Hi… looking for info on baseboard heat as I am unfamiliar with it. I rent a parlor floor in a brownstone and it is chilly there. The house has baseboard hot water heat and occasionally, often in the middle of the night, I can hear water running, quite loud actually, as if i am sleeping in a bathroom, but the units seldom feel warm, and never hot. My question is, is this loud water noise normal, it is like somebody is stirring water in a tub, and is there a way to regulate individual floors? I would like to understand a little more before i approach my landlord.


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  1. It may be bleeding, but we’ve encountered velocity noise when the water is actually moving too quickly through the baseboard. A circulator was installed that was too large for the system. This would also cause the baseboard to not get fully hot because the water is moving too quickly through the elements. There are ways to regulate a hot water system, but depends on how it was installed.

  2. Tell your landlord the following: “The baseboard heaters are very loud, and the apt is never that warm. It sounds like there is a lot of air trapped inside the hot water pipes that need to be bled out. Do you have the number of your *plumber* handy, I’ll call him myself”

    Sounding like you know what your talking about is key to getting your landlord to do anything about your problem. Asking for the number of his plumber really helps give you leverage, bc he most likely doesn’t have one. PS. a decent handyman can install bleeders if they aren’t there.

  3. the location of the bleeding valves depends on the layout of the system, the zoning of the system, and how crappy a job the installer did (slantfin baseboard means absolutely cheapest installation).. you might not be able to bleed the air out and may have to purge the system in the basement if the installer set it up right…needless to say, you are a renter, complain to the landlord and let him get a decent heating technician to straighten it out

  4. Sounds like alot of air. Have a heating contractor install a Spirovent on the system and all your airbound pipes will be happy.

  5. Does this only happen when the heat is on? If so, it needs to be bled.