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  • Mass Save Supplier Diversity Summit

    Minority and women-owned businesses have a unique, in-person opportunity to engage with the Sponsors of Mass Save, network with your peers, and gain valuable information and resources.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • Mass Save Upgrade Heating and Cooling Equipment Guide

    High-efficiency equipment can make your home more comfortable, efficient, and budget-friendly. The Sponsors of Mass Save® provide resources and rebates that help you upgrade.

  • MA- Energy Modeling for Commercial Compliance Pathways (Parts 1- 4)

    Understand the modeling requirements associated with the Targeted Performance Path and the Relative Performance Path for MA Commercial Stretch Energy Code compliance. Comprehend the modeling requirements for special cases including core-and-shell projects and first-time tenant fit outs. Develop a high-level, basic understanding of MA Stretch 2023 mandatory requirements and the types of 90.1 mandatory requirements that projects are required to comply with. Understand how to use energy modeling results to extract the information needed to demonstrate compliance with the Targeted Performance Path. Learn to establish model inputs for specific systems and components. For example, OA CFM rates for the Targeted Performance Path. Articulate energy modeling requirements of the Relative Performance Path that deviate from the ASHRAE 90.1 Performance Rating Method. List the documentation that must be submitted to code officials for projects following performance paths of compliance.

  • Tips for Summer Savings

    April 6, 2017

    Still struggling to fall asleep with sweat trickling down your neck? Does the heat wake you up at night? Summer is almost over, but that doesn’t mean the warm temperatures are gone just yet. It’s also never too late start getting the comfort you deserve.