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TRUSTED BY WALTHAM, MA HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon23
    Verified solar panel services reviews

Top-Rated Solar panel pros in Waltham - Updated Nov 2026

Avatar for Genove Oil & Air Co
Genove Oil & Air Co
4.7(
217
)
Solar Water Heater System - InstallSolar Water Heater System - Install - For BusinessSolar Water Heater System - Repair+1 more

Serving Waltham, MA and surrounding areas

Approved

In business since 1977

Free estimates

Emergency services offered

"Shawn performed the annual heating inspection for our furnace/oil tank. As always he was very quick, and took extra time to walk me through the piping of our different heating zone. Highly recommend Genove Oil, they are providing stellar service and with employees like Shawn you are in very good hands."
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Pics
Pics

+2

Response time12 hrs
Response rate100%
12 neighbors recently requested a quote
Avatar for Solar Medix
Solar Medix
4.6(
11
)
Solar Panels For Electric System - RepairSolar Panels For Electric System - Repair - For Business

Serving Waltham, MA and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"I contacted Solar Medix replace two DC string inverters on our 15 year old solar array. As it turned out, they were able to correct some wiring instead of replacing the inverters! Thank you for doing a fantastic job! They saved us a few thousand dollars! And I highly recommend them!"
Junction
blown over ground mount array
America
little rain never hurt no panel
unirac flex

+19

Response time1 day
Response rate92%
98 neighbors recently requested a quote
Avatar for Mouradian Plumbing & Heating
Mouradian Plumbing & Heating
4.7(
19
)
Solar Water Heater System - InstallSolar Water Heater System - Install - For BusinessSolar Water Heater System - Repair+1 more

Serving Waltham, MA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"I hired Eric to install a Lochinvar noble heating unit in my home and he and his teams did an amazing job. I will certainly be engaging Eric in the future should any future service needs arise. Eric and his teams were very professional and punctual. They were able to complete the job on time as promised (in two days) and they worked diligently, efficiently, and took care to keep my home clean and follow Covid safety protocols (which I highly appreciated). I would definitely recommend Eric and his teams if you are looking to get a job like this done and get it done at a reasonable price and with truly quality work and technicians."
Response time1 day
Recommended by100%of homeowners
Avatar for Venture Home
Venture Home
5.0(
3
)
Solar Panel Install

Serving Waltham, MA and surrounding areas

Approved (Corporate)

In business since 2015

Free estimates

Small jobs welcome

We are proud to have built a team of over 220 trained, in-house professionals devoted to bringing clean, green energy to the Northeast. We help homeowners save money on the best solar panel system available while replacing electricity and making a better tomorrow for us all. With our world-class solar systems using LG panels optimized for energy, advanced in-home monitoring controls, unbeatable warranty, and exceptional service, our customers know they?re getting the best in the industry. Based in Greenpoint, Brooklyn, we service NYC, Long Island, New Jersey, Connecticut, Rhode Island, New Hampshire, and Massachusetts. Feel free to get in touch with your questions or contact us for your free quote!

What an amazing solar install!
Response time2 days
Recommended by100%of homeowners
Avatar for Rodenhiser Home Services
Rodenhiser Home Services
4.4(
522
)
Solar Water Heater System - InstallSolar Water Heater System - Install - For BusinessSolar Water Heater System - Repair+1 more

Serving Waltham, MA and surrounding areas

Approved

In business since 1928

Emergency services offered

Warranties offered

"Sales rep arrived promptly, answered all questions clearly, gave us two different price options, and did not push us for an immediate commitment. The installation team was overseen by two seasoned staff. They were able to connect our solar hot water panels to the new system, which another firm said could not be done. All the work was completed on time, and they showed us how every component worked. Their office is handling the paperwork for our rebate for replacing a furnace that was more than 30 years old. From our experience, this is a professional organization, with competent staff at every level. Their price seemed a little high, but the quality of the work justified it."
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27 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Better Solar Solutions, LLC
Better Solar Solutions, LLC
5.0(
2
)
Solar Panel InstallSolar Panels For Electric System - Install - For Business

Serving Waltham, MA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

We pride our company on reliability, great communication, \nintegrity, and quality work. We are experts in our trade and will do our best \nto keep you as educated as we can on your particular task or project. We are locally owned and operated. Give us a call today, we look forward to earning your business!

Projects
8 neighbors recently requested a quote
Avatar for Northeast Power, LLC
Northeast Power, LLC
5.0(
3
)
Solar Panels For Electric System - RepairSolar Panel InstallSolar Panels For Electric System - Install - For Business+1 more

Serving Waltham, MA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"My solar inverter stopped working in my existing solar system, and since my original installer went out of business, I had a hard time finding someone to replace the inverter provided by SolarEdge. It was a small job, and most large companies weren’t interested, while those willing to help were booked out for at least a couple of months. I contacted Justin, and he replaced the inverter within just a few days. He was very friendly, efficient, and offered a very reasonable price. Justin was also extremely knowledgeable, explained everything clearly, and kept me updated throughout the process. He arrived on time, completed the work neatly, and made sure the system was running perfectly before leaving. Overall, his professionalism, honesty, and dedication to customer satisfaction made the whole experience stress-free and smooth."
Northeast Power
Northeast Power
Northeast Power
Northeast Power
Northeast Power

+2

21 neighbors recently requested a quote
Recommended by66%of homeowners
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Solar Panels FAQs, answered by experts

Yes, a solar panel can power a TV without a battery, but only if the sun is shining and the panel is generating enough energy. Your solar panel and TV must have the same voltage, and you should install a charge controller and inverter between them so power surges don’t destroy your TV. To watch TV at night, in the early morning and late afternoon, and on cloudy days, your home must be tied to the power grid.

In most states, solar installers need to be licensed and insured as solar professionals, although some states don’t have specific requirements for installers. You can use our state licensing tool to check if an installer you’re considering hiring holds the proper licensing. No matter where you live, a member of your solar panel installation company must be a certified electrician to connect your panels to your home and the electric grid.

While you can minimally overshoot the number of solar panels you need for your home, it's not smart to go too far. Not only is the extra cost unnecessary, but your state may put caps on how much energy your home can produce and send back to the grid. It is always best to work with a solar energy professional to determine the best system size for you.

No, you cannot turn on a new solar system before inspection. The inspector checks that the system is correctly connected to the grid and that safety components and features are in place. This process prevents problems on the electrical grid and offers protection against fire in your home. 

Your local utility company may also require inspection documentation before you can connect to the grid. An inspection can ensure solar power efficiency and determine how you might increase it.

Depending on the climate in your area, the best time to install solar panels is either winter or early spring. Summer is a fine time to install panels, too, but it tends to be the busy season, so prices may be higher and companies may have packed schedules. The installation process can take more time than expected between getting permits and finalizing a design, so start as soon as you can.

The Waltham, MA homeowners’ guide to solar panel services

From average costs to expert advice, get all the answers you need to get your job done.