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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
162 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 KJM Plumbing

KJM Plumbing

5.00(
21
)
Approved Pro

KJM Plumbing

5.00(
21
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
66 local quotes requested

We take pride in the quality of work and customer satisfaction that we give each and every customer. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. 7 days a week. Call us today to learn more about how we can help you.

"KJM Plumbing was GREAT! Recommended a person to repair the sink and adjusted the schedule so that they could promptly reconnect the plumbing when the job was done. I am very happy with their service and will use them again in the future."

Sue F on August 2025

We take pride in the quality of work and customer satisfaction that we give each and every customer. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. 7 days a week. Call us today to learn more about how we can help you.

"KJM Plumbing was GREAT! Recommended a person to repair the sink and adjusted the schedule so that they could promptly reconnect the plumbing when the job was done. I am very happy with their service and will use them again in the future."

Sue F on August 2025


NowSolar

No reviews yet

NowSolar

No reviews yet
12 years of experience

NowSolar is your premier choice for solar energy solutions. Our experienced team specializes in designing and installing efficient solar systems for homes and businesses. With a commitment to sustainability and cutting-edge technology, we deliver high-quality results that save you money and reduce your carbon footprint. Join us in embracing a brighter, greener future with NowSolar.

NowSolar is your premier choice for solar energy solutions. Our experienced team specializes in designing and installing efficient solar systems for homes and businesses. With a commitment to sustainability and cutting-edge technology, we deliver high-quality results that save you money and reduce your carbon footprint. Join us in embracing a brighter, greener future with NowSolar.



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

While you can install solar panels by yourself, it can be a complicated process full of lots of manual labor, risky roof work, and knowledge of electrical wiring. Most solar panel installation projects should be reserved for a trained professional—especially if you plan on connecting your panels to the electrical grid rather than for off-grid use, which doesn’t require utility services.

The average homeowner needs around 22 solar panels, but the exact number depends on your monthly energy consumption. Your solar professional should size your array to offset your consumption, meaning you’ll need fewer panels if you use below-average amounts of electricity, or more than 22 if you use above-average amounts of electricity. The number of panels also depends on the output of each panel. The average is around 400 watts, but you might need more panels if you install less capable equipment. Since there are so many variables, you should have a professional size your system.

Ideally, you want to place them facing true south. This is different from what a compass shows, which is called the magnetic south. You can find true south by using an online calculator as long as you know the longitude and latitude of your property. Solar panel placement is key to maximizing the energy you generate, so this is an important step.

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.

The average cost to install solar panels is around $26,600, and most homeowners pay between $4,500 and $53,000. Keep in mind that these prices don’t consider the federal investment tax credit (ITC), which can effectively reduce those costs by up to 30%. The price you can expect to pay for solar panel installation depends on the size of the system, where you live, the type and brand of panels, and the labor costs. Get price quotes from at least three solar companies in your area to find the best deal.

The Arlington, WI homeowners’ guide to solar panel services

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