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TRUSTED BY SUN PRAIRIE, WI HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon267
    Verified boiler installation services reviews

Find Boiler installation pros in Sun Prairie

Avatar for KJM Plumbing

KJM Plumbing

4.90(
275
)
Approved Pro

KJM Plumbing

4.90(
275
)
Approved Pro
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
33 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.

"great"

Jem H on June 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.

"great"

Jem H on June 2025


Avatar for Exterior Pros, LLC

Exterior Pros, LLC

4.53(
34
)
Approved Pro

Exterior Pros, LLC

4.53(
34
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
34 local quotes requested

We are a family owned home improvement company out of Sussex Wisconsin. We service Waukesha, Milwaukee, Washington, & parts of Ozaukee, Dodge, Racine, and Kenosha counties. We focus on the quality products we install & service, while maintaining a high level of customer service. We are proud to be recognized as a GAF Master Elite Contractor for roofing projects. We also provide fantastic siding & windows, as well as entry doors. We also specialize in bathroom and shower areas, converting tubs to showers or showers to tubs. Beautiful acrylic shower surrounds or tub liner inserts make any old bathroom wet space new again. We work efficiently with our resources to ensure your project is completed on time and on budget. We bring old-world, quality craftsmanship to every unique project we take on. We are licensed and insured & look forward to building strong, long-lasting relationships with our clients and guarantee your satisfaction. Call today for a Free Estimate 262-456-3530

"the contractor did a great job"

Vicki S on January 2023

We are a family owned home improvement company out of Sussex Wisconsin. We service Waukesha, Milwaukee, Washington, & parts of Ozaukee, Dodge, Racine, and Kenosha counties. We focus on the quality products we install & service, while maintaining a high level of customer service. We are proud to be recognized as a GAF Master Elite Contractor for roofing projects. We also provide fantastic siding & windows, as well as entry doors. We also specialize in bathroom and shower areas, converting tubs to showers or showers to tubs. Beautiful acrylic shower surrounds or tub liner inserts make any old bathroom wet space new again. We work efficiently with our resources to ensure your project is completed on time and on budget. We bring old-world, quality craftsmanship to every unique project we take on. We are licensed and insured & look forward to building strong, long-lasting relationships with our clients and guarantee your satisfaction. Call today for a Free Estimate 262-456-3530

"the contractor did a great job"

Vicki S on January 2023


Avatar for Mad City Windows & Baths

Mad City Windows & Baths

4.78(
3,050
)
Approved Pro

Mad City Windows & Baths

4.78(
3,050
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
281 local quotes requested

We are the premier home improvement company in Madison, Green Bay, Milwaukee & throughout Wisconsin with years of experience and countless home improvement projects to prove it. We’re locally owned and operated so we know what works best in this climate and we choose quality products designed with Wisconsin area homeowners in mind. Whether you need replacement windows, vinyl siding, bathrooms, or metal roofing our professional installers will leave your home looking great.

"For a long time, I have been thinking about converting the bath and shower in my upstairs bathroom to a walk-in shower. After meeting with Sales Rep Ryan Latko and finding out that Mad City Home Improvement had a lifetime, transferable non-prorated all-inclusive warranty, I gladly picked out all the items I would need for my shower and said to get me on the schedule for my install. And then on Tuesday, November 25, Walter showed up to do my demolition and new install. Walter worked all day Tuesday, Wednesday, and Friday (Thursday was Thanksgiving) and I could not be more pleased with the final product – my new and exciting walk-in shower. I spent time each day watching Walter work, asking questions, and making a photo diary of the entire process. If I had to tell someone what I thought of Walter, I would say he was extremely personable, a definite perfectionist, and an absolute wonderful individual as a person and as an employee of Mad City Home Improvement. I guess you can tell at this point that I am 100% satisfied with the entire process to get my new and beautiful walk-in shower and would highly recommend Mad City Home Improvement to anyone who is considering this kind of addition to their own home. I would like to include a before and after picture so you could judge for yourself what a beautiful job that Walter did and understand my excitement with my new walk-in shower, but that feature wasn't available - but look at the similar posting I made on Facebook and you will see the pictures."

J. C on December 2025

We are the premier home improvement company in Madison, Green Bay, Milwaukee & throughout Wisconsin with years of experience and countless home improvement projects to prove it. We’re locally owned and operated so we know what works best in this climate and we choose quality products designed with Wisconsin area homeowners in mind. Whether you need replacement windows, vinyl siding, bathrooms, or metal roofing our professional installers will leave your home looking great.

"For a long time, I have been thinking about converting the bath and shower in my upstairs bathroom to a walk-in shower. After meeting with Sales Rep Ryan Latko and finding out that Mad City Home Improvement had a lifetime, transferable non-prorated all-inclusive warranty, I gladly picked out all the items I would need for my shower and said to get me on the schedule for my install. And then on Tuesday, November 25, Walter showed up to do my demolition and new install. Walter worked all day Tuesday, Wednesday, and Friday (Thursday was Thanksgiving) and I could not be more pleased with the final product – my new and exciting walk-in shower. I spent time each day watching Walter work, asking questions, and making a photo diary of the entire process. If I had to tell someone what I thought of Walter, I would say he was extremely personable, a definite perfectionist, and an absolute wonderful individual as a person and as an employee of Mad City Home Improvement. I guess you can tell at this point that I am 100% satisfied with the entire process to get my new and beautiful walk-in shower and would highly recommend Mad City Home Improvement to anyone who is considering this kind of addition to their own home. I would like to include a before and after picture so you could judge for yourself what a beautiful job that Walter did and understand my excitement with my new walk-in shower, but that feature wasn't available - but look at the similar posting I made on Facebook and you will see the pictures."

J. C on December 2025


Avatar for All Comfort Services

All Comfort Services

5.00(
6
)
Approved Pro

All Comfort Services

5.00(
6
)
Approved Pro
82 local quotes requested
52 years of experience

All Comfort Services is a 50+ year old employee-owned heating, cooling, plumbing, and electrical contractor serving residential and commercial customers in Dane and parts of Rock, Columbia, and Jefferson counties. We may need to confirm a specific zip code that we service. Our team understands that when you call a local electrician, you need a trained, certified, and insured professional who will arrive on time and be ready to provide the solutions you need. Our repair dispatch fee is $149.

"They explained me that the service was not needed, I'm very impressed and thankful for explaining me the situation."

Candace B on October 2025

All Comfort Services is a 50+ year old employee-owned heating, cooling, plumbing, and electrical contractor serving residential and commercial customers in Dane and parts of Rock, Columbia, and Jefferson counties. We may need to confirm a specific zip code that we service. Our team understands that when you call a local electrician, you need a trained, certified, and insured professional who will arrive on time and be ready to provide the solutions you need. Our repair dispatch fee is $149.

"They explained me that the service was not needed, I'm very impressed and thankful for explaining me the situation."

Candace B on October 2025


"Responded right away and he responded right away, came out right away. We talked before he came out, so you know, I would be comfortable with his, you know, his demeanor and stuff. so it worked really well. "

Ann B on December 2025

In business since 1985 with over 35 years of experience. Family owned and operated. Home repairs, improvements and installations.

"Responded right away and he responded right away, came out right away. We talked before he came out, so you know, I would be comfortable with his, you know, his demeanor and stuff. so it worked really well. "

Ann B on December 2025


Avatar for Keller Builders LLC

Keller Builders LLC

4.20(
5
)
Approved Pro

Keller Builders LLC

4.20(
5
)
Approved Pro
Customers say: Quality work
35 local quotes requested
Free onsite estimate

We have the experience and dedication to do the job right the first time! We guarantee your satisfaction, and we won’t leave until the job is done right. Call to schedule an estimate today! May contact through email.

"They completed several projects for me. I appreciated the careful attention to doing good work. Each time, I was pleased with the finished look and function."

Karen K on March 2021

We have the experience and dedication to do the job right the first time! We guarantee your satisfaction, and we won’t leave until the job is done right. Call to schedule an estimate today! May contact through email.

"They completed several projects for me. I appreciated the careful attention to doing good work. Each time, I was pleased with the finished look and function."

Karen K on March 2021


Avatar for Steele Home Remodeling LLC

Steele Home Remodeling LLC

4.90(
31
)
Approved Pro

Steele Home Remodeling LLC

4.90(
31
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
49 local quotes requested

Steele Home Remodeling LLC is a Family owned and operated company that focuses on Kitchen, Bathroom, Basement Remodeling and Home Repairs. Steele Home Remodeling LLC provides quality workmanship and customer service with over 25 years of experience. Based in Madison, WI. Working with trusted, skilled tradesman and vendors our company provides top notch Remodeling and Repair service. We specialize in getting clients through projects both large and small. Steele Home Remodeling LLC is a full-service contracting company that can handle all of your properties needs. We bring integrity, reliability and expertise to every project, substantiated by the testimonials of our many satisfied customers. Whether its a large or small project, we will work with you every step of the way to ensure that your it is completed to your satisfaction with the highest quality, efficiency and within your budget.

"We really appreciated working with Steele Home Remodeling. His bid was comprehensive and detailed. He provided unique design ideas for our space and helped us get the most out of our basement. Phill and his team provide quality work with an eye for small details that make the project and space come to life. I have already recommended him to family and friends looking for basement remodels."

Brett M on February 2025

Steele Home Remodeling LLC is a Family owned and operated company that focuses on Kitchen, Bathroom, Basement Remodeling and Home Repairs. Steele Home Remodeling LLC provides quality workmanship and customer service with over 25 years of experience. Based in Madison, WI. Working with trusted, skilled tradesman and vendors our company provides top notch Remodeling and Repair service. We specialize in getting clients through projects both large and small. Steele Home Remodeling LLC is a full-service contracting company that can handle all of your properties needs. We bring integrity, reliability and expertise to every project, substantiated by the testimonials of our many satisfied customers. Whether its a large or small project, we will work with you every step of the way to ensure that your it is completed to your satisfaction with the highest quality, efficiency and within your budget.

"We really appreciated working with Steele Home Remodeling. His bid was comprehensive and detailed. He provided unique design ideas for our space and helped us get the most out of our basement. Phill and his team provide quality work with an eye for small details that make the project and space come to life. I have already recommended him to family and friends looking for basement remodels."

Brett M on February 2025


Avatar for Kegonsa Plumbing

Kegonsa Plumbing

4.92(
13
)
Approved Pro

Kegonsa Plumbing

4.92(
13
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
45 local quotes requested

Kegonsa Plumbing was founded in March 2018 by Luke Elsing. After 13 years of plumbing experience, he was exposed to several different owners and management styles. Luke decided to be a different kind of business and prioritize doing what’s best for his customers over his own profit margins. By sourcing only the highest quality products with solid warranties and doing craftsman-quality work on every job, Kegonsa Plumbing earned an A rating on Angie’s List in our very first year of business.

"We used Kegonsa Remodeling for a major kitchen renovation in a nearly 100-year-old house. Before the remodel everything in the kitchen looked cheap and worn down (think 1970s brown, everywhere!), and the overall arrangement of the space was really inefficient. They came in and proposed a design that was the best balance of affordability and ideal features out of half a dozen contractors we interviewed. Once we began working with them, they provided consistent updates and met with us on a regular basis, enough so that even with unavoidable pandemic slowdowns, it still felt like the project was always moving forward. Once the remodel began, they had nearly daily updates for us on what was coming next, and the project actually finished ahead of schedule! Now we have a kitchen that has at least 3x the workspace, a significantly improved flow, and easily twice as much storage as our previous one did. We get compliments all the time, and recommend Kegonsa's work any chance we get!"

Kate D on December 2022

Kegonsa Plumbing was founded in March 2018 by Luke Elsing. After 13 years of plumbing experience, he was exposed to several different owners and management styles. Luke decided to be a different kind of business and prioritize doing what’s best for his customers over his own profit margins. By sourcing only the highest quality products with solid warranties and doing craftsman-quality work on every job, Kegonsa Plumbing earned an A rating on Angie’s List in our very first year of business.

"We used Kegonsa Remodeling for a major kitchen renovation in a nearly 100-year-old house. Before the remodel everything in the kitchen looked cheap and worn down (think 1970s brown, everywhere!), and the overall arrangement of the space was really inefficient. They came in and proposed a design that was the best balance of affordability and ideal features out of half a dozen contractors we interviewed. Once we began working with them, they provided consistent updates and met with us on a regular basis, enough so that even with unavoidable pandemic slowdowns, it still felt like the project was always moving forward. Once the remodel began, they had nearly daily updates for us on what was coming next, and the project actually finished ahead of schedule! Now we have a kitchen that has at least 3x the workspace, a significantly improved flow, and easily twice as much storage as our previous one did. We get compliments all the time, and recommend Kegonsa's work any chance we get!"

Kate D on December 2022


Avatar for Aqua Well & Pump Systems Inc

Aqua Well & Pump Systems Inc

4.64(
67
)
Approved Pro

Aqua Well & Pump Systems Inc

4.64(
67
)
Approved Pro
Customers say: True professional
39 local quotes requested
38 years of experience

Aqua Well & Pump Systems, Inc., is a 3rd generation; family owned & operated, well and pump service company, serving all of Southeastern Wisconsin. Our mission at Aqua is to provide our customers with a safe, reliable water supply, while safe guarding & promoting the protection of our most precious resource. To accomplish this mission, Aqua is dedicated to investing in promotion, equipment, & most of all people who share the same core values of knowledge, integrity, hard work, & honesty. Aqua provides pump & well drilling service for residential, industrial, commercial, & farm applications. services.

"They were quick and efficient"

Carol F on September 2025

Aqua Well & Pump Systems, Inc., is a 3rd generation; family owned & operated, well and pump service company, serving all of Southeastern Wisconsin. Our mission at Aqua is to provide our customers with a safe, reliable water supply, while safe guarding & promoting the protection of our most precious resource. To accomplish this mission, Aqua is dedicated to investing in promotion, equipment, & most of all people who share the same core values of knowledge, integrity, hard work, & honesty. Aqua provides pump & well drilling service for residential, industrial, commercial, & farm applications. services.

"They were quick and efficient"

Carol F on September 2025


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
144 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

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Install Boiler questions, answered by experts

Most experts recommend getting three to five HVAC quotes from licensed, insured, reputable local heating and cooling companies. Getting multiple detailed HVAC quotes (but not too many) lets you compare the equipment, services, and prices of several contractors without being overwhelmed by options. It can also let you see if one contractor’s prices are much higher or lower than the others and give you a chance to ask for clarification. That way, you can weed out any contractors who aren’t providing quality services or materials and find the company that best meets your budget, quality requirements, and long-term goals.

With proper maintenance, boilers last for around 15 years on average. A cast iron boiler may last longer, over 20 years, but you should always consider the efficiency of older boilers and opt to replace an old one if it’s significantly lower than newer, high-efficiency boilers. Otherwise, you’ll be spending more on your utility bills each month.

No. Boilers and water heaters are not interchangeable because they serve different purposes. A water heater will never be able to supply warm water or steam for your central heating system. In most homes, a boiler and a water heater may be combined to provide heating and daily use of hot water. Other homes may opt for a furnace over a boiler for their heating needs.

Always consult your manual for specific pressure numbers. Many expansion tanks come pre-pressurized at a specific PSI range, anywhere from 12 to 40 PSI, designed for a range of home boilers. You should not have to pressurize an expansion tank yourself, only the boiler system. If your system has a tank that needs to be manually pressurized, this is generally a job for professionals and their tools.

The best time to buy home heating oil is in the summer when the demand is lowest, as the prices are usually lower. However, waiting until the summer to buy is often unavoidable unless you install a separate storage tank. If you have the space for a second tank, you can expect to pay between $1,000 and $4,000 for the oil tank replacement or installation, depending on the capacity and location. You could quickly recuperate these costs, though, by stocking up on heating oil in the summer and avoiding deliveries in the winter when prices are highest.

The Sun Prairie, WI homeowners’ guide to boiler installation services

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