Baxi vs. Viessmann

ALH_4

Nothing really compares with the Vitodens at this time. Price is where the others primarily compete with the Vitodens. Having not worked with a Baxi, I cannot comment to their reliability. However it does look as if they are using the same Giananni(sp?) HX as the Munchkin, Trinity, Knight, and others. I can comment to the Vitodens' reliability, and it has been excellent. As long as you have a clean, reliable power and fuel supply, the Vitodens will give you years of reliable service.

You would be wise to keep your Mega Stor tank. It has a lifetime warranty, and depending on its size will likely deliver more hot water than a combi unit.

In my opinion, if you are looking for the best combination possible, buy a Vitodens and stick with your current Mega Stor tank.

-Andrew

Steve Goldstein

Baxi vs. Viessmann, and combi or not

Hello,

How do the Baxi Luna HT condensing boilers compare against the equivalent Viessmann boilers, in terms of efficiency, reliability, serviceability, lifespan, and cost?

Also, my Baxi contractor is pushing for me to go with the combi version of the Luna HT, even though I have a nice MegaStor unit installed on my current system for DHW. I've heard some bad things about combi units in the past (low hot water pressure, unable to keep up with multiple demands for hot water, etc.). What do you suggest?

Rodney Summers

The HT

condensing model is new, so you're not gonna find many people with comments on it's track record. Save some money and get the straight boiler model instead of the combo. You have a megastor that will always give you more hot water then any combo unit.

Paul Pollets

Vitodens

The Vitodens has greater reliability and will outperform the Baxi. Yes, it costs more.

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S Ebels

No doubt about it

The Viessmann Vitodens beats any other condensing boiler that I have seen in all categories except price. It is without peer.

Unknown

Use the megastor with either boiler.

Which boiler is best for you depends on what kind of loads you are servicing. No reason to drop big bucks on a really high end viessmann to service a 25kBTU/hr design load, for example. The Baxi is definitely more affordable and seems to be a good unit, and is still quite efficient on a low temp system.

Now if you've got yourself a good sized load, investing in a better heat source may make some sense.

Steve Goldstein

load size

Hi Rob,

Thanks for the reply. I guess load size is relative. I live in a 146-year-old, 3200 sq. ft. farmhouse, located in Western NY where the design temp is 0 degrees F.

Last year we consumed 1829 therms. I plan to improve the house's thermal envelope, but at least this gives you a good idea of what my situation is today. Do you consider this "a good size load"?

Thanks again,
Steve Goldstein
www.SteveWeb.net

Somethiing Else

Baxi vs Viessmann

Can someone actually compare the Baxi to a Viessmann?

I just browsed the literature for the Baxi Luna and I did not see any refernce to a "H" stamp or ASME! In North America can we really call this a boiler?

The literature that I saw was not even printed in North America, it was evident.

Does Baxi have facilities in North America that are comparable? I am not sure..

I have been to the Viessmann facility and I would be surprised if Baxi has Invested as much or has the staff that Viessmann has.

From what I can see it is like comparing your kitchen sink to a washing machine. You can use both to clean your clothes.

Just my thoughts

Unknown

heh.. yeah, that's probably a pretty good load there. Definitely focus on the envelope, but if the budget can handle it, a Viessmann would probably be a good choice there.

Unknown

You can hit mid nineties efficiency with it. It is modulating and condensing. "Boiler" or not, it works. Whether it works as well long term as a Viessmann or not remains to be seen (and of course, I doubt it). But they do work. And you could probably buy two for the price of a Viessmann.

'course, you might have to... who knows? They aren't that old or established so it's hard to say.

Not sure why they might call this boiler elsewhere but not in "north america". You do know where the profit on Viessmann boilers goes, right? It's not New Jersey, my friend.

ALH_4

Efficiency

If I remember correctly, the Luna is a heater and the Luna HT is a boiler.

As far as I know there are no condensing heat exchangers made in North America. So, in a sense, when we buy American, we buy "standard" efficiency.

Almost everything we (RE) carry is European. It is not that we choose European components. It is that we choose the best we can find, and it seems to always end up being European made. There is nothing wrong with buying products from Europe, but I would love to see more engineering and innovation in the American heating industry.

-Andrew

Bob Forand

Something else ?

Something else, Baxi is "H" stamped, as well as energy star rated. The boiler is imported from Italy, through Marathon Industries in Canada. I have been to the factory in Italy and I was impressed with their whole operation. If you send me your address via e-mail I would be glad to send you a copy of a DVD that shows their product and their facilities in Italy. The Baxi company has been at the forefront of new energy conserving products for years. There are so many energy efficient products that Baxi sells overseas that we may never see. I have not been to Viessmann in Germany, however I have been to Viessmann in RI, and was impressed by their facility as well. I would definately agree that there is no other boiler in the world like the Vitodens, however the Baxi isn't just some other washing machine.

Mark Hunt

Andrew


I had a MEGA post going before I realized that all I had to say was......

You are 100% correct.

Excellent post!

Mark H

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Bob Forand

Luna

Andrew, both the Luna and the Luna HT are "H" stamped and are BOTH classified as boilers..

Bob Sweet

Baxi!!

I'm definately impressed with the Baxi product line, does it compare to the "V" couldn't tell you, haven't had the pleasure of installing one. However I do have a handful of Baxi's in and can say, I'm a believer. On all the condenser's (HT's) we have an indirect coupled with them, and they work well. SS HX, low water cut off , primary pump, exp. tank, (2) air vents, ODR , NO NC relay set up for system pump all comes built in the boiler. Concentric venting, no need for indirect dedicated pump, the built in primary pump runs the indirect. I think these guy's have done their homework.

ALH_4

\"H\"

I stand corrected. Thank you.

-Andrew

Somethiing Else

H stamp

If the Baxi Luna has a H stamp, than I stand corrected.

I searched for literature for this boiler and found literature for 2 models: Luna 3.10 and Luna 1.310 Fi. Neither one made refernce to ASME or H stamp.