Question about Holmes Products BH3955-U Bionaire Utility Heater

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Holmes bh3955 or holmes hh3690

I am trying to heat a 20ft by 16 ft room and am trying to figure out which heater would be more efficient.....any info would be appreciated, thanks

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Depending where you live, here in Vermont we take square footage and multiply by 30 for a rule-of-thumb calculation. This gives us a very conservitive Btu rating. New York City use 20 Btu per square foot and Washington D.C. use 15.

Posted on Dec 07, 2007

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Figure out your square foot requirements - multiply 16 X 20 to get 320 sq ft. Find a heat formula to consider windows and doors and known insulation in the walls. this will give you BTu output required to raise the inside air from 68 degrees (norm) to 72 degrees.

Posted on Dec 07, 2007


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10ft x 20ft how many cubic ft fit inside

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The blower is/was a $69.00 optional add on feature for that heater. To be quite honest, a blower does little on an Infrared Heater. Infrared, unlike Blue Flame Convection Heaters, doesn't waste energy heating the air. It heats objects (floor, walls, furniture, etc). From that the room air heats up. Simply put, it heats a room like the sun heats the earth. It's really more efficient than a gas convection heater. Rated 99.9% efficient at 15,000 Btu's, it will heat a good sized room easily.

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They are in no way efficient at all!!
Sure they are 100% efficient using the electric provided to them, but hwat is the cost of that electric compared to say gas or fuel oil?
The onlt way they can save you any money is if you live in one small room, heat that and not the rest of the house.
And no it is not more efficient to run it constantly...
If your not using the room you are heating with it turn it off.
Sorry if I seem to be ranting, but as a heating contractor I have seen these sold as "energy savers" many times and it is just a sales pitch and nothing more.
Absolutely NO truth to it whatsoever and they know it.

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Thanks for using Fixya!!


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I have a solution. Let me buy it!! So you can replace it with something that works. I am looking for used
Holmes Heater ModelHFH5506 only and will pay top dollars.

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