SunPower's Pennsylvania operations bring their 54-year legacy and proprietary Maxeon cell technology to a state with a robust SREC program and growing solar adoption. Pennsylvania's diverse geography, from the densely populated Philadelphia suburbs to the rural farms of Lancaster County, requires an installer that can handle a wide range of project types.
What earned SunPower the top ranking in Pennsylvania was their ability to deliver consistent quality at scale. Their 4.4-star rating from 436 reviews reflects the challenges of high-volume national operations, but their zero BBB complaints and NABCEP certification demonstrate accountability. SunPower's high-efficiency panels are particularly valuable in Pennsylvania, where overcast days are common and maximizing production when the sun does appear is critical.
The company helps homeowners enroll in Pennsylvania's SREC program, which provides ongoing revenue for solar energy produced. Their 25-year comprehensive warranty and established financial backing provide long-term confidence.
With a composite score of 81.05, SunPower is our top-ranked solar company in Pennsylvania for 2026.
“First off, rating should be/is 4.5 stars! My experience with Blue Raven Solar has been a pretty good one from the beginning and pretty much to the end! My sales rep was great about explaining their...”
Joerg N.
“I started my solar project with them on 8.22.2025. Today is 12.12.2025 and they still have not finished my project. Someone was supposed to show up yesterday but didn’t. The company does not...”
Michael F.
“I don’t write too many negative reviews, but my experience with Blue Raven Solar has been pretty awful. The salesperson assured me that having their panels installed would pretty much eliminate my...”
Andres P.
“Working with Aaron Calvert at blue raven has been so painless. He’s made the process smooth, even with roadblocks that came about in preparation. He kept in contact. Offered recommendations. And we...”
Nancy M.
“I had a great experience working with Kimoni with Blue Ravens sales team. He is knowledgeable, transparent, and took the time to explain everything clearly. There was no pressure—just helpful...”
Kathy D.
“I was nervous about getting solar panels at first, but after talking to representative Tony Prado I was sold. He explained everything in detail and was ready to answer all our questions. The whole...”
Kobe C.
“I had a great experience with this solar company. My salesperson, Kimoni, was professional, knowledgeable, and made the whole process easy to understand. He answered all my questions without any...”
starr w.
“I’m so impressed with Blue Raven. I appreciate my sales rep Kimoni. He’s been great for all my questions with overall great communication. He gave realistic estimates and time lines. 5 stars for...”
JK Mechanical has been a fixture of Lancaster County's home services industry since 1979, making it one of the longest-operating mechanical contractors in southeastern Pennsylvania. Headquartered in Willow Street, the company started as a traditional plumbing and HVAC firm before expanding into solar energy, electrical work, and geothermal systems. That 47-year track record gives JK Mechanical an institutional depth that pure-play solar installers in the region simply cannot replicate.
The company's evolution into solar was a natural extension of its core competency in whole-home energy systems. Their technicians understand how heating, cooling, electrical, and solar components interact within a building envelope, which allows them to design solar installations that account for a home's full energy profile rather than treating panels as a standalone addition. This integrated approach is particularly valuable for older Pennsylvania homes where electrical panel upgrades, roof assessments, and HVAC coordination are often prerequisites for a successful solar project.
JK Mechanical's team includes NABCEP-certified solar installers alongside NATE-certified HVAC technicians and licensed electricians and plumbers. The company is also a Carrier Factory Authorized dealer, which means their staff undergoes rigorous manufacturer training across multiple product lines. That breadth of certification is unusual in the solar industry, where many companies specialize in one trade. For homeowners in Lancaster, York, Harrisburg, and Reading, it means a single contractor can handle the solar installation, any necessary electrical upgrades, and ongoing HVAC maintenance under one roof.
With a 4.9-star Google rating across 1,337 reviews, JK Mechanical has one of the largest verified review counts of any solar-capable contractor in the state. The volume and consistency of that feedback suggests a company that has scaled its operations without sacrificing service quality. Their service territory spans Lancaster, York, Chester, and Dauphin counties, covering a substantial swath of south-central Pennsylvania.
With a composite score of 73.8 out of 100, JK Mechanical holds the second-ranked position among solar providers in Pennsylvania for 2026.
“Incredibly pleased with the whole team on this furnace replacement! Zach (sales), and the fantastic install team (Tyler and John).
We replaced an old (21yr) single-stage with a new WeatherMaker...”
mbf1234567
“JK Mechanical has been servicing our HVAC system since installing it in 1999.
The gas furnace finally failed after 26 years. Sale rep, Matt Kemper, was very personable and explained our options and...”
Justin N.
“Working with JK Mechanical went very well from start to finish. Our sales rep, Dan, made some good suggestions to help improve the overall comfort in our home, took duct measurements to ensure...”
j z.
“JK Mechanical is the kind of company you hope you’ll find but rarely do. I first hired them for electrical work—twice now—and was blown away by how professional, punctual, and genuinely kind they...”
Brittany K.
“I would highly recommend J K Mechanical on replacing your HVAC system. J K Mechanical salesman’s Matt Kemper went the extra mile to ensure we were getting the best system for our home. He is very...”
Marissa D.
“We had Connor out to replace our furnace control board, and he was fantastic from start to finish. He explained everything he was doing in a way that even I could follow! I highly recommend Connor...”
Steve S.
“Sam did and excellent job. Thorough, professionally, and with a great temperament. He responded to texts quickly and solved our problem within a reasonable time. I would highly recommend Sam.”
amy76415
“I was very pleased with the service provided by Chris. From start to finish, he was courteous, professional, and highly knowledgeable. Chris quickly identified the cause of our low water pressure and...”
Zimmerman's Roofing is a family-owned exterior contracting firm founded in 1996 and based in New Holland, in the heart of Lancaster County. For three decades, the company has built its reputation on residential roofing work across Lancaster, York, Berks, Lebanon, and Chester counties. Their expansion into solar panel installation was a strategic move that leverages their deep expertise in roof systems, an advantage that matters more than many homeowners realize when it comes to mounting photovoltaic arrays on existing structures.
The company's solar division operates in partnership with Iddings Electric Inc., a sister company that handles the electrical engineering and wiring components of each solar project. This collaborative model means that Zimmerman's handles the roof-side work they know best, including structural assessment, weatherproofing, flashing integration, and mounting, while Iddings manages inverter installation, panel connections, and grid tie-in. The arrangement has earned the team a CertainTeed Master Solar Installer certification, one of the more rigorous manufacturer credentials available in the residential solar space.
For Pennsylvania homeowners, working with a roofing company on solar installation carries a practical benefit that dedicated solar firms sometimes overlook: roof condition assessment. A 20-year-old roof that needs replacement within the next five years is a poor candidate for a solar array, and a roofing contractor is better positioned to make that call honestly than an installer whose revenue depends on selling panels. Zimmerman's ability to evaluate, repair, or replace the roof before or during the solar installation removes a common pain point from the process.
Their 4.9-star Google rating from 556 reviews reflects consistently strong performance across both their roofing and solar lines of business. The company serves a loyal base of Lancaster County homeowners who value the accountability that comes with a locally owned, family-operated firm that has been in the same community for 30 years. While they do not hold NABCEP certification, the CertainTeed Master Solar Installer credential and the electrical expertise provided through Iddings Electric ensure their solar work meets a high technical standard.
With a composite score of 73.8 out of 100, Zimmerman's Roofing earns the third-ranked position among solar providers in Pennsylvania for 2026.
“Extreme winds a few weeks ago ripped asphalt shingles and caps from the peak of my roof. Upon discovering it, Zimmerman Roofing who installed my roof originally came out right away to assess and fix...”
Don S.
“I feared that we need an entire new roof — what do I know about roofs??
Fabian gave a thorough inspection and turns out it can be repaired, saving us a ton of money.
Fabian was both professional...”
Rebeca M.
“We had about 150 shingles missing from our roof, and we had the best experience and a job well done by Zimmerman's Roofing.
First Paul came and looked over our roof and gave us an estimate right...”
Randy C.
“I contracted with this company for vinyl siding replacement, which was completed in late spring. Every time a particularly bad storm blows through I have to pick up pieces of siding that have blown...”
Joel C.
“Zimmermans did a fantastic job replacing my roof! Tony was great and informative!! The clean up was very well done! I would and will recommend Zimmerman to anyone asking!! Thanks!”
Tom K.
“Cody Benjamin came to the house to prep for an estimate on fixing a leak causing interior water damage. He was extremely thorough, knew exactly what he was doing and what to look for, and was very...”
Thomas E.
“Gene is friendly and did an awesome job of answering questions and working through the process of picking roofing, windows, doors and siding. He was always available to talk with about any questions...”
Julie F.
“All of my experiences with staff in the office and on site have been fantastic from a customer service perspective. Their communications are clear and informative, and Cody provided very thorough...”
SREC program (PA Alternative Energy Portfolio)|Net metering at retail rate|No state solar tax credit|Property tax exemption varies by municipality|PACE financing in some areas
Net Metering The regulations also provide for metering capabilities that will be required and a compensation mechanism which reimburses customer-generators for ...
This section establishes the process through which EDCs obtain Commission approval to net meter alternative energy systems with a nameplate capacity of 500 kW ...
Pennsylvania's net metering program is one of the best perks of installing solar panels. But how does it work, how do you get paid, and who is eligible?
The bill ends the residential tax credit of 30% for any clean energy expenses, such as solar panels, paid for after December 31, 2025. Homeowners who install ...
Pennsylvania manufacturing facility offsetting 100% of energy with new rooftop solar array ... Resources · Non-Profits · Businesses ...
*Companies displaying 15 or more years in business are typically established electrical, roofing, or general contracting firms that expanded into solar installation in more recent years. The years shown may reflect the age of the parent organization or a strategic partner, not necessarily the solar division itself. This distinction is worth considering when comparing to dedicated solar installers, as purpose-built solar companies may offer more specialized expertise despite a shorter operating history.
