterior vent. A weak flow indicates a clog in the line.
Step 5
If the run is short, attempt to clean it with a purpose-built dryer vent brush kit, ensuring you only rotate the brush clockwise.
DIY vs Professional Costs
| Repair Type | DIY Cost | Professional Cost | Time Required |
|---|---|---|---|
Replacing the transition hose | $20-50 | $150-225 | 30-45 mins |
Basic Vent Cleaning (short, accessible run) | $20-50 | $125-200 | 1-2 hours |
Complex Vent Cleaning (long run, attic/roof) | N/A (Not Recommended) | $200-400+ | 2-3 hours |
When to Call a Professional Dryer Vent
- If you smell a distinct burning or electrical odor coming from the dryer or laundry area.
- If your dryer vent exits through the roof or is longer than 15-20 feet with multiple bends.
- If you've tried basic cleaning yourself and the problem (long dry times) persists.
- If you suspect the vent duct is disconnected or crushed inside a wall or ceiling.
- If you see signs of moisture, mold, or water damage on the walls near the vent line.
Prevention Tips
- Clean the lint filter screen before every single load, without exception.
- Replace any flexible vinyl or foil transition hose with a semi-rigid or rigid metal duct.
- Periodically check the exterior vent hood to make sure the flap opens and it's clear of debris.
- Ensure the dryer is not pushed so far back that it crushes the vent hose against the wall.
- Schedule a professional vent cleaning every 1-2 years, especially if you have pets or a large family.
Frequently Asked Questions
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