Dehumidifiers in the Shop
#35
  Re: RE: Dehumidifiers in the Shop by jteneyck ([quote='Arlin Eastma...)
(03-11-2019, 04:32 PM)jteneyck Wrote: Like all dehumidifiers that unit is not designed to vent the air outside.  That's why I asked.  If the building is well sealed very little air will be exhausted, which would be better than if it's poorly sealed.  If it's poorly sealed then for every cubic foot of air you exhaust outside air leaks in to replace it.  You would be running the unit with no benefit.  Dehumidifiers work by removing water AND returning drier air to the room.  A consequence of that is an increase in temperature.  


John

I do not know about all of them but the ones I have seen have a fan under the top to blow the hot air out.  This pushes the heat thru the hose and out the window.  All of them are made to vent out into the area where they are placed.  All I did was redirect where the air flow was going.
I had a smaller 30qt one that did the same thing and it broke and I replaced it with the one I linked to.
It is always the right time, to do the right thing.

Hi, I'm Arlin's proud wife! His brain trma & meds-give memory probs and has pain from injuries, but all is well materially & financially.  
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#36
  Re: RE: Dehumidifiers in the Shop by Arlin Eastman ([quote='jteneyck' pi...)
(03-12-2019, 12:50 PM)Arlin Eastman Wrote: I do not know about all of them but the ones I have seen have a fan under the top to blow the hot air out.  This pushes the heat thru the hose and out the window.  All of them are made to vent out into the area where they are placed.  All I did was redirect where the air flow was going.
I had a smaller 30qt one that did the same thing and it broke and I replaced it with the one I linked to.

Yes, exactly.  They are made to vent the hot air back into the room.  That's how they work.  If you duct that air outside you will get zero benefit and a big electric bill.  Just duct the water outside. 


John
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#37
  Re: RE: Dehumidifiers in the Shop by jteneyck ([quote='Arlin Eastma...)
(03-12-2019, 03:23 PM)jteneyck Wrote: Yes, exactly.  They are made to vent the hot air back into the room.  That's how they work.  If you duct that air outside you will get zero benefit and a big electric bill.  Just duct the water outside. 


John

???

I do not use it in the winter since the humidity is lower then the summer.  That is why I vent it outside and when winter comes I close the vent off for the winter.  In summer it gets 100+ and do not want the hot air inside.  I have a portable osculating remote 1500w heater inside to keep it warm
It is always the right time, to do the right thing.

Hi, I'm Arlin's proud wife! His brain trma & meds-give memory probs and has pain from injuries, but all is well materially & financially.  
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#38
  Re: RE: Dehumidifiers in the Shop by Arlin Eastman ([quote='jteneyck' pi...)
(03-14-2019, 07:47 PM)Arlin Eastman Wrote: ???

I do not use it in the winter since the humidity is lower then the summer.  That is why I vent it outside and when winter comes I close the vent off for the winter.  In summer it gets 100+ and do not want the hot air inside.  I have a portable osculating remote 1500w heater inside to keep it warm

When it's humid in the Summer, if you vent the air from a dehumidifier outside it will not lower the RH inside.    

There's nothing more to say.  

John
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