Super hot bathroom ceiling heater

sherry3July 9, 2008

We have a very large bathroom with a large, walk-in tiled shower. We installed the Panasonic FV-11VH 110 CFM Whisper Warm Exhaust Fan/Heater combination but it has turned out not to heat the bathroom sufficiently. It has 1400 watts. We don't really use the fan much and were thinking maybe we could get an all heater than would have more heating power and install it in the same location (ceiling mounted). The ceiling in the bathroom is 12-13 feet, with radiant heat and there is a lot of stone in there which may be contributing to the cold.

Does anyone have a product to suggest?

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Well, we have that same unit in our 8' ceiling bath, and I can feel the heat only from one tiny little angle. It heats up the room *somewhat*, but not aggressively like those hotel heaters I was hoping it would be like (ykwim?).

with a ceiling of 12-13 ft., you might want to consider a *floor*-mounted or low-wall mounted heater, because heat rises, and heat will be hard pressed to come halfway down the room ft to make it anywhere near human height. Would you be averse to a wall-mounted heater? There are several that are unobtrusive.

    Bookmark   July 9, 2008 at 7:12PM
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We actually are also looking at a wall heater. We have one of those in a smaller bathroom and it works great. Once the electrician pointed out that 1400 watts is what most hair dryers put out in heat and I looked around our bathroom, the idea of doubling the heat output is pretty appealing. Still, putting more heat into the ceiling would also help.

I am sorry to hear your Panasonic isn't helping you much but glad to hear mine isn't just a lemon!

    Bookmark   July 9, 2008 at 8:14PM
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How does a vent fan heat the air and exhaust air without sucking out the hot air it is supposed to make? It seems like a separate heater would be required.

    Bookmark   July 9, 2008 at 9:32PM
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I'm not sure how it all works but here is the product Panasonic FV-11VH1 with the specs. There are two switches: one for fan and one for heater.

Here is a link that might be useful: Specs for Panasonic FV-11VH1

    Bookmark   July 9, 2008 at 9:40PM
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You just can't use both the heat and exhaust at the same time. Well, you CAN but like you mentioned...the exhuast will suck out the heated air. It's not made to use simultaneously. I have the same unit. It takes the chill off of my 10x11 bathroom and if I close the door can even be considered a little warm but doesn't make it "toasty". I wasn't expecting it to.

    Bookmark   July 10, 2008 at 1:40AM
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I don't try to use them at the same time. I'll even close the bathroom door off to the rest of the house, turn the heater on for up to 30 minutes before I shower in the winter and it's still not very warm in there. Something has to change!

    Bookmark   July 10, 2008 at 8:21AM
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I can't imagine trying to use the WhisperWarm to heat up such a large bathroom! We have one in a 13x6' master (coldest room in the house) and that's the maximum I'd go with it. It works very well for us, but for something sized like yours, with such excessively tall ceilings (where all the heat is going to concentrate first), I would assume you would need a separate heating source.

And I agree maybe the tile is contributing to the cold "feel", but perhaps someone more expert can chime in here. Do you use radiant flooring, or radiant wall panels? It isn't clear in your posting.

    Bookmark   July 10, 2008 at 12:47PM
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It's radiant flooring.

    Bookmark   July 10, 2008 at 12:50PM
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We have a heater in the ceiling near the shower, which works very well when we step out of the shower. We have two regular heating vents in the bathroom that supply enough hot air to keep the bathroom at a good temperature. The heater is only for the extra touch.

    Bookmark   July 10, 2008 at 5:56PM
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I have this same Panasonic heater and am facing the same dilemma. I've found that this heater warms the bathroom only about 1 degree in a half an hour (I have a digital thermometer in there). My bathroom is about 10x12 with a 10' ceiling and gets COLD.

I've been using a Vornado space heater recently and it heats up from 63->71 in about 15 mins or so, but it certainly isn't attractive! I don't want to install a wall heater because the walls are tiled.

I emailed Panasonic and their response was:
"We researched your request and found that the FV11VH1 max CFM is 120. With the configuration you provided about your bathroom, you need at least 200 CFM."

Great! So I guess the answer is a 'super blowing' ceiling heater. Any ideas anyone?

    Bookmark   January 23, 2009 at 6:33PM
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I've heard of towel warmers that also heat the bathroom. I'm going to have the same problem. The whisper warm is installed (bathroom still not finished) and it's kind of a joke.

Maybe it will be a littler better when the french doors are installed. Ha!

    Bookmark   January 23, 2009 at 6:52PM
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Once you realize it is simply putting out the heat of a 1400 watt hair dryer, you understand it is not going to heat your bathroom. We are either going to have to get a wall heater installed or a space heater. With the 13 foot ceiling and a very large bathroom, it just doesn't do the trick. I can actually add additional heat to the room by plugging in my hot curlers!

    Bookmark   January 24, 2009 at 12:05AM
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Again, the WhisperWarm is a wonderful fan/exhaust/heat unit, but to expect it to heat up an extremely large, tall space all by itself is to not understand its limitations. The calculator on the website to determine size of fan needed should always be used; and as has been said here in many a discussion thread, going bigger is always better.

This is one of the issues that people have to consider when going for open floor plans and extra-large rooms - there is not only a design/build cost, there is the added cost of utilities to properly heat and/or cool such space.

It is one of the major reasons that when Victorians were decidedly out of favor, people in cold climates put in false ceilings. Heating up unused ceiling space is expensive and wasteful. Tall ceilings in hot climates, however, made a lot of sense.

Design is not just what you like. Good design should be thoughtful and aimed at the maximum usefulness of each sited room, appropriate to the activities and family needs.

    Bookmark   January 24, 2009 at 2:55PM
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So does anyone know who makes a ceiling heater that puts out the most possible heat? It doesn't have to contain a fan.

    Bookmark   January 24, 2009 at 4:19PM
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I have that exact same model installed in our 10x13 MB w/ 9 ft. ceiling. Combined with the Suntouch flooring and 2 heated Warmrails towel warmers, our MB can attain an added 5 degrees to what our thermostat on that floor is set to. Considering that before the renovation, that same room was always at LEAST 5 degrees and often 10 degrees colder than the thermostat setting, I am thrilled. I do tend to turn on the heater and close the door for 30-60 minutes to warm it up when I can get away with it, like when DH, aka Energy Police is not around. It does make a difference. The floor and towel rack alone add 2-3 degrees to the temp reliably. I am happy, considering what it used to be!

    Bookmark   January 25, 2009 at 9:52AM
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I am in the same situation and was wondering if you found a good floor heater that could be installed in the wall and look not so bad. Thanks, James

    Bookmark   May 24, 2009 at 2:13PM
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Cadet has some unobtrusive wall heaters that look like regular forced air supply grills.

Here is a link that might be useful: Register style heater

    Bookmark   May 24, 2009 at 7:02PM
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you get the Bathroom Master (heat/fan/light combo), which can instantly warm up when you take a shower without pre-heating requirement, from the following distributors:

    Bookmark   August 21, 2009 at 5:21AM
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Based on my experience with the links that John604 referenced, I wouldn't buy from any of them.

    Bookmark   August 21, 2009 at 11:40AM
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