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Frugal and Energy Efficient Living

mackdaddy

(1,708 posts)

12. Electricity for this graph is resistive only. Heatpumps are about $15/MMBTU

Reply to lumberjack_jeff (Original post)

Sun Mar 8, 2015, 05:24 PM

Mar 2015

The graph above only shows electricity running resistive heat like baseboards. Heatpumps are many times more efficient according to the outside air temp, and ground source geothermal are even more efficient.

According to the full spreadsheet from the link, the air source heatpump would be about $15/MMBTU and a geothermal heatpump would be about $10/MMBTU.

This would put it on par with firewood instead of Propane.

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Cost per 1M BTU's of various heating fuels [View all] lumberjack_jeff Feb 2015 OP

I am a little surprised by this. Curmudgeoness Feb 2015 #1

It takes about 4 cords of firewood to heat my house for a winter. lumberjack_jeff Feb 2015 #2

That is true---if you are able to get firewood yourself, Curmudgeoness Feb 2015 #3

I have a woodstove... and a forced air furnace with a heat pump. lumberjack_jeff Feb 2015 #8

Is that "face cords" or standard... NeoGreen Feb 2015 #10

Full cords, measured by shed volume. lumberjack_jeff Feb 2015 #11

Does "fuel oil" include both gasoline and diesel? cbayer Feb 2015 #4

I don't know anyone who uses gasoline for heating fuel. lumberjack_jeff Feb 2015 #5

Ah, it's only about heating. I completely missed that part. cbayer Feb 2015 #6

Passive solar heating is a great idea in some parts of the country. lumberjack_jeff Feb 2015 #7

Ok, thanks. I will play around with the spreadsheet. cbayer Feb 2015 #9

Electricity for this graph is resistive only. Heatpumps are about $15/MMBTU mackdaddy Mar 2015 #12

My fire wood.... sendero Mar 2015 #13

Depending on the distance hauled, it can be inexpensive. lumberjack_jeff Mar 2015 #14

Usually a total... sendero Mar 2015 #15