Active 04 June 2025
Outcome Label
Eligibility
Reductions
3. Energy demand
This methodology covers weatherization of dwellings and implementation of energy efficiency measures in single-family homes, multi-family buildings, or mobile homes that reduce energy consumption. Examples include but are not limited to, improved air sealing, enhanced insulation, replacements of refrigerators and air conditioning units, and upgrades to heating/cooling systems, such as heat pumps (HP) and heat pump water heaters (HPWH).
Please note:
- Projects seeking to complete registration under VM0008, v1.1 must complete validation by 31 December 2025
Development History
VM0008 Weatherization of Single Family and Multi-Family Buildings, v1.2
Status: Active June 4, 2025
Mitigation Outcome Label Eligibility: Reductions
Summary of Changes:
- Adoption of the most recent VCS Methodology Template
- Inclusion of HP and HPWH as appliances in Category C and fuel switching in Category A/B approach 2, and Category C and D
- Inclusion of leakage emissions from HCFC leaks from appliances
- Adoption of VCS tools VT0008 Additionality Assessment, and VT0011 Electricity System Emission Factors to replace the CDM tools
Developer(s): Climate Neutral Business Network (external) and RENU (external)
Dates of Public Consultation: December 12, 2024, through January 13, 2025
Draft Shared During Public Consultation: VM0008, v1.2 Draft Methodology (Clean) (PDF), VM0008, v1.2 Draft Methodology (Greenlined) (PDF)
Summary of Public Consultation: Summary of Public Comments for VM0008, v1.2 (PDF)
VVB Assessment Report(s): N/A – minor revision
Announcement(s): Consultation: Minor Revision to Building Weatherization Methodology, Verra Publishes Minor Revision to Building Weatherization Methodology
VM0008 Weatherization of Single Family and Multi-Family Buildings, v1.1 (PDF)
Status: Active from October 10, 2012 to June 3, 2025
Grace Period: Projects seeking to complete registration under VM0008, v1.1 must complete validation by 31 December 2025
Mitigation Outcome Label Eligibility: Reductions
Summary of Changes: Revised to conform with VCS requirements for standardized methods.
Developer(s): MaineHousing (external)
Dates of Public Consultation: N/A
Summary of Public Consultation: N/A
VVB Assessment Report(s): N/A – minor revision
VM0008 Weatherization of Single Family and Multi-Family Buildings, v1.0 (PDF)
Status: Active from December 7, 2010 to October 9, 2012
Mitigation Outcome Label Eligibility: Reductions
Developer(s): MaineHousing (external)
Dates of Public Consultation: January 20, 2010 to February 18, 2010
Summary of Public Consultation: Comment #1 (PDF), Comment #2 (PDF)
VVB Assessment Report(s): First Assessment Report for VM0008, v1.0 (PDF), Second Assessment Report for VM0008, v1.0 (PDF), Methodology Review Report for VM0008, v1.0 (PDF)