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• 
  What is a Heat Pump and When Should You Make the Switch? | Massachusetts | Mass Save

  December 17, 2025

  Learn what a heat pump is and when you should consider switching to it. Find out about ways you can save energy with heat pumps while using rebates

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  Energy Efficiency Tricks & Treats

  October 12, 2017

  This Halloween don’t get spooked by ghosts, monsters, or your energy costs! Spare the scare, the dollars, and the energy waste with these fun energy efficiency tricks and treats.

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  Over 1,000 Dehumidifiers Recycled (and Counting)

  August 7, 2017

  Since 2015, the sponsors of Mass Save have been working with local communities and retailers to host recycling events at which residents can turn in old, inefficient dehumidifiers. These events have provided an opportunity for participants to safely recycle old dehumidifiers at no-cost, plus receive a $30 rebate for turning in an old unit.

• HVAC Energy Efficiency Basics: Load Estimating & Energy Efficiency

  This is the third session in our HVAC Energy Efficiency Basics webinar series. Some of the sessions will build on each other, but you may choose to participate in any or all of them.

• The Rater/Verifier Perspective on the Passive House Process

  In this hybrid (live & virtual) session, a panel of experienced Passive House raters and verifiers will discuss lessons learned from design through construction. Learn about the unique approaches, challenges and solutions to make your next Passive House project a success. Audience Q&A included.

• The ABCs of HVAC: Comfort & Efficiency (Part 2)

  This is the second session in our HVAC Energy Efficiency Basics webinar series. Some of the sessions will build on each other, but you may choose to participate in any or all of them.

• Encore Presentation Residential Stretch Code Part 2 Mandatory Requirements and Additional Efficiency Packages

  This module takes a deeper dive at the mandatory requirements. We’ll look at each requirement and what has changed from the last code cycle. Additional Efficiency packages will also be discussed. We will look at requirements for both prescriptive and stretch code when it comes to the additional packages.

• The ABCs of HVAC: Comfort & Efficiency (part 1)

  This is the first session in our HVAC Energy Efficiency Basics webinar series. Some of the sessions will build on each other, but you may choose to participate in any or all of them.

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  Energy-efficient foodservice equipment + instant incentives = commercial size savings

  July 26, 2022

  Save now with instant incentives on high-efficiency commercial foodservice equipment, save later with reduced energy use and lowered operating costs.

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  Smart Solutions for Small Businesses: Creating Comfortable, Energy-Efficient Workspaces | Massachusetts | Mass Save

  March 12, 2026

  Create a healthier, more productive workplace with smart, energy‑efficient solutions tailored for small businesses. Discover tips to boost comfort and save money.