
Get matched with top boiler repair pros in Union, SC
There are 6 highly-rated local boiler repair pros.
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Verified Reviews for Boiler Repair pros in Union, SC
*The Angi rating for Boiler Repair companies in Union, SC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Repair needs.
*The HomeAdvisor rating for Boiler Repair companies in Union, SC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Repair needs.
Last update on November 30, 2025
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Ka'Vontay's Door Installation
Ka'Vontay's Door Installation
Kavontay's is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.
Kavontay's is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

'58 Foundations
'58 Foundations
For over 66 years, '58 Foundations & Waterproofing has provided the highest-quality basement waterproofing, crawl space encapsulation, foundation repair, and mold removal. We lead with a promise of Trusted Five-Star Service, which means the customer experience is at the center of everything we do. Since 1958, we have been steadfast in keeping this promise and upholding the values upon which '58 Foundations & Waterproofing was built: trust, teamwork, integrity, respect, and communication. From the initial call to job completion, our customers are met with knowledgeable, caring, and professional staff prepared to offer a five-star experience that is unmatched in the home repair industry. What’s more, you can enjoy the peace of mind that comes with our lifetime warranty and our industry-unique money-back guarantee!
"The work crew's foreman Aaron was very professional and extremely knowledgeable. His crewmembers Rusty, Otis, and Dizzy, all worked very hard and efficiently 2 remove the old and unnecessary insulation and Black netting that was causing moisture build up in my crawlspace. They removed all the debris, cleaned up the work area, and left my crawlspace looking beautiful , and moisture free! I would highly recommend '58 Foundation! Their prices also beat their competitors by thousands of dollars! I am very satisfied with the work ethic of this Company!"
SUSAN F on September 2023
For over 66 years, '58 Foundations & Waterproofing has provided the highest-quality basement waterproofing, crawl space encapsulation, foundation repair, and mold removal. We lead with a promise of Trusted Five-Star Service, which means the customer experience is at the center of everything we do. Since 1958, we have been steadfast in keeping this promise and upholding the values upon which '58 Foundations & Waterproofing was built: trust, teamwork, integrity, respect, and communication. From the initial call to job completion, our customers are met with knowledgeable, caring, and professional staff prepared to offer a five-star experience that is unmatched in the home repair industry. What’s more, you can enjoy the peace of mind that comes with our lifetime warranty and our industry-unique money-back guarantee!
"The work crew's foreman Aaron was very professional and extremely knowledgeable. His crewmembers Rusty, Otis, and Dizzy, all worked very hard and efficiently 2 remove the old and unnecessary insulation and Black netting that was causing moisture build up in my crawlspace. They removed all the debris, cleaned up the work area, and left my crawlspace looking beautiful , and moisture free! I would highly recommend '58 Foundation! Their prices also beat their competitors by thousands of dollars! I am very satisfied with the work ethic of this Company!"
SUSAN F on September 2023

Hvac Service Corporation
Hvac Service Corporation
We have extensive experience providing design, construction, installation and on going maintenance for all of our service lines across a diverse spectrum of industries and asset types. Founded over 75 years ago, HVAC Service Corporation has been a cornerstone in the Carolinas for reliable and efficient HVAC solutions. Our commitment to quality service and customer satisfaction has made us a trusted name in the industry. We are licensed and insured in North Carolina, South Carolina, and parts of Georgia, with our headquarters located in Gastonia, NC. Our mission is to provide top-notch commercial heating and air conditioning services that meet the unique needs of our clients.
We have extensive experience providing design, construction, installation and on going maintenance for all of our service lines across a diverse spectrum of industries and asset types. Founded over 75 years ago, HVAC Service Corporation has been a cornerstone in the Carolinas for reliable and efficient HVAC solutions. Our commitment to quality service and customer satisfaction has made us a trusted name in the industry. We are licensed and insured in North Carolina, South Carolina, and parts of Georgia, with our headquarters located in Gastonia, NC. Our mission is to provide top-notch commercial heating and air conditioning services that meet the unique needs of our clients.

Chris Foster Heating & Air
Chris Foster Heating & Air
With over 30 years experience, Chris Foster Heating & Air understands that it's important to do the job right the first time, and that we work for YOU. We will arrive on time and we get the job done right the first time. We offer a service warranty for peace of mind. There is no job too big or too small for us to handle, and we go above and beyond anyone else to make sure that we exceed your expectations. Our #1 goal is customer satisfaction and we can't wait to serve you and add you to our long list of happy customers. **FINANCING AVAILABLE - PLEASE CALL FOR DETAILS.**
"Solve my issue with a water leak on furnace. Fixed it with no issues. Other companies couldn't. Proficient and knowledgeable. Would use again. Fair price. Convenient. "
Tony L on August 2025
With over 30 years experience, Chris Foster Heating & Air understands that it's important to do the job right the first time, and that we work for YOU. We will arrive on time and we get the job done right the first time. We offer a service warranty for peace of mind. There is no job too big or too small for us to handle, and we go above and beyond anyone else to make sure that we exceed your expectations. Our #1 goal is customer satisfaction and we can't wait to serve you and add you to our long list of happy customers. **FINANCING AVAILABLE - PLEASE CALL FOR DETAILS.**
"Solve my issue with a water leak on furnace. Fixed it with no issues. Other companies couldn't. Proficient and knowledgeable. Would use again. Fair price. Convenient. "
Tony L on August 2025

HG Services
HG Services
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 our services offered and call or click to schedule an estimate today!
"Great! Joel was great to work with. He did an excellent job."
Bill L on October 2025
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 our services offered and call or click to schedule an estimate today!
"Great! Joel was great to work with. He did an excellent job."
Bill L on October 2025
Carolina Heating Service
Carolina Heating Service
At Carolina Heating Service, we're more than just your local HVAC expertswe're your neighbors, dedicated to providing the highest quality service to keep your home comfortable year-round. From expertly trained technicians to responsive communication, we're here to deliver peace of mind with every visit. Discover what sets us apart and why Greenville residents trust us for their heating, cooling, and generator needs. Carolina Heating Service was founded in 1981 by Horace and Scott Kelly, dedicated to providing top-notch HVAC and plumbing services in the Greenville, SC, area.
At Carolina Heating Service, we're more than just your local HVAC expertswe're your neighbors, dedicated to providing the highest quality service to keep your home comfortable year-round. From expertly trained technicians to responsive communication, we're here to deliver peace of mind with every visit. Discover what sets us apart and why Greenville residents trust us for their heating, cooling, and generator needs. Carolina Heating Service was founded in 1981 by Horace and Scott Kelly, dedicated to providing top-notch HVAC and plumbing services in the Greenville, SC, area.

Five Star Windows and Remodeling
Five Star Windows and Remodeling
Five Star Windows & Remodeling, LLC, is a great choice in Spartanburg County and the surrounding communities for all your home improvement needs! Five Star is bonded and licensed. Five Star Windows & Remodeling offers superior, first class remodeling, renovating, and repairing services for inside and outside your home. Check Five Star Windows & Remodeling at Home Advisor and Angie’s List. Five Star works hard to complete your project to your 100% satisfaction. Call 864-706-9939 today for a free estimate.
"I would like to express my gratitude to 5 STARWINDOWS & REMODELING LLC for the phenomenal job they did on our project ( SUNROOM ) there team was always courteous respectful and professional, I was impressed by there communication and ability to resolve unexpected issues swiftly." I would not hesitate to recommend 5 STAR REMODELING to others and look forward to working with them again."
Butch H on October 2025
Five Star Windows & Remodeling, LLC, is a great choice in Spartanburg County and the surrounding communities for all your home improvement needs! Five Star is bonded and licensed. Five Star Windows & Remodeling offers superior, first class remodeling, renovating, and repairing services for inside and outside your home. Check Five Star Windows & Remodeling at Home Advisor and Angie’s List. Five Star works hard to complete your project to your 100% satisfaction. Call 864-706-9939 today for a free estimate.
"I would like to express my gratitude to 5 STARWINDOWS & REMODELING LLC for the phenomenal job they did on our project ( SUNROOM ) there team was always courteous respectful and professional, I was impressed by there communication and ability to resolve unexpected issues swiftly." I would not hesitate to recommend 5 STAR REMODELING to others and look forward to working with them again."
Butch H on October 2025
Bentley's Heating & Air
Bentley's Heating & Air
Bentley's Heating and Air has been serving the upstate since 1991. A recent winner of several years of the Better Business Integrity Award shows that we strive for Excellency and 100% satisfaction. We are skilled in all aspects of the heating and cooling business. We sell and service all makes and models. There is never a job too big or too small. Mention Angie's list for a special discount!
"Robbie was excellent and found the source of a problem that my previous heating/air contractors missed."
Greg S on December 2019
Bentley's Heating and Air has been serving the upstate since 1991. A recent winner of several years of the Better Business Integrity Award shows that we strive for Excellency and 100% satisfaction. We are skilled in all aspects of the heating and cooling business. We sell and service all makes and models. There is never a job too big or too small. Mention Angie's list for a special discount!
"Robbie was excellent and found the source of a problem that my previous heating/air contractors missed."
Greg S on December 2019
Calvin Bray Quality Construction
Calvin Bray Quality Construction
With over 23 years of professional general contracting experience, we are here to address any renovation or remodeling need you may have.
"Exactly what I wanted with exceptional craftsmanship on our custom screened in porch and custom made Porch Swing."
Jim K on February 2024
With over 23 years of professional general contracting experience, we are here to address any renovation or remodeling need you may have.
"Exactly what I wanted with exceptional craftsmanship on our custom screened in porch and custom made Porch Swing."
Jim K on February 2024

Flaker Flooring L.L.C.
Flaker Flooring L.L.C.
Flaker Flooring is a family run business that provides quality install with respect to a customers home and a keen eye for detail. 25 years of experience gives Flaker Flooring the confidence to help a home owner reach their goals with flooring upgrades to their home... We take pride in our work and would love the chance to work in your home. "We got you covered..."Our company also provides Plumbing, electrical, and painting services.
"he came gave me 300 for the job since - came bk and i gave him 200 i held out 100- ever wk its some other excuse this has been going on for 3 wks -he just hung up on me"
Eileen L on August 2025
Flaker Flooring is a family run business that provides quality install with respect to a customers home and a keen eye for detail. 25 years of experience gives Flaker Flooring the confidence to help a home owner reach their goals with flooring upgrades to their home... We take pride in our work and would love the chance to work in your home. "We got you covered..."Our company also provides Plumbing, electrical, and painting services.
"he came gave me 300 for the job since - came bk and i gave him 200 i held out 100- ever wk its some other excuse this has been going on for 3 wks -he just hung up on me"
Eileen L on August 2025
The Union, SC homeowners’ guide to boiler repairs
From average costs to expert advice, get all the answers you need to get your job done.
•Discover the cost to install ductwork. Learn about average prices, cost factors, and tips to save money on your ductwork installation project.

Switching from oil to gas heating could impact your savings. This guide will help you understand the cost to convert from an oil furnace to a gas furnace.

Getting AC and furnace replacement done at the same time can lead to huge benefits for your wallet and your home. Here’s everything you need to know.

An HVAC zoning system makes your home more comfortable. Learn about installing a zone system, including HVAC zoning system costs and considerations.

Learn how to reset your boiler safely with our comprehensive guide. Don't let heating issues disrupt your comfort this winter.

Learn how to add Freon to your AC unit with our step-by-step guide, and keep your home cool with a properly functioning AC unit.
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