Duct Sealing in Greenville & Upstate SC

Serving Upstate South Carolina with trusted home comfort solutions since 1970.
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Duct leakage can have a detrimental impact on your indoor air quality. It has also led to cooling and heating system issues in homes throughout the Greenville and Spartanburg area. Over time, air pressure, thermal expansion and contraction, mechanical stress, corrosion, and contamination can lead to issues that cause air leaks. These may come from small holes, poor connections, or tears in your ductwork. Fortunately, our team is trained and equipped to assess the problem and provide an effective solution to duct leakage.

Waldrop provides professional duct sealing services to restore indoor air quality and HVAC efficiency. Y’all Call Wally  today to schedule an appointment.

Waldrop technician sealing air ducts

Sign That It’s Time For Air Duct Sealing

Your home may be telling you there are hidden duct leaks. To correct them, we use non-invasive methods like Aeroseal that avoid breaking through walls or floors to patch peaks in less accessible areas. Y’all Call Wally if you notice any of the following:

  • Increased Energy Bills: A leaky duct can lose up to 30% of the conditioned air in your home. To compensate, your HVAC unit will use more energy.

  • Odors: The air blowing from AC vents may smell stale or musty. The scent is caused by air entering through gaps from crawlspaces, attics, or spaces between walls.

  • Noises: If you hear pinging, rattling, or other unusual sounds from ducts, your ductwork may be damaged and potentially have an air leak.

  • Low Air Flow: So much air may leak that there’s not enough left when it reaches a vent; therefore, it may seem like your AC is hardly blowing.

  • Reduced Comfort/Air Quality: The AC may be unable to provide adequate cooling. Your home may also be dustier and stuffier than usual and fill up with particulates from outside.

How We Seal Air Ducts

When you need duct sealing, Y’all Call Wally. A skilled contractor will use dedicated testing equipment to locate and assess the leak. They will restore the airtightness of your ductwork by using mastic or metallic taps. Leaky ducts can also be sealed from the inside with Aeroseal. The sealing material is sent into your ductwork and naturally binds to small gaps and poor connections in areas that are difficult to access, stopping air from escaping. 

Additional Duct Services

  • Air Duct Cleaning: Dirty ductwork can affect your cooling and heating system and your indoor air quality. Our professionals are licensed and trained to use the latest equipment and techniques to clean and sanitize your ducts and eliminate sources of contamination.

  • Air Duct Replacement: If your air ducts are physically damaged or poorly designed in the first place, we’ll recommend replacing them. Aging ducts can affect the reliability and efficiency of your HVAC system. Duct replacement can be a cost-effective solution in the long run.

FOR ALL YOUR HOME SERVICE NEEDS

Why Choose Waldrop

We are a trusted duct sealing and IAQ services provider in Greenville and Spartanburg. Focused on permanent solutions, we treat our customers like family and service many top brands of equipment. Our family service plans include discounts, priority services, and other perks at a low membership cost. We also offer monthly specials and financing options to make our services more affordable.

To schedule professional duct sealing and indoor air quality services, contact Waldrop online or Y’all Call Wally today.

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What Homeowners Are Saying About Us

More than 8399+

5 Star Reviews
Review Highlights
Customers consistently praise the team's exceptional professionalism, expertise, and genuine customer care across HVAC, plumbing, and electrical services. Technicians are repeatedly highlighted for their knowledge, clear communication, thorough explanations of work and options, and honest recommendations—offering solutions tailored to actual needs without pushing unnecessary add-ons. The combination of prompt response times, efficient same-day service, quality workmanship, and courteous, friendly technicians creates experiences that keep customers coming back and eager to recommend the team to others.

Based on 8,399+ Reviews

Bronwen Berliner
1 day ago
Gavin and Aiden came to replace a toilet but discovered a clogged drain, then a pump that didn’t work and finally they replaced a faulty outlet that ran the pump. They went the extra 5 th mile to really solve the problem. They were both very professional and just terrific, hard workers who really care about their work. Waldrop is lucky to have them both!
George Lutkitz
1 day ago
Noah was fantastic helped me solve my gas leak issue and took care of my problem!
Graceful Splawn
1 day ago
I sincerely appreciate your promptness, thorough evaluation, and effective resolution of my household requirements. Johnathan who assisted me demonstrated exceptional knowledge and went above and beyond to ensure the accuracy and quality of his work.
ZACH
Michael Shirley
1 day ago
Milton was very professional in his efforts to help me locate a water leak in my bathroom. Unfortunately we will have to do more research to find the problem but can’t blame him.
Deannah Beahrs
1 day ago
Sloan was amazing and very informative
Kathleen Walker
1 day ago
Paris, John and Lorenzo came out today and installed a split unit at my house. It was an easy process. The only noise was drilling all the holes in the house they needed. They were done at exactly the time they approximated. The area was cleaner than when they started. Extremely knowledgeable and friendly. Would definitely recommend them to anyone who needs a hvac system installed.
James Grant
1 day ago
Travis was very professional and noted the options that were available for me. I appreciate his insights!
Eldon Newton
1 day ago
Dan Hayden and Noah were all professional. They were all friendly and answered my questions regarding pumping our septic tank. I was very pleased with their work.
Kaki
1 day ago
Sloan was awesome! Super nice and he seemed very upfront and honest.
Debra W
1 day ago
Daniel, P aul, and Dom were great!!! I will refer anyone I hear that needs HVAC to Waldrop.
Marc Ballard
1 day ago
Great service! Great technician (Zachary). Went over the feedback with me and will get back in touch when I return from out of town. Discussed options clearly and left quotes for us to review.
Courtney Willoughby
1 day ago
Frankie did an excellent job! He was very thorough!
Ida Achieng
1 day ago
They have experienced HVAC service technicians. Nathan knows how to do his routine HVAC service and is thorough and meticulous.
Mike Retcho
1 day ago
Sloan visited here this morning and checked the system. He had a few recommendations for me (with pictures). Now I know! Thanks!
Bronwen Berliner
1 day ago
milton was excelkent helped me get new toilet
Susan Hall
2 days ago
Paul and Daniel did great work today!!! Very pleased with Waldrop!! Very professional!
Josh Collins
2 days ago
Craig B. came for a regular check on on my AC unit. He was very knowledgeable and helpful with letting me know of preventative maintenance on my AC unit.
Grant Rye
2 days ago
Sloan was amazing. Strongly was helpful!
    Colorful service van for Waldrop Plumbing, Air & Electric with a cartoon beaver mascot and contact info on the side.

    Complete Home Comfort Awaits

    From plumbing and electrical to heating, cooling, and indoor air quality, Waldrop is here to keep your whole home running comfortably. Schedule your service today and experience trusted care from the team Upstate homeowners have counted on for generations.