Hybrid Car – More Fun with Less Gas

About how much electricity does an oil furnace use - Page 3

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Posted by Jim on December 10, 2012, 12:40 am
On Sun, 9 Dec 2012 09:11:17 -0500, "Jim Wilkins"


Thanks for all the suggestions, and at this time I don't know anything
about the place, they are just moving in.  I was mainly thinking about
heat in case of a grid power failure.  They know nothing about
or generators.  I'll try to get more info but they are pretty busy
just trying to move in a snowstorm, they can't even get their truck
up the hill to the house, have to use a sled right now.  They did tell
me that some of the circuits are messed up (wired wrong I guess), and
they will have to get that sorted out.  I'll try to get more details
after the snowstorm blows itself out.

The daughter told me she thinks there is a generator in the garage
under all the junk owners stored there but they can't even get to the
right now.  The fellow that owns the house is out at sea off Hawaii
so they can't reach him at this time either.  They were under the
impression that everything was working and they just had to move in,
but someone had stolen all the oil from the tank and the furnace did
not work, amnong many other unanticipated repairs needed.  They are
having to shovel snow off the roof to keep it from leaking, etc. etc.


Posted by j on December 9, 2012, 3:00 pm
On 12/8/2012 9:01 PM, Jim wrote:

Electricity is usually the most expensive, but electric is great for
spot heating.

This forced air? Then it is the same as it would be if it was gas.

3-5kW sound about right. You need capacity for motor start surges.

Keeping and getting the gas to run this, should be looked in to. Better
would be a diesel that could run off the fuel oil.

My idea of emergency heat in Alaska is a wood stove, and emergency
refrigeration would be outside.

Catalytic propane heaters are cheap, and even the smallest is more  BTUs
than an electric space heater (5K BTU). Kerosene might be an option.


I guess living in Alaska has grown soft.


Posted by Jim Wilkins on December 9, 2012, 3:54 pm
Wood is my main heat source in NH, and there is a big kettle of stew
outside in the car, safe from animals.

Posted by clare on December 9, 2012, 11:02 pm

Not true. Gas does not require a high pressure injection pump, or a
constant spark ignitor. The blower will LIKELY be either 1/6, 1/4, 1/3
or 1/2HP. The pump will be less than 1/6 and the ignitor will be less
than 2 amps -. The difference between gas and oil will likely be
relatively minor - but it WILL be a difference.

Posted by Pete C. on December 9, 2012, 9:32 pm
Jim wrote:

5KW will do. Find and adapt a construction light tower diesel genset and
you can run off the oil tank for the furnace. More importantly though
get some real numbers on what they are spending on electricity since
unless they are heating only a room or two, the oil furnace is likely
much more economical to operate. Too many people just don't do the math
to figure out the daily fuel consumption and it's cost vs. their little
electric heaters that are costing them a fortune.

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