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The Quietiest Wall Hung Condensing Boiler Made Today

ScottMP Member Posts: 5,884
you meant to say the Wilo's are the only thing you can hear , right ?



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  • JohnL
    JohnL Member Posts: 38
    The Quietest Wall Hung Condensing Boiler Made Today

    Can anyone tell me what is the Quietest wall hung boiler they have installed in the 85 to 110 btu range and why/what features the installer liked best.

    I have been tasked with the heating side of a fairly large scale townhouse project in Staten Island.

    Is a condensing boiler really need if only baseboard will be installed?
  • Mike T., Swampeast MO
    Mike T., Swampeast MO Member Posts: 6,928

    Vitodens 200 is the quietest I've heard in all conditions or with either natural gas or LP. At most times a computer is louder. Expensive, but definitely in that btu range. The built-in circulator in the two smaller models (right in that range) is so smooth and quiet that I consider it truly silent. Provided the piping is nicely secure and not subject to resonance, I'd have zero problem putting these in living space--say behind a cabinet door or in a closet.

    Provided that at a minimum you follow accepted sizing practice with your fin baseboard and don't use too much of a boiler for the amount of emitters, there's a surprising amount to gain from a condensing/modulating boiler in nearly any real-world climate.

    With a nice, tight reset curve (or TRVs) not only will you not hear the boiler, but you won't even hear the baseboard ticking unless recovering from deep setback. General "evenness" of the heat will increase as well.

  • boilerpro_4
    boilerpro_4 Member Posts: 12

    You should look at the Alpine by Burnham. Whisper quiet.
  • chris_95
    chris_95 Member Posts: 47

    boilerpro: I have my friend coming over tommorow to plan the installation of my Alpine... how are they, have you installed many? I was going to get the freedom CM, but I like the idea of a SS heat exchanger instead
  • ScottMP
    ScottMP Member Posts: 5,884
    They are ALL quiet

    Come on Mike, what others have you installed besides your own Vitoden ? I think they all are very quiet. If we want to talk reliabilty and performance sure, lets talk.

    But really, how much more quiet do they need to get :)


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  • Darin Cook_8
    Darin Cook_8 Member Posts: 31

    Shhh! Could you keep it down please? I am trying to listen and see if my Buderus GB 142 is running!


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  • Mad Dog_2
    Mad Dog_2 Member Posts: 6,715
    Hee hee...ooh Scott's in a no-bull mood........

    and me thinks you are right! The 007 circs are the only thing the naked ear can hear. Mad Dog
  • hot_rod
    hot_rod Member Posts: 21,858
    thick plastic jacket

    and rubber gasketing seem to really dampen noise for the Weil Ultras.

    Any brand with a tightly sealed outer jacket will be quiet. Metal jackets need sound dampening inside to take the ring out.

    Screw down the lid on the Munchkins and they get very quiet :)

    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • JackR
    JackR Member Posts: 125
    Water Running

    All I can hear on my GB142 Buderus is the water dripping on the floor from the cracked trap. I guess running water is supposed to be soothing.
  • Steve Ebels_3
    Steve Ebels_3 Member Posts: 1,291

    I put the Vito 200, the TT Prestige and the Ultra in one class by themselves, The Knight and Munchie make a bit more noise. But then again that would be like comparing the noise of a large moth to a sparrow flying past your ear. A hummingbird in close proximity makes more noise than the first three listed.
  • Tony_23
    Tony_23 Member Posts: 1,033
    I agree

    No experience with the big V, but I show my customers their new boiler with the cover off and running on high fire. Dozens of people with Ultras and Triangle Tubes have had to look to see it was burning.

    Compare them to a Dunkirk XE series or a Heatmaker, now THAT is perspective :)

  • We install the prestige from Triangle tube, very quiet.
    It is also stainless steel.
    And yes, even if you are using high temp baseboard this boiler comes with an outdoor reset, which means most of the year you will be running below the condensing point and saving alot of money.
  • Supply House Rick
    Supply House Rick Member Posts: 1,404

    I can't hear you over the freight train, errr the EFM oil boiler with domestic coil rumbling in the basement...
  • Mad Dog_2
    Mad Dog_2 Member Posts: 6,715
    Depends on who sends me to Europe this year........

    hee hee. I have used both...I always try to steer my biz toward American-Owned companies when I can, although that is harder and harder to do. Mad Dog

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  • Dobber
    Dobber Member Posts: 91
    GB for me

    Have to go with the GB142. Also very easy to install. Especially with single zone bb. Add ST120 indirect and you'll be set.

    Good Luck
    If you don't have time to do it right, what makes you think you have time to do it over?
  • badgerboilerMN
    badgerboilerMN Member Posts: 11

    Don't forget the WM Ultra. They are all so quiet as to be a non-issue.

  • Yes, Scott, I have only installed one mod-con (my own) but I have heard many other systems including other mod-cons and wall-hungs. None are quieter under all conditions than my Vitodens 200 directly driving a fully TRVd system.
  • ScottMP
    ScottMP Member Posts: 5,884

    Honestly, I think we are splitting hairs. I mean how quiet does it need to be and considering an atmospheric can't be heard upstairs .....

    I have 30 Buderus GB's installed and I can't hear them unless I lean up against it.


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  • Paul Rohrs_4
    Paul Rohrs_4 Member Posts: 466

    While I agree the boiler needs to be quiet, I think the whole system should be quiet. Hello?.....Is this on? Okay. Whew! Thought I had lost all of you for a minute there.

    I haven't heard a Vito, GB, Ultra, or TT Prestige, but more to the point, I have a hard time hearing the Knights we install.


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