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• Introduction to Building Envelope Assessment and Weatherization

  More information and registration to come.

• Introduction to Building Envelope Assessment and Weatherization

  More information and registration to come.

• Commercial Energy Auditing

  Learn how to conduct a comprehensive energy audit in commercial buildings, including how to prepare for your site visit, how to identify a range of opportunities, and where to find more information.

• ASHRAE Guideline 36: Best in Class HVAC Control Sequences

  ASHRAE Guideline 36, High-Performance Sequences of Operation for HVAC Systems, was created to develop and maintain best-in-class standardized HVAC control sequences. This guideline is all about the concept of “less is more.” It allows engineers to reduce engineering time by adapting standard sequences already proven to perform.

• Intermediate Building Envelope Assessment and Weatherization

  More information and registration to come.

• Energy Facts

  Energy Facts

• 0% Interest Financing | Residential | Mass Save

  Check your eligibility for a 0% interest loan on a new heating system, water heater, central air conditioner, heat pump, or insulation.

• EV Charging Equipment & Accessories | Mass Save

  Eversource, National Grid, and Unitil are proud to support the electric vehicle (EV) movement — helping create a cleaner environment with lower emissions.

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  New Year, New Water Heater: Consider a Heat Pump Water Heater

  April 6, 2017

  Hint: Right out the window!  It seems like energy has the uncanny ability to escape right out of the window – especially in the winter.

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  Heat Your Home with the Sun's Help

  April 6, 2017

  Here in Massachusetts, once September hits, temperatures start to drop. And once they start dropping, they’ll just keep going down until you hit the depths of winter.