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182 results

• 
  Seal in Your Savings: Why Insulation and Air Sealing Matters for the Heating Season | Massachusetts | Mass Save

  November 14, 2025

  Now’s the time to insulate. See how improving your home’s insulation and air sealing boosts comfort, reduces energy use, and helps you save for the heating season.

• Heating & Cooling | Mass Save

  Make your home more comfortable and energy efficient by upgrading to a new heating and cooling system.

• Heat Pumps | Mass Save

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

• MA Commercial Stretch Energy Code: Targeted & Relative Performance Paths (Part 1)

  Training on both the TEDI and Relative Performance Compliance paths

• Heating and Cooling Glossary

  Expand your knowledge with this glossary of heating and cooling equipment and installation terms.

• Upgrading to Heat Pumps from Existing Commercial HVAC Systems

  Training on heat pump technology and how to upgrade each type of existing commercial HVAC system to a heat pump.

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  7 Tips for Operating Your Mini-Split Heat Pump in the Summer

  June 25, 2018

  To get the most out of your mini-split heat pump system, check out these seven tips to maximize it’s efficiency, lower energy costs, and enhance your comfort during the summer months.

• 
  The heat is off: Now’s the time for annual maintenance

  April 26, 2017

  Now that winter is over and you're relying less on your heating system, it's the perfect time for some routine maintenance.

• MA Commercial Stretch Energy Code: Targeted & Relative Performance Paths (Part 1)

  Overview of the new TEDI and Relative Performance Paths.

• MA Commercial Stretch Energy Code: Targeted & Relative Performance Paths (Part 2)

  Overview of TEDI and Relative Performance.