Insulation saves heating costs by slowing heat transfer through a home’s attic, walls, and foundation. During a Massachusetts winter, a continuous thermal barrier helps keep heated air inside. When insulation is paired with air sealing, the heating system can maintain...
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Mass Save Insulation Eligibility Requirements for Home Insulation (2026 Guide)
Mass Save insulation eligibility depends on your utility provider, property type, assessment findings, approved work, and household income for certain offers. Living in Massachusetts does not automatically make a home eligible. The standard residential pathway...
5C Energy Selected by MassCEC to Advance EV Charging Solutions in Massachusetts
At 5C Energy, we’re proud to be part of the clean energy movement that’s shaping the future of transportation in Massachusetts. We’ve been selected by the Massachusetts Clean Energy Center (MassCEC) to participate in their Medium- and Heavy-Duty (MHD) Vehicle Mobile...
What Is the Difference Between Closed and Open Cell Spray Foam Insulation?
Spray foam insulation is a versatile and effective material that creates an airtight barrier, making it a popular choice for insulating homes and businesses. Unlike traditional insulation materials, spray foam retains its shape and doesn't compress or sag over...
Affordable Insulation: How to Save Big
Nothing feels worse than a house that gets drafty in the winter and hot and humid in the summer. That’s why quality insulation is essential in Boston, Massachusetts. The problem is, many area residents feel like they can’t afford it. That’s why our team at 5C Energy...





