Vendors performed duct sealing at 21% of participating homes. Duct sealing provided through HES reduced duct leakage by an average of 23% per home. Improvement in duct leakage does not appear to be related to home characteristics such as home age, size, heating fuel, and tenure. Insulation was installed at 2,518 or 14% of participating Insulation was rarely installed in renter-occupied homes. Insulation was installed in only 14% of renter-occupied homes in which eligible insulation upgrade opportunities were identified, compared to 54% of owner-occupied homes. Program-eligible opportunities to upgrade insulation were identified in around third of participating homes. Auditors identified program-eligible opportunities to upgrade insulation in 31% of Eversource participant homes. Around one-half of participants eligible to upgrade insulation through the program elected to install insulation. Insulation was installed in 53% of the Eversource homes in which eligible upgrade opportunities were identified.
Vendors performed duct sealing at 21% of participating homes. Duct sealing provided through HES reduced duct leakage by an average of 23% per home. Improvement in duct leakage does not appear to be related to home characteristics such as home age, size, heating fuel, and tenure. Insulation was installed at 2,518 or 14% of participating Insulation was rarely installed in renter-occupied homes. Insulation was installed in only 14% of renter-occupied homes in which eligible insulation upgrade opportunities were identified, compared to 54% of owner-occupied homes. Program-eligible opportunities to upgrade insulation were identified in around of participating homes. Auditors identified program-eligible opportunities to upgrade insulation in 31% of Eversource participant homes. Around one-half of participants eligible to upgrade insulation through the program elected to install insulation. Insulation was installed in 53% of the Eversource homes in which eligible upgrade opportunities were identified. third
CT%20HES%20Air%20Sealing,%20Duct%20Sealing,%20and%20Insulation%20Practices%20(R151)_review%20draft_12.23.15.docx