RESNET Certified HERS Rater serving all of Massachusetts. EcoScore Home Performance provides projected HERS ratings for building permits and final HERS ratings with blower door and duct leakage testing for Certificate of Occupancy. Specializing in Massachusetts Stretch Code and energy code compliance for new construction, additions, renovations, and ADUs. Serving Worcester County, Central MA, and all of Massachusetts. Mass Save partner. ICC Residential Energy Inspector, ICC IECC/HERS Compliance Specialist. Veteran-owned and operated. Fast turnaround — projected ratings typically completed in 2-5 business days. You work directly with the certified rater, not a dispatcher.