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Fish house heater


Snowbound

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Is a direct vent heater a must?

I've heard a ventless will create moisture problems inside the house with ice build up around the service door

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Propane heaters do produce a lot of moisture in an ice house due to open water/ice inside the house. If the heater is ventless, the moisture accumulates inside on windows, doors, vents or walls if not well insulated because the open flame is inside the space converting oxygen to Carbon Monoxide. When you turn the heat off in temps below freezing windows, doors and zippers will freeze shut. Direct vent uses outside air to provide oxygen for the flame. The moisture will form outside, as Ice cycles, on the exhaust.

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8 hours ago, papadarv said:

Propane heaters do produce a lot of moisture in an ice house due to open water/ice inside the house. If the heater is ventless, the moisture accumulates inside on windows, doors, vents or walls if not well insulated because the open flame is inside the space converting oxygen to Carbon Monoxide. When you turn the heat off in temps below freezing windows, doors and zippers will freeze shut. Direct vent uses outside air to provide oxygen for the flame. The moisture will form outside, as Ice cycles, on the exhaust.

This is  what I want to prevent.
I fished in a couple buddies houses that had ventless heaters and the doors were all bent from kicking them open after they froze shut.

So direct vent is the way to go?

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I'm looking at an Empire DV210 direct vent heater.

This is a 10,000 btu unit

Fish house is aluminum built 6 x 10 with 1" walls and roof (R5) and 2" floor (R10)

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I just got a 8x16 house and they put in a DV215 (15K BTU) but they put in a 18K orifice.   Haven't used my yet but I'm guessing you won't have instant heat.  Maybe you can also get a little bigger orifice as well.   Not sure what the cost difference is (or physical size) - but you may want to check into it.

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Kudu63 is correct it will take 30 to 45 min at 10k btu to get it somewhat warm at -10 or colder. It will maintain heat once warm. You could use a dual Mr. Heater for the first 5 min to warm it up which will not produce noticeable moisture running a short time.

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  • Your Responses - Share & Have Fun :)

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