Your Full-Service Energy Efficiency —Partner in Massachusetts

From no-cost Mass Save inspections to finance-ready installs — insulation, heat pumps, mold remediation, roofing, windows, and certified HERS ratings.

For Homeowners

For Builders & Developers

Unlock Major Savings with Mass Save

$16,000 Off Mini-Splits

High-efficiency ducted or ductless systems with rebates.

100% Off Insulation & Air Sealing

No-cost weatherization services for eligible homes.

0% Financing

Mass Save HEAT Loan up to $25,000 for 7 years.

Ready to Get Started?

Book your no-cost Mass Save inspection or request HERS rating services today.

Why Choose C2S Energy?

We Do the Work

Not just inspections — full installs from start to finish.

One-Stop Shop

From inspection → financing → installation, all in-house.

Local & Trusted

Based in New Bedford, serving Massachusetts communities.

Certified HERS Raters

Expert guidance for builders, architects, and developers.

What Our Customers Say

Ready to Get Started?

Book your no-cost Mass Save inspection or request HERS rating services today.

Phone

(774) 961-6810

Email

info@c2senergy.com

Address

New Bedford, MA 02745