Back to School: The Future of Passive House Training

Join us to discover best practices for overcoming common ‘passive pitfalls’, addressing persistent ventilation and air sealing challenges, and optimizing for cost.

Commissioning of Existing Buildings (EBCx)

Intro to EBCx, how it can improve energy efficiency, and how to identify commercial and industrial facilities that are good candidates.

The Contractors Perspective on the Passive House Process

A panel of experienced contractors will discuss lessons learned from their experience working on Passive House certified projects. Learn about the unique approaches, challenges and solutions, and integrated team planning that is required for success.

How To Use Your Smart Thermostat for Maximum Savings | Massachusetts | Mass Save

May 4, 2026

Discover smart thermostat strategies that help you save money, improve comfort, and maximize home efficiency.

Heat Pumps | Mass Save

Install a high-efficiency heat pump for dual heating and cooling—and start saving energy.

Cseko - Farley | Case Studies | Mass Save

When Julia Cseko’s father decided to relocate from Somerville, Massachusetts, Julia and her husband, Patrick Farley, had the opportunity to purchase his two-family 1920s house from him and turn it into their new family home.

Carlisle Kids' House | Case Studies | Mass Save

Carlisle Kids’ House is a nonprofit childcare center in Carlisle, Massachusetts, serving toddlers through fifth grade students with year-round programming as well as summer camp. When Executive Director Kristin Tully stepped into her role, she assumed responsibility of a building with more than a decade of deferred maintenance and soon turned her attention to identifying opportunities for long‑term energy savings and operational efficiency.

Amanda Kingsley | Case Studies | Mass Save

Amanda Kingsley and her family have lived in their late‑1800s home in Shelburne Falls, Massachusetts, since 2002. Like many older New England houses, the home relied on a patchwork of heating sources over the years, including an aging oil furnace and a pellet stove, which led to uneven temperatures, system noise and ongoing maintenance challenges.

Air Leakage testing for commercial buildings

New air leakage testing requirements for commercial buildings.

Contact Us | Contact Mass Save® | Mass Save

Mass Save® is a collaborative of Massachusetts’ electric and natural gas utilities and energy efficiency service providers including Berkshire Gas, Cape Light Compact, Eversource, Liberty, National Grid, and Unitil. We empower residents, businesses, and communities to make energy efficient upgrades by offering a wide range of services, rebates, incentives, trainings, and information.

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