MA - R6.0 The Massachusetts Stretch Energy Code for HERS Raters

Updated for the new Stretch Energy Code.

R6.0 The Massachusetts Stretch Energy Code for HERS Raters

This course, specifically designed for HERS Raters, reviews details of the ERI path, including rating standard options, renewable energy bonuses, and verification and documentation requirements.

R7.0 Accessory Dwelling Units (ADUs) and the Massachusetts Stretch Code

This course takes a deep dive into ADUs and discusses what ADUs are, how they are different from existing building additions, which stretch code requirements apply to ADUs, and how to apply Mass Save Incentives to ADU projects.

C.01 MA Commercial Stretch Energy Code: Targeted & Relative Performance Paths (Part 1)

Targeted Performance: Thermal Energy Demand Intensity (TEDI) Relative Performance: ASHRAE 90.1 Appendix G Performance Rating Method 2023 Massachusetts Commercial Stretch Code

The Engineers Perspective on the Passive House Process

A panel of experienced MEP engineers will discuss heating, cooling, ventilation, and domestic hot water systems focusing on lessons learned from their experience on Passive House certified projects.

MA - R6.0 The Massachusetts Stretch Energy Code for HERS Raters

Updated for the new Stretch Energy Code.

MA - R6.0 The Massachusetts Stretch Energy Code for HERS Raters

Updated for the new Stretch Energy Code.

MA - R6.0 The Massachusetts Stretch Energy Code for HERS Raters

Updated for the new Stretch Energy Code.

How heat pump water heaters improve efficiency in commercial buildings | Massachusetts | Mass Save

July 23, 2026

Heat pump water heaters offer for commercial buildings. Learn how they work, key benefits, and available rebates.

The Benefits of Switching to a Heat Pump Water Heater | Mass Save

February 4, 2026

Upgrade to a heat pump water heater for enhanced efficiency and savings. Discover how to make the switch and improve your home's energy use.

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