Is your grow room making too much noise? This isn’t just annoying, it can also cause serious problems. With these 6 professional tips, you can make your system quieter – without sacrificing performance!
Why noise in the grow room is dangerous
Before we get to the solutions, let’s first understand the problem:
✔ Neighbors & landlords: A buzzing grow room quickly attracts attention – especially in residential areas.
✔ Security risk: Loud noises can attract unwanted guests.
✔ Your well-being: Constant noise is stressful and impairs your quality of life.
The most common sources of noise
- Fans (exhaust air, supply air, recirculation)
- Pumps (hydro systems, irrigation)
- Vibrations (poorly insulated devices)
- Rattling reflectors & cables

1. How to make your fans quieter
Fans are the biggest noisemakers. But here’s how to get them under control:
Frequency converter or autotransformer?
- Frequency converters regulate the speed continuously – great for quiet operation.
- Autotransformers are cheaper but not as effective.
Install silencer
- DIY solution: Wrap an insulating mat (e.g. from a car accessory store) around the fan.
- Pro tip: Integrate commercial silencers (like Phonic Trap) directly into the ventilation system.
2. Stop vibration noises
Vibrations often transmit to walls or floors. Here’s how to prevent this:
Rubberized suspensions for pumps
- Silicone pads or spring suspensions dampen resonances.
- Extra tip: Also secure your fans with rubber sleeves.
Anti-noise mats under the grow box
- Acoustic mats (from the studio area) are ideal.
- Budget option: Simply cut a yoga mat.
3. Soundproof walls
If the room itself echoes, these tricks will help:
Soundproofing panels vs. acoustic panels
- Insulation boards (e.g. made of melamine resin) absorb high frequencies.
- Acoustic panels look stylish but are more expensive.
Insider tip: Heavy curtains or carpets on the walls reduce echo.
4. Quieter irrigation systems
Pumps don’t have to hum:
✔ Submersible pumps are quieter than external models.
✔ Pressure regulators prevent loud gurgling.
5. Fix cables and reflectors
Something rattles? Just secure it!
- Cable ties keep cables tidy.
- Rubber rings stabilize reflectors.
6. Clever timing: Turn down the volume at night
If possible:
- Set fan to minimum at night (couple with thermostat).
- Let the irrigation run during the day.
Quelle: https://growdiaries.com/journal/how-to-keep-your-cannabis-grow-room-silent