help with fogging windows

rusty12

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Jan 10, 2012
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Any suggestions on how to prevent windows fogging up in the morning?
 

rusty12

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Jan 10, 2012
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Fog

I ave a heater but it blows into the cabin. I think I am going to have to make a vent by the windows
 

Boat Doc

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Jun 2, 2012
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Location
Portsmouth, NH
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35' Bruno Stillman
We use a the 12V electric portable heaters in our outboard workboats this time of year as we don't have bus heaters off the engine...they don't last forever but it is a simple fix.
 

Dfrenzy

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Aug 27, 2012
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I installed defrosters in my boat just this past spring just for this reason. It is a heater core connected to my closed cooling just like a heater core in a car. I purchased the heater core in its own box with a three speed blower. It then has two blower hose tubes going up to two vents installed in the dash under the front windows. It works like a charm. If you need pictures i can get them for you as well as a website that sells all of the products to do such a thing.
 

Dfrenzy

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Aug 27, 2012
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Maradyne Marine MD145 this is the website that sells the heater and all the vents you should need. I will take a few pics of how I did mine when I am at the boat. I used a different type of vent than they have on the web site. But I also did a lot more work to use what I did. I created a fiberglass channel that is under my dash or rather in my cabin. It is moreless a gutter going under my windshield from one side to the other. It was a pain doing overhead glass work but well worth it in the end. Now I have three vents one under each window on my windshield each measuring about 18 inches I believe.
 

Boat Doc

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Jun 2, 2012
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Location
Portsmouth, NH
Boat Make
35' Bruno Stillman
On our inboard workboats we use a heater that we've purchased from Hamilton Marine that has a blower with multiple outlets for heat, defrost, etc. and they offer a few different outlets for heat and defrost that allow you to aim the air flow...it is similar to the bus heaters most of us have, but with more options for venting the heat to specific locations: Heater 28 000 Btu 12V Basic Kit with 2 Outlets

Search their site under "heaters" and you'll see a few choices...

They also have the 12V heaters discussed earlier...
 


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