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Case Study: ROI

Energy Bill Before Upgrades

Energy Bill After Upgrades

$225.31

$109.94

In this case study, upgrades were completed on a single detached home located in London, Ontario through the ecoENERGY Retrofit Grant Program. The home was built in 1936 and upgrades were completed by Great Northern Insulation in November of 2006.

After Great Northern had completed the upgrade on this home, the licensed energy auditor found the energy efficiency to be higher than predicted in the Intial Audit!

Energy Efficiency Audits before and after upgrades were completed by Great Northern Insulation show an improvement of 22 points on the Energy Efficiency Rating scale!

Initial Audit Results show an Energy Efficiency Rating of 55%

Initial Audit Results

Post-Upgrade Audit Results show an Energy Efficiency Rating of 77%

Post-Upgrade Audit Results

 

Before retrofit: 
January 2006 – $225.31

Before retrofit

After Retrofit: 
January 2007 – $109.94

 

After Retrofit

After Retrofit: 
January 2008 – $104.14

After Retrofit

 

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