Locally Owned · MA & NH

Solar That Makes Sense.

Residential & Commercial Solar in Massachusetts, New Hampshire, and New England

Locally owned and committed to straightforward guidance, quality installations, and real long-term value. We'll walk you through the numbers, explain your options, and help you decide whether solar is right for your property.

We Inform. You Decide.

4.9 stars · 59 Google reviews
4.9★Google Rating
59Verified Reviews
MA, NH & NEService Area
100%Pressure-Free

Solar Solutions for Homes & Businesses

Every property is different. We design solar solutions around your energy usage, property, and financial goals.

Residential home with rooftop solar panels
Residential

Residential Solar

Take greater control of your electricity costs with a solar system designed for your home. We'll help you understand installation costs, available incentives, financing options, and potential long-term savings.

Commercial building rooftop solar panel installation
Commercial

Commercial Solar

Turn unused roof or property space into a long-term business asset. We help businesses evaluate energy savings, project economics, available incentives, and installation options.

Solar Done Right, From Day One.

Experienced professionals, straightforward answers, and a hands-on approach from your first questions through system activation.

Honest Guidance

No pressure or unnecessary sales tactics. We explain your options, answer your questions, and let you decide.

Proven Experience

From residential rooftops to complex commercial installations, we bring practical experience and attention to detail to every project.

Local Expertise

Based in the region we serve, with experience navigating Massachusetts and New Hampshire utilities, permitting, and applicable incentives.

Aerial view of Upswing Farm solar installation in Pepperell, MA — a Critical Mass Solar project
Free, no-obligation assessment

Our Approach

We Inform. You Decide. Always.

We believe choosing solar should be an informed decision, not a pressured one. That's why we take the time to understand your property, explain your options, and walk you through the financial details. If solar makes sense, we'll show you why. If it doesn't, we'll tell you that, too.

  • ✓Straightforward pricing and realistic financial projections
  • ✓Guidance on applicable incentives and utility requirements
  • ✓Hands-on support from consultation through system activation

Our Work Speaks for Itself.

From homes to commercial facilities, we take pride in delivering thoughtfully designed solar installations throughout Massachusetts and New Hampshire.

Aerial view of Porsche Dealership rooftop solar installation, Nashua, NH
Commercial

Porsche Dealership

Nashua, NH

Aerial view of Phoenix Precast commercial rooftop solar installation in winter
Commercial

Phoenix Precast

Commercial Solar

Aerial view of Upswing Farm barn rooftop solar installation, Pepperell, MA
Agricultural

Upswing Farm

Pepperell, MA

4.9 on Google

Based on 59 verified reviews

Read Our Google Reviews

"Critical Mass Solar made the whole process easy and stress-free. They explained everything clearly and never once pressured us. Highly recommend."

Sarah M.

"Incredibly knowledgeable team. They walked us through every incentive available in Massachusetts and helped us make a decision that was right for our home."

James T.

"From the first call to final installation, the experience was professional and transparent. Our system has been performing beautifully."

Linda R.

Let's Find Out if Solar Makes Sense for You.

Tell us a little about your property and energy needs. We'll help you understand your options, potential savings, and the next steps—without the sales pressure.