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Verified Reviews for Solar Panel Service pros in Portage, WI

*The Angi rating for Solar Panel Service companies in Portage, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Solar Panel Service needs.

*The HomeAdvisor rating for Solar Panel Service companies in Portage, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Solar Panel Service needs.

Last update on November 15, 2025

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Avatar for Cardinal Heating & Air Conditioning

Cardinal Heating & Air Conditioning

4.90(
128
)
•Approved Pro

Cardinal Heating & Air Conditioning

4.90(
128
)
•Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
170 local quotes requested

Since 1984, Cardinal Heating, Cooling, Plumbing & Electric has provided the Sun Prairie, WI and the surrounding area with exceptional Heating, Air Conditioning, Electrical and Plumbing services. We offer professional technicians, same-day installations and 24-hour emergency service. We believe we are the right choice for any of your HVAC, Plumbing, or Electrical needs. Call today to schedule your next appointment!

"Had an old fixture above kitchen sink go kaput (fluorescent starter disintegrated), so Cardinal came out and offered LED alternatives (two provided, brought on-hand from supply warehouse). Also fixed a switched outlet that had shorted out. Great work done, nice alternatives for the LED light, and switched outlet was wired to be always-on for one socket and switched for the other -- better than it was before at no additional cost. Later I called to ask the exact serial and model number of the LED light because the papers left did not state it. Not only did I get an email a couple hours later with the model/serial, the tech included the detailed documentation for the fixture so if anything goes wrong I can likely fix it myself next time. The tech who did the work also applied a 10% off discount card for me with no extra hassle, saving me close to $100 on the work."

Joe K on November 2025

Since 1984, Cardinal Heating, Cooling, Plumbing & Electric has provided the Sun Prairie, WI and the surrounding area with exceptional Heating, Air Conditioning, Electrical and Plumbing services. We offer professional technicians, same-day installations and 24-hour emergency service. We believe we are the right choice for any of your HVAC, Plumbing, or Electrical needs. Call today to schedule your next appointment!

"Had an old fixture above kitchen sink go kaput (fluorescent starter disintegrated), so Cardinal came out and offered LED alternatives (two provided, brought on-hand from supply warehouse). Also fixed a switched outlet that had shorted out. Great work done, nice alternatives for the LED light, and switched outlet was wired to be always-on for one socket and switched for the other -- better than it was before at no additional cost. Later I called to ask the exact serial and model number of the LED light because the papers left did not state it. Not only did I get an email a couple hours later with the model/serial, the tech included the detailed documentation for the fixture so if anything goes wrong I can likely fix it myself next time. The tech who did the work also applied a 10% off discount card for me with no extra hassle, saving me close to $100 on the work."

Joe K on November 2025

Avatar for JLF Plumbing LLC

JLF Plumbing LLC

4.76(
33
)
•Approved Pro

JLF Plumbing LLC

4.76(
33
)
•Approved Pro
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
72 local quotes requested

We specialize in plumbing services, repairs, installations, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today! Plumbing - Water Heaters - Water Softeners -

"He responded in a timely manner, kept me updated on ETA, came prepared with materials, fixed my plumbing concern in less than an hour."

Trisha W on May 2025

We specialize in plumbing services, repairs, installations, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today! Plumbing - Water Heaters - Water Softeners -

"He responded in a timely manner, kept me updated on ETA, came prepared with materials, fixed my plumbing concern in less than an hour."

Trisha W on May 2025

Avatar for Green Energy Solutions

Green Energy Solutions

No reviews yet

Green Energy Solutions

No reviews yet
Free onsite estimate

"Charging up for a sustainable future! ⚡? Excited about the intersection of solar energy and EV charging stations. Harnessing the power of the sun to fuel our electric vehicles – it doesn't get cleaner than this! Join the journey toward a greener tomorrow. ?☀️ #SolarPower #EVCharging #CleanEnergy" Comment Below ? Now

"Charging up for a sustainable future! ⚡? Excited about the intersection of solar energy and EV charging stations. Harnessing the power of the sun to fuel our electric vehicles – it doesn't get cleaner than this! Join the journey toward a greener tomorrow. ?☀️ #SolarPower #EVCharging #CleanEnergy" Comment Below ? Now

Avatar for RSS Solar

RSS Solar

No reviews yet

RSS Solar

No reviews yet
Free onsite estimate

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.

Percolation Consulting, LLC

No reviews yet

Percolation Consulting, LLC

No reviews yet

Integrated solar energy solutions: photovoltaic, solar-thermal, battery storage and heat pumps. We are not tied to any specific PV manufacturer and will source the best solution for your location and situation. Solar energy is no longer idealists' domain - it makes solid financial sense. Whether your goal is to minimize the time until your solar installation is paid off, or you want to ride out the Zombie apocalypse in comfortable energy self-sufficiency, we have the perfect solution for your location and building use. Contrary to popular perception, year-round self-sufficiency can be reasonably achieved in the Midwest. We have close relationships to vendors of weekly and seasonal energy storage systems which will keep lights and heat on year-round.

Integrated solar energy solutions: photovoltaic, solar-thermal, battery storage and heat pumps. We are not tied to any specific PV manufacturer and will source the best solution for your location and situation. Solar energy is no longer idealists' domain - it makes solid financial sense. Whether your goal is to minimize the time until your solar installation is paid off, or you want to ride out the Zombie apocalypse in comfortable energy self-sufficiency, we have the perfect solution for your location and building use. Contrary to popular perception, year-round self-sufficiency can be reasonably achieved in the Midwest. We have close relationships to vendors of weekly and seasonal energy storage systems which will keep lights and heat on year-round.

Drews Solar

5.00(
14
)

Drews Solar

5.00(
14
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Drews Solar is a one-man business, where each project receives my full attention. I cover all aspects of the business, including site visits, design, installation and customer service. My customers appreciate the ease of working with the same person every step of the way, and I think you’ll feel the same. I show up on time, am easy to contact throughout the process, I set realistic expectations with customers, and never cut corners with my work. I treat each home like it were my own – my installations are clean and sleek, and I choose quality equipment that is highly-reliable and looks good on your home.

"Mike and Maria Drews promptly and informatively answered the many questions we emailed them. Mike came to our home in order to prepare a formal bid, and he spent about 45 minutes assessing every aspect of the roof, house, garage, basement, electrical panel, internet, asking loads of questions to ensure he knew what we wanted. Drews started the installation right on schedule, and it went as smoothly as any home project we’ve ever had done. Mike and Maria were in regular communication with us all the way through, answering questions and offering explanations, and they went out of their way to make sure we felt heard and got the answers we needed. The crew was prompt, courteous and very, very competent. They did a stellar job of the installation, got all the required city inspections done, got the MG&E sign-off on the installation, and did a truly superior job of cleaning up the job site each day. Drews Solar is simply the best there is - local, competent, ethical and terrific!"

Karen M on August 2023

Drews Solar is a one-man business, where each project receives my full attention. I cover all aspects of the business, including site visits, design, installation and customer service. My customers appreciate the ease of working with the same person every step of the way, and I think you’ll feel the same. I show up on time, am easy to contact throughout the process, I set realistic expectations with customers, and never cut corners with my work. I treat each home like it were my own – my installations are clean and sleek, and I choose quality equipment that is highly-reliable and looks good on your home.

"Mike and Maria Drews promptly and informatively answered the many questions we emailed them. Mike came to our home in order to prepare a formal bid, and he spent about 45 minutes assessing every aspect of the roof, house, garage, basement, electrical panel, internet, asking loads of questions to ensure he knew what we wanted. Drews started the installation right on schedule, and it went as smoothly as any home project we’ve ever had done. Mike and Maria were in regular communication with us all the way through, answering questions and offering explanations, and they went out of their way to make sure we felt heard and got the answers we needed. The crew was prompt, courteous and very, very competent. They did a stellar job of the installation, got all the required city inspections done, got the MG&E sign-off on the installation, and did a truly superior job of cleaning up the job site each day. Drews Solar is simply the best there is - local, competent, ethical and terrific!"

Karen M on August 2023

Solar Wolf Energy

2.00(
2
)

Solar Wolf Energy

2.00(
2
)
10 years of experience

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

Madison Roofing & Repair

No reviews yet

Madison Roofing & Repair

No reviews yet
10 years of experience

A trustworthy local roofing contractor or roofing company is sometimes difficult to find. We get it. Madison Roofing & Repair will partner with you on your roofing or siding project so your exact expectations are met and surpassed.

A trustworthy local roofing contractor or roofing company is sometimes difficult to find. We get it. Madison Roofing & Repair will partner with you on your roofing or siding project so your exact expectations are met and surpassed.

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Solar Panels questions, answered by experts

The best way to save money on solar panels is to take advantage of federal and state solar incentives. For example, the solar investment tax credit (ITC) offered by the federal government can save 30% of your total—if you can take the entire credit, which is based on income taxes owed—or an average of around $9,000. You can check the Database of State Incentives for Renewables and Efficiency (DSIRE) for state and local incentives that could save you even more.

Most solar panels last 25 to 30 years and have a warranty to match. Over time, you’ll see a diminishing electrical output. This is normal wear, but certain things can hasten solar degradation. These include heavy rainfall, high temperatures, constant humidity that corrodes the frame, and cracks or chips in the glass.

You’ll need to make sure you have a big enough solar panel to meet your well pump’s power demands, but you can use solar power to fully operate your well pump. It’s also a good idea to have battery storage to hold the solar power so you can still use your well pump after dark.

Professionals use the same methods to install solar shingles that they do for asphalt shingles, so you’ll often see a similar installation timeline of one to two days. The amount of time required will depend on the size and slope of your roof and the number of shingles installed. Weather conditions can delay installation, as working on a roof is unsafe during high winds or heavy rain.

Solar panels have a life span between 10 and 40 years, depending on the type of panel. For example, monocrystalline panels can last up to 40 years, while thin-film ones only last between 10 and 20 years. The longevity also comes down to keeping up with solar panel repairs and their related costs .

The Portage, WI homeowners’ guide to solar panel services

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

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