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Thursday, March 09, 2006

How to quiet a noisy Hot Tub?

Question:

“My next door neighbor has a hot tub that cycles all night long and keeps us awake. The tub is 75-100 feet from our house. Is this normal? Does the pump need to run all night or even once per hour for 5-10 minutes in cold weather? It's really a problem, and he and I are trying to work it out amicably, but I'm tired of sleeping on the living room couch. Any thoughts would be appreciated.”

Answer:

It sounds like the filtration system is running on a 24/7 schedule. This is needed to filter out bacteria which can cause health problems if not kept under control. A recent Texas A&M study discovered a large percentage of hot tubs that had unacceptable levels of bacteria, so it is a really good thing that the hot tub’s filtration system is doing its job.

Many hot tub companies use circulation pumps as the primary filtration method for cleansing their spa water. Unfortunately, most circulation pumps run 24/7.

So, the answer is, yes, this is normal. However, I’m glad that you are willing to work this out amicably with your neighbor, and there are a few things you can check into.

1) Verify that the pump is secured on rubber mounts to minimize vibration and noise. There are mini-shock absorbing mounts available that can be added to any motor that will isolate and dampen the vibration.

2) See if the hot tub’s computer can be set to run on an alternative filtration schedule (2 times a day for 4 hours). Many hot tubs have programmable options. Your neighbor may be able to have a service tech program the hot tub to filter twice a day instead of 24/7 to reduce the amount of time that the hot tub is filtering at night.

3) Circulation pumps come in two types; magnetic drives and direct drives. Magnetic drives are typically noisier and are not as robust as direct drives. Also, the size of the pump will determine how hard it has to work. A larger, direct drive pump will run more quietly, but you will need to check with the manufacturer to see if one can be retro-fitted.

4) It may be possible to put the hot tub on a timer to cut the power for a few hours in the middle of the night so you no longer have to sleep on your couch. This will only work if the hot tub self-starts when power is re-applied each morning, so you need to check this out with the manufacturer. This would also require an electrician, but it may be worth the expense to you.

In any event, your neighbor should call the manufacturer to find out his/her options.

Good luck, and sleep well.

: )

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