Extra venting can help a bit with heat and sometimes with noise, but honestly, most of these booster pumps just have a low hum no matter what you do. Rubber feet are good, but if it’s still loud, check if the pump’s touching any framing or pipes—sometimes that vibration carries through. I’ve seen folks try soundproof boxes, but then you risk overheating... kind of a trade-off.
I’ve seen folks try soundproof boxes, but then you risk overheating... kind of a trade-off.
Yeah, that’s the tricky part. I’ve actually seen a pump burn out after someone boxed it in too tight—just got way too hot. If the hum is still bugging you after rubber feet and making sure it’s not touching framing, sometimes just moving it a few inches off a wall helps. Not always possible, but worth a shot. Some folks swear by those anti-vibration pads too, though I’ve had mixed results.
Has anyone tried building a partial enclosure instead of a full box? I’ve wondered if leaving the top open or adding some vent holes would help with the overheating but still cut down the noise a bit. I get nervous about boxing anything electrical in too tight, especially after hearing about pumps burning out.
I did try those anti-vibration pads under my pump last year—honestly, they helped a little, but the hum still traveled through the floor joists. Ended up sliding the pump a foot away from the wall and that actually made more difference than the pads did. Kind of surprised me, since I figured the pads would do more.
Curious if anyone’s tried mounting the pump on a wall bracket or suspending it somehow? I’ve seen some setups online where folks hang the pump from straps or even bungee cords to isolate the vibration, but I’m not sure how safe or practical that is long-term. Seems like it could help, but maybe it’s overkill for a home setup.
Also, has anyone noticed if certain brands or models are just quieter out of the box? I’ve only ever used one, so I don’t have much to compare it to. Wondering if it’s worth upgrading or if all booster pumps are just kind of noisy by nature.
I tried the “half box” approach with my old pump—just slapped together some plywood panels and left the top open for airflow. It definitely kept things cooler, but honestly, the noise just bounced out the top and didn’t help as much as I’d hoped. The pump still sounded like a jet engine taking off during morning showers. As for hanging it with bungees, I considered it, but I could just see myself explaining to my insurance why there’s a water pump swinging from the rafters after it snapped loose… Ended up just moving mine onto a thick rubber mat and calling it good enough. Some of the newer Grundfos models are supposed to be quieter, but I haven’t taken the plunge yet—my wallet’s still recovering from the last “upgrade.”
- I tried the plywood box trick too, but I ran into the same thing—noise just found its way out. Even tried lining the inside with some leftover carpet padding, but it didn’t do much except collect dust.
- The bungee idea made me laugh. I pictured it swinging around like a wrecking ball every time the pump kicked on. No way my home insurance would cover that mess.
- Thick rubber mat under mine helped a bit, but the vibration still rattles through the floor. Not perfect, but better than nothing.
- Looked at the Grundfos models last month. The price tag had me backing away slowly. I keep telling myself I’ll upgrade when this one finally dies, but it’s stubbornly hanging on.
- Anyone tried those soundproof enclosures they sell online? Wondering if they’re worth it or just overpriced plywood with fancy marketing.
- Also, curious if anyone’s had luck with relocating the pump further from living spaces. I’ve got mine in a utility closet, but it still sounds like a freight train in the morning. Thinking about moving it to the garage, but not sure if that’ll mess with water pressure or cause other issues.
