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    Verified boiler installation services reviews

Find Boiler installation pros in Cottage Grove

Avatar for Aqua Well & Pump Systems, Inc

Aqua Well & Pump Systems, Inc

124 Oakridge Dr
4.60(
70
)
Approved Pro

Aqua Well & Pump Systems, Inc

124 Oakridge Dr
4.60(
70
)
Approved Pro
Customers say: True professional
84 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 Kegonsa Plumbing

Kegonsa Plumbing

4226 Neptune Ct
4.92(
13
)
Approved Pro

Kegonsa Plumbing

4226 Neptune Ct
4.92(
13
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
42 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 KJM Plumbing

KJM Plumbing

3776 North Point Road
4.83(
24
)
Approved Pro

KJM Plumbing

3776 North Point Road
4.83(
24
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% 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 is the first company who responded to my inquiry on Angie's List. After taking to a couple of companies, I eventually selected KJM to replace an 80 ga electric water heater with a 50 ga hybrid electric water heater with a heat pump, partly because I read a review about Kurt helped out a senior fix a problem on a weekend even without charging her and I would like to support good people's businesses. It doesn't appear to me that many local companies have a lot of experience with hybrid water heater yet. Kurt appeared to be knowledgeable, and always communicated promptly. Kurt and Duke showed up on time on the scheduled date and did an excellent job replacing the water heater. They are pleasant and caring people to deal with. They cleaned up well and I would use them again. Actually I already asked Kurt to help fix a leaking faucet in the house, and I will update the review on whether they consistently deliver excellent service and value."

Yang T on February 2020

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 is the first company who responded to my inquiry on Angie's List. After taking to a couple of companies, I eventually selected KJM to replace an 80 ga electric water heater with a 50 ga hybrid electric water heater with a heat pump, partly because I read a review about Kurt helped out a senior fix a problem on a weekend even without charging her and I would like to support good people's businesses. It doesn't appear to me that many local companies have a lot of experience with hybrid water heater yet. Kurt appeared to be knowledgeable, and always communicated promptly. Kurt and Duke showed up on time on the scheduled date and did an excellent job replacing the water heater. They are pleasant and caring people to deal with. They cleaned up well and I would use them again. Actually I already asked Kurt to help fix a leaking faucet in the house, and I will update the review on whether they consistently deliver excellent service and value."

Yang T on February 2020


Avatar for JLF Plumbing LLC

JLF Plumbing LLC

5241 Dommers Dr
4.47(
36
)
Approved Pro

JLF Plumbing LLC

5241 Dommers Dr
4.47(
36
)
Approved Pro
Customers say: Quality work
61 local quotes requested
51 years of experience

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 Cardinal Heating & Air Conditioning

Cardinal Heating & Air Conditioning

3361 BROOKS DR
4.88(
136
)
Approved Pro

Cardinal Heating & Air Conditioning

3361 BROOKS DR
4.88(
136
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
153 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!

"Prompt, professional, friendly service, efficient"

Patricia H on September 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!

"Prompt, professional, friendly service, efficient"

Patricia H on September 2025


Avatar for Advanced Home Services

Advanced Home Services

837 Royster Ave
4.59(
128
)
Approved Pro

Advanced Home Services

837 Royster Ave
4.59(
128
)
Approved Pro
Customers say: Super punctual
150 local quotes requested
40 years of experience

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

"This is the 2nd time we've used AHS (Advanced Home Services). Monty is always very professional and efficient. He arrived this afternoon, took a look at the job and took care of it right away. Very professional, very personable and the price was more than fair! We will definitely use AHS again!"

Steve E on March 2024

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

"This is the 2nd time we've used AHS (Advanced Home Services). Monty is always very professional and efficient. He arrived this afternoon, took a look at the job and took care of it right away. Very professional, very personable and the price was more than fair! We will definitely use AHS again!"

Steve E on March 2024


Avatar for Exterior Pros, LLC

Exterior Pros, LLC

W227 N6270 Sussex Road
4.53(
34
)
Approved Pro

Exterior Pros, LLC

W227 N6270 Sussex Road
4.53(
34
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
14 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


Collins Sanitary, LLC

303 Industrial Drive
4.76(
128
)
Approved Pro

Collins Sanitary, LLC

303 Industrial Drive
4.76(
128
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
37 local quotes requested

Collins Sanitary, LLC, provides services with over 30 years experience that includes complete installation of septic systems and low-cost septic tank cleaning services. We also have a master plumber on staff to take care of all of your plumbing needs, from a leaky faucet to a new installation or remodel. We specialize in making tub/showers handi-cap accessible or senior citizen friendly with removal and re-install all in one day. We cater to commercial, industrial, agricultural, and residential clients in Wisconsin and Illinois. We are also a proud member of the Better Business Bureau (BBB). Contact Collins Sanitary, LLC, today for your free estimate.

"They arrived on time, explained the job me and were courteous."

Carol W on May 2023

Collins Sanitary, LLC, provides services with over 30 years experience that includes complete installation of septic systems and low-cost septic tank cleaning services. We also have a master plumber on staff to take care of all of your plumbing needs, from a leaky faucet to a new installation or remodel. We specialize in making tub/showers handi-cap accessible or senior citizen friendly with removal and re-install all in one day. We cater to commercial, industrial, agricultural, and residential clients in Wisconsin and Illinois. We are also a proud member of the Better Business Bureau (BBB). Contact Collins Sanitary, LLC, today for your free estimate.

"They arrived on time, explained the job me and were courteous."

Carol W on May 2023


Avatar for KJM Plumbing

KJM Plumbing

3776 North Point Road
4.90(
275
)
Approved Pro

KJM Plumbing

3776 North Point Road
4.90(
275
)
Approved Pro
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
45 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


Basement Repair Specialists, LLC

1400 S. Van Dyke Rd.
4.56(
35
)
Approved Pro

Basement Repair Specialists, LLC

1400 S. Van Dyke Rd.
4.56(
35
)
Approved Pro
Super Service Award
Customers say: Quality work
114 local quotes requested
16 years of experience

At Basement Repair Specialists, we liked the idea of giving people a good deal so much that we trademarked it! That’s right, in October 2014 the US Patent and Trademark Office granted Basement Repair Specialists a trademark for our corporate motto “A Great Job at a Great Price®” From our first days in business, Basement Repair Specialists has been committed to offering excellent work at a reasonable price. Treating customers fairly is a part of our company culture, and you will be very happy you selected Basement Repair Specialists for your project. We offer the following services: Repair of failing, leaning, or collapsed basement walls Water control, sump pumps, and general drainage issues Helical piers, resistance piers and other solutions to settling foundations and footings Egress windows Dehumidifiers

"I could not believe what they did in only two days. It is so nice to not have water anymore. The salesman really knew and understood the project and what it would take to get it done."

Faith N on September 2024

At Basement Repair Specialists, we liked the idea of giving people a good deal so much that we trademarked it! That’s right, in October 2014 the US Patent and Trademark Office granted Basement Repair Specialists a trademark for our corporate motto “A Great Job at a Great Price®” From our first days in business, Basement Repair Specialists has been committed to offering excellent work at a reasonable price. Treating customers fairly is a part of our company culture, and you will be very happy you selected Basement Repair Specialists for your project. We offer the following services: Repair of failing, leaning, or collapsed basement walls Water control, sump pumps, and general drainage issues Helical piers, resistance piers and other solutions to settling foundations and footings Egress windows Dehumidifiers

"I could not believe what they did in only two days. It is so nice to not have water anymore. The salesman really knew and understood the project and what it would take to get it done."

Faith N on September 2024

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Install Boiler questions, answered by experts

Overall, heating your home with an oil furnace tends to be less expensive than heating your home with an electric heating system. Oil heating systems stay warm for longer periods of time without drawing a constant electrical current to maintain a temperature. Plus, heating oil systems typically have a longer lifespan and lower price tag than their electrical counterparts, resulting in short- and long-term savings.

Each has its pros and cons, but hydronic heaters typically cost less to use than electric heaters, and they’re slightly more efficient than electric options. On the other hand, a hydronic heater usually takes a bit longer to heat up a room than an electric heater. The “better” choice depends on your needs and budget.

The cost of heating oil fluctuates rapidly based on supply and demand, but the average price is between $4.00 and $4.50 per gallon, which means filling a standard 275-gallon tank would cost between $1,100 and $1,240. Much like automotive gasoline, the price of home heating oil changes constantly, so the only way to get an accurate and current price per gallon is to contact a heating oil delivery company. Some companies also offer contracts with a set price that should be an average cost over the contract term.

Depending on the size of your home and system, as well as any upgrades or add-ons you choose, it may take between three and five days to completely replace an existing HVAC system from start to finish. Your contractor should be able to give you an estimate before they begin the actual replacement.

Yes, government incentives and programs are available to encourage energy-efficient upgrades in many regions. These incentives may include tax credits, rebates, grants, and low-interest loans for homeowners who invest in energy-efficient improvements such as HVAC system upgrades, insulation, and efficient windows. The availability and specific details of these incentives can vary by location, so check with your local government or utility company to explore your options.

By submitting this question, I acknowledge and agree that Angi may publicly display my name, city, state, and question on the website for professionals and others to see.

The Cottage Grove, WI homeowners’ guide to boiler installation services

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