A typical vacuum cleaner operates at a noise level of 70 to 80 decibels, comparable to heavy traffic or a busy restaurant.
Vacuum cleaners are essential for keeping homes clean, but their noise levels can be disruptive. Understanding how loud vacuums are helps you choose the right model and protect your hearing.
How Loud Are Vacuum Cleaners in Decibels?
Most vacuum cleaners produce noise between 70-80 decibels (dB). This is comparable to:
- Busy traffic (70-85 dB)
- Alarm clock (80 dB)
- Blender (88 dB)
According to Purdue University’s noise level chart, vacuum cleaner noise falls in the same range as living room music and television audio. While not dangerously loud, this level can be annoying during prolonged use.
Noise Levels by Vacuum Type
| Vacuum Type | Noise Level (dB) |
|---|---|
| Robot vacuums | 60-65 |
| Canister vacuums | 68-75 |
| Upright vacuums | 72-80 |
| Shop vacuums | 80-90 |
Why Robot Vacuums Are Quieter
Robot vacuums like the DEEBOT series operate at lower decibel levels because:
- Smaller motors with optimized airflow
- No upright housing to amplify sound
- Advanced noise reduction technology
What Makes Vacuums Loud?
Several factors contribute to vacuum cleaner noise:
1. Motor Type and Power
AC motors tend to be louder than DC motors. High suction power often correlates with higher noise levels as the motor works harder to move air.
2. Airflow Design
As air moves through the vacuum at high speeds (up to 100 mph in some models), it creates turbulence and vibration. Poorly designed airflow paths amplify this noise.
3. Mechanical Components
Brush rolls, belts, and moving parts create friction noise. As these components wear, they often become louder.
When Should You Worry About Vacuum Noise?
Normal vacuum operation includes steady motor noise. These sounds indicate potential problems:
- Whistling: Blockage in hose or filters
- Grinding: Damaged bearings or motor issues
- Rattling: Loose parts or debris in brush roll
Regular maintenance like cleaning vacuum filters and maintaining brush rollers can prevent excessive noise.
How to Reduce Vacuum Cleaner Noise
1. Choose a Quieter Model
Look for vacuums specifically designed for low noise operation. Many manufacturers now list decibel ratings in product specifications.
2. Maintain Your Vacuum
Clean filters and empty dust containers regularly. Clogs force the motor to work harder, increasing noise.
3. Use Proper Technique
Adjust height settings for different floor types. Running a vacuum set too low creates unnecessary friction and noise.
4. Consider Noise-Reducing Accessories
Some aftermarket mufflers and insulation kits can dampen sound by 3-5 dB without affecting performance.
Hearing Safety Considerations
While vacuum noise typically isn’t dangerous, prolonged exposure can contribute to hearing fatigue. The National Institute for Occupational Safety and Health recommends:
- Wearing ear protection during extended cleaning sessions
- Taking breaks every 30 minutes
- Choosing quieter models if you vacuum frequently
For those with noise sensitivity or young children, robot vacuums offer a good compromise between cleaning power and quiet operation.