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Old 11-29-2013, 04:12 PM   #19
psneeld's Avatar
City: Avalon, NJ
Country: USA
Vessel Name: Freedom
Vessel Model: Albin 40
Join Date: Oct 2011
Posts: 18,534
Originally Posted by BobH View Post
That's cooling BTUs. According to their specs the 18000 BTU unit provides 2KW of heating. According to my calculations that's less than 7000 BTUs of heating. Your boat must be really well insulated. That's about what the Mermaid we had put out and it barely took the chill off.

Agree... the conversionr is around 5000 btus at around 1500 watts
so a 30 amp cord maxes out with 2 electric heaters and around 10,000 btus....3 space heaters barely keeps my trawler warm in 40 degree temps.
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