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• 
  Fitchburg Public Schools | Case Studies | Mass Save

  Energy-efficient school upgrades are helping Fitchburg Public Schools save 175,000 kWh, 38,200 therms, and 12,100 gallons of oil annually while improving learning environments and advancing sustainability goals.

• 
  Varone Home – Holliston | Case Studies | Mass Save

  After learning about no-cost Home Energy Assessments, provided by Eversource, a Mass Save® Sponsor, Tony and Mary decided to sign up to explore potential savings on their energy bills.

• Heat Pump Water Heater Rebates I Residential I Mass Save

  Heat pump water heaters are the most efficient way to heat water in a home—up to three times more efficient than conventional electric water heaters.

• Mass Save | Building & HVAC Controls

  Technologies and controls-based solutions can improve building and HVAC performance and, lead to long-term savings, and greenhouse gas reduction.

• Energy savings for Landlords | Massachusetts | Mass Save
• Energy savings for Non-profits | Massachusetts | Mass Save
• Mass Save | Ground Source Heat Pumps

  Ground source/geothermal heat pumps extract heat from the ground during cold weather and distribute it throughout your business. During warmer months, this process is reversed to provide cooling.

• Mass Save | Water Source Heat Pumps

  A water source heat pump uses the same concept as an air source heat pump for drawing out heat from the outdoor air.

• Mass Save | Variable Refrigerant Flow Systems

  VRFs consist of an outdoor unit connected to multiple indoor units via refrigerant piping to provide cooling and heating to individual zones or rooms in a building.

• Mass Save | Packaged Terminal Heat Pumps

  By replacing old inefficient Package Terminal Air Conditioning (PTAC) units with a Package Terminal Heat Pump (PTHP) you can reduce your building’s heating and cooling costs significantly.