Category: Heating

• January performance snapshot

  Feb 2, 2014

  Living in a super-insulated house, I get very excited when extreme cold weather arrives. It is the only way to see how well the house performs in low temperatures. This January was the coldest month that we’ve lived in the house.

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• Estimating heat energy for 2012 - Revised

  Apr 7, 2013

  Now that we have January - March 2013 circuit-level usage values, I thought I’d go back and revisit my original 2012 heat estimate using a different method.

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• Estimating heat energy for 2012

  Jan 9, 2013

  April 7 Update: Using a different method I estimated  that we used 903 kWh for heat energy in 2012, that’s 16% of our total energy use. That would have cost us about $117 (using $0.13 per kWh).

  We don’t have a full 12 months of data for our heat, but using heating degree days (HDD) and performance thus far we can estimate that we used 591 kWh (+/-20%) for heat in 2012. That’s 11% of our total energy use for the year.

  Here’s the math…

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• Heat pump install complete

  Nov 11, 2011

  

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• Siding, gutters, wood flooring, stone wall and tile grout oh my!

  Nov 4, 2011

  

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• Air source heat pump installed, part 1

  Jul 28, 2011

  

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• Mechanicals (ASHP & ERV)

  Mar 6, 2011

  

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• Wood stoves

  May 25, 2010

  

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• Clearing and Window Shopping

  Mar 29, 2010

  

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