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Old 09-17-2013, 01:12 PM   #1
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Heating a heritage east 40 cheeply

Hi all I'm sure the question has been asked already but I can't find the answer. I have a heritage east 40 and I'm connected to shore power but if I use my electric oil filed radiator it seems to use a lot of electric 60 kw in 5 days and in ghat time I have only had the heating on for a few hours at a time to take the chill off
Without the heating on I have used 30 kw in 2 months

Is there a cheep way of heating a boat that won't use quite so much electric any help will be good
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Old 09-17-2013, 01:30 PM   #2
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Best way is to move it South.
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Old 09-17-2013, 02:13 PM   #3
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All electric resistance heat is essentially 100% efficient; that is, every watt of power you consume goes to heat the space around the heater. Oil-filled, radiant, quartz, Amish wooden fireplace, doesn't matter. And since most household outlets are limited to 15 Amps, they typically all consume 1,500 Watts on "high".

But you didn't ask about efficiency, you asked for a cheap way. Electricity in most places is not very cheap.

An electric heat pump, like a typical marine reverse-cycle air conditioner, is more than 100% efficient. Instead of turning the electricity directly into heat, it uses the electricity to "pump" the heat from seawater.

Cheaper still (to run) is a direct diesel heater. That's basically a miniature home oil-fired furnace (diesel and heating oil are just about the same thing.)

So what's cheaper? You can buy a 1,500 Watt electric heater for $20 at Wal Mart. You can spend thousands on a reverse-cycle AC unit, but you also get the AC. You can spend almost as much on a diesel furnace and get the most heat for the least fuel. You have to decide what works for you, your boat and your climate.
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Old 09-17-2013, 04:26 PM   #4
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moonraker, I take it that you have to pay separately for power in the uk?? It is included in our marina fees so we don't hesitate putting the electric heater on. If we were being charged I might look at alternatives, diesel, propane are likely the cheapest alternatives.
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Old 09-17-2013, 05:50 PM   #5
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moonraker, I take it that you have to pay separately for power in the uk?? It is included in our marina fees so we don't hesitate putting the electric heater on. If we were being charged I might look at alternatives, diesel, propane are likely the cheapest alternatives.

Perhaps not a UK vs. Canada (or US, or elsewhere) thing. Electricity around here is often included in the slip fees, but not always. And of course slipholders are indeed being charged for it, but it's being assessed at an average rate -- probably in such a way that the marina owners aren't losing money on the deal.

Our own electricity at the slip is separately metered.

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Old 09-17-2013, 09:56 PM   #6
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Insulated curtains on the windows, canvas on the exterior of the windows....electric blanket on the bed. We also find that our oil lamps put off a nice bit of heat.

Keep the warm air from escaping as much as possible, but keeping fresh air circulating.

Oh, and big fuzzy slippers.
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Old 09-18-2013, 06:46 AM   #7
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If you wish you stay with electric only the modern mini split systems offer 400% to 500% more heat per KW.

These are common all over Euro land and work in substantial cold Norway .

Mitsubishi Comfort - Ductless Comfort Solutions‎

www.mitsubishicomfort.com/‎

At least for the price you also get an efficient air cond that wont get you out of the sack clearing jelly fish from its water cooling system.

Any other cheap heat will burn common house oil or diesel, require a substantial install bill , a high first cost , and of course annual maint.

Dickinson makes an oil fired range that requires zero electric , but it heats only the cabin space its located in.

WE cruise in the shoulder seasons so use the Dickinson as we anchor out in every place we can.
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Old 09-18-2013, 07:17 AM   #8
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The cheapest would be a solid fuel burning fireplace...usually the fire box isn't all that expensive (and probably certified for marine use if that's an issue...space heaters usually aren't)...and fuel often can be free.

If you don't have access to free fuel then what is the cheapest fuel around?
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Old 09-18-2013, 08:08 AM   #9
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I use a portable Infrared Quartz heater. You can set the temperature of the room and it's extremely quiet, no noisy fan turning on and off. There are 3 settings (we use the medium room setting) to allow you to be efficient with your power consumption. You asked for cheap and it will blend in nicely with teak interiors We have ours right under our captains seat.

Duraflame Williams 1500-Watt Infrared Quartz Electric Portable Heater - Oak-10HM4126-O107 at The Home Depot
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Old 09-18-2013, 08:10 AM   #10
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You might also consider one of these:

Wallas Diesel Stove Heater

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Old 09-18-2013, 10:55 AM   #11
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You could set the boat on fire. That would be the cheapest way. ;-)
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Old 09-18-2013, 11:39 AM   #12
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You might also consider one of these:
Wallas Diesel Stove Heater
I LIKE it! A stove that doubles as a cabin heater, all run by diesel. Now I have something else to add to my wish list.
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Old 09-18-2013, 01:20 PM   #13
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You might also consider one of these:

Wallas Diesel Stove Heater

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I LIKE it! A stove that doubles as a cabin heater, all run by diesel. Now I have something else to add to my wish list.
Going to look at a boat that has one next month down in Mexico. Will try to remember to post a review when I get back.

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Old 09-18-2013, 03:10 PM   #14
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A single electric heater is about 5000BTU the Dickinson is about 16,000.

Dickinson Marine - Quality Marine Heaters and Stoves Since 1932

www.dickinsonmarine.com/‎
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Old 09-18-2013, 10:55 PM   #15
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Best way is to move it South.
Excellent advice, a plan I intend to try next year.
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Old 09-19-2013, 05:49 AM   #16
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Excellent advice, a plan I intend to try next year.

Remember even if you head south in Sept you may need heat .

Leave in Oct or Nov and you will be sure to enjoy a complete heating system.
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Old 09-19-2013, 10:01 AM   #17
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Excellent advice, a plan I intend to try next year.

Remember even if you head south in Sept you may need heat .

Leave in Oct or Nov and you will be sure to enjoy a complete heating system.
I want to go south to Alabama or Mississippi, far enough to get out of the midwest winters but not into salt water & I may change my mind about that. I've even thought Memphis might be far enough south to suit me.
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Old 09-19-2013, 11:08 AM   #18
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I want to go south to Alabama or Mississippi, far enough to get out of the midwest winters but not into salt water & I may change my mind about that. I've even thought Memphis might be far enough south to suit me.
Ron, Pickwidk Lake on the Tennessee may be just the ticket for you. Great area, good water, near the Mississippi border. Memphis?? Naw!!! Not when you can get to a great place like Pickwick. Plenty of places to cruise and anchor too.
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Old 09-19-2013, 12:47 PM   #19
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Thankyou all yes I have to pay for electric in the uk it's not included in the price. With a oil radiator at the moment I will use 50kw every 4 days which in the uk works out to be around 7 pounds. I do have the air condition unit fitted to boat but it's been disconnected and as of yet I can't find where is been disconnected. I will need to get a transformer for it as we are 240v and the unit is 120v but that's not a problem just need to find where they have disconnected it.
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Old 09-20-2013, 05:57 AM   #20
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I do have the air condition unit fitted to boat but it's been disconnected and as of yet I can't find where is been disconnected. I will need to get a transformer for it as we are 240v and the unit is 120v but that's not a problem just need to find where they have disconnected it.


Not all air cond are reverse cycle , and suitable for heating. The older units are not much more efficient at heat than a resistance electric wire.

The mini split system is 50 years of engineering advanced from most boat setups like Crusaire.

If you need to purchase a 240V unit would allow one compressor and 3 or 4 internal delivery units.
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