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This workbook prepared by Will Brownsberger, May 2023
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Goal: Using baseline energy use comparison to estimate SCOP for heat pumps installed in 2022
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Baseline period is 5 winters of gas use November 2010 through June 2015
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HDD data from degreedays.net -- using average of Bedford and Logan airports since site is roughly between them (approximately 7 miles from each)
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Table of contents
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Main results
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Linear modeling of monthly gas heat baseline load at HDD bases from 39 to 71 with resulting SCOP computations
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Linear modeling of installed pump power use at HDD bases from 39 to 71
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Graphic analysis of daily regression results -- shows leak effect
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Underlying data
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Gas use baseline data and adjustments
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Installed heat pump daily kwh
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Heating degree days monthly history with HDD bases from 39 to 71 -- mean Logan and Bedford
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Heating degree days daily history with HDD bases from 39 to 71 -- mean Logan and Bedford
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Tables from Residential Energy Use Survey used to estimate non-heating gas use in downstairs unit
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Right click a spreadsheet tab to display additional hidden sheets
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Degree day downloads
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Specific individual regressions, experimenting with multiple periods of analysis
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