Moncks Corner HVAC Duct Services: Replacement Costs

*Estimated Read Time: 9 minutes* If you are pricing an air duct replacement cost, you want a clear, local answer. In the Lowcountry, crawl spaces, humidity, and salt air can be rough on ductwork. This guide explains typical pricing, what drives the numbers, and how to avoid surprise add-ons. You will see how materials, labor, layout, and code updates affect the final bill. We also share tips to save money without cutting corners. ## What Counts As “Duct Replacement” and When You Need It Air duct replacement means removing failing supply and return ducts and installing new duct runs, transitions, and connections. It can include new plenums, boots, takeoffs, hangers, insulation, dampers, and mastic sealing. In crawl-space homes around Charleston, this often includes replacing crushed flex runs and leaky trunk lines. You likely need replacement when you see or experience: 1. Visible damage - Torn or crushed flex duct - Missing or moldy insulation - Rusted or disconnected metal sections 2. Performance issues - Hot and cold spots - Weak airflow at distant rooms - Excess dust despite filter changes 3. Air quality concerns - Musty odors from the crawl space - Condensation on ducts causing wood rot risk 4. Testing data - High static pressure or failed duct leakage test A licensed HVAC pro should inspect before quoting. Fix-it 24/7 uses state-of-the-art diagnostic techniques to confirm what must be replaced and what can be repaired. ## Typical Air Duct Replacement Cost Ranges in Charleston Budgets vary by home size, access, and material. Here are realistic ballparks we see in the Charleston area for a full or partial replacement on a single-family home: - Partial replacement of problem runs: $1,200 to $3,000 - Full crawl-space duct system, flex plus metal transitions: $4,500 to $9,500 - Full system with new supply and return trunks, plenums, balancing, and code updates: $7,500 to $14,000 - Large homes or tight attic retrofits with hard pipe: $12,000 to $20,000+ These are estimates, not quotes. Material quality, number of runs, permits, and IAQ upgrades will move you up or down. We provide flat-rate, line-item pricing so you see where each dollar goes. ## The Biggest Cost Drivers You Can Control Several factors reliably swing your final price. Focus on these during your estimate review: 1. Duct type and quality - Flex duct is common and cost-effective. - Rigid metal duct offers durability and smoother interiors but costs more. - Hybrid systems use metal trunks with flex branches, a smart middle ground. 2. Insulation level - Higher R-values reduce sweating and energy loss in humid crawl spaces. - R-8 on unconditioned runs is common for our climate. 3. Layout and sizing - Right-sized ducts reduce noise and improve comfort. - Redesign for long runs or new additions adds labor but can solve hot rooms. 4. Access and difficulty - Tight crawl spaces, low attics, and many obstacles increase labor time. 5. Sealing and testing - Professional mastic sealing and code-required leakage testing add cost but pay back in savings. 6. Add-ons and code updates - New boots, collars, and dampers are low-cost upgrades that deliver better balancing. - New returns, filtration cabinets, or UV air purification raise costs but improve IAQ. Pro tip: Ask your estimator to separate materials, labor, and testing. Transparency makes it easy to compare bids. ## What Your Estimate Should Include A complete, professional proposal protects you from scope creep and surprise fees. Your estimate should list: 1. Scope of work - Which ducts are replaced vs. reused - Demolition, disposal, and site protection steps 2. Materials - Duct type, size, insulation R-value - Sealing method, hangers, collars, boots 3. Design details - CFM targets per room - Static pressure goals and balancing plan 4. Testing and verification - Duct leakage testing target (for example, ≤ 10% of system airflow) - Post-install static pressure reading 5. Warranty and guarantees - Material and workmanship coverage - Follow-up check or tune-up At Fix-it 24/7 we use industry-leading diagnostic techniques, then provide flat-rate, line-item pricing so you know exactly what you are buying. ## Cost Examples: Crawl Space vs. Attic Homes Charleston has many crawl-space homes, plus newer builds with attic ductwork. The location drives effort and price. - Crawl space replacement - Common issues: crushed flex, standing water history, insulation sloughing, rodent damage. - Typical scope: new insulated flex on metal trunks, hanger upgrades, mastic sealing, and vapor-barrier friendly supports. - Typical range: $4,500 to $10,500 depending on runs and access. - Attic replacement - Common issues: overheated ducts, poor insulation, long runs to distant rooms. - Typical scope: upsized trunks, re-routing for shorter paths, higher R-value insulation, and radiant-heat strategies. - Typical range: $6,500 to $14,000 depending on layout and material choice. - Partial replacements - Replace damaged branches, add balancing dampers, and correct bad fittings. - Typical range: $1,200 to $3,000. ## Materials and Their Price Impact Your choice of materials affects both budget and performance. - Flex duct - Lowest material and labor cost. - Properly installed and supported, it performs well for branches. - Rigid galvanized steel - Best durability and smooth airflow. - Higher material and fabrication cost. - Fiberglass duct board - Good for plenums and trunks when sealed correctly. - Sensitive to moisture. Not ideal for damp crawl spaces. - Insulation - R-6 is baseline for many interiors. R-8 is common for crawl spaces and attics. - Sealing products - Mastic and mastic tape outperform cloth duct tape. Ask for a hybrid design with metal trunks and flex branches if you want a balance of performance and price. ## Labor, Permits, and Timeline Labor is the largest line item. A full replacement usually takes one to three days for a crew, depending on access and redesign. Permits and inspections may apply, especially when plenums or returns are modified. A proper install includes hangers, supports, and sealed penetrations. What to expect on project day: 1. Protection and prep - Floor and entry protection, equipment staging, and power safety. 2. Removal - Safe demo and disposal of old ducts and contaminated insulation. 3. Install - New trunks and branches sized to design, secure hangers, and sealed joints. 4. Test and balance - Static pressure checks and room-by-room airflow adjustments. 5. Clean up and walkthrough - Final review, thermostat check, and homeowner sign-off. ## Add-Ons That Are Worth It Some extras pay back in comfort and air quality. - Return air upgrades - Adding returns in closed-off rooms smooths airflow and reduces noise. - Filtration and IAQ - Media filters, UV lights, and air purification improve IAQ and reduce dust. - Dehumidification - Dedicated dehumidifiers protect your crawl space from condensation and mold. - Zoning and dampers - Balancing dampers are low cost. Motorized zoning is a premium but can solve temperature swings. The U.S. Department of Energy reports many homes lose 20 to 30 percent of the air that moves through the duct system due to leaks, holes, and poorly connected ducts. Investing in sealing and design fixes that loss. ## When Repair or Cleaning Beats Full Replacement You do not always need a full replacement. Consider these options first: - Duct sealing - Mastic sealing at joints and boots often fixes comfort issues fast. - Targeted repairs - Replace crushed or disconnected runs only. - Professional cleaning - Full residential air duct cleaning can restore airflow if ducts are sound. - Disinfecting and IAQ upgrades - When odor is the issue, disinfecting and purification can help without new ducts. Our team performs duct inspection and will tell you when a repair or cleaning is smarter than replacement. ## How To Compare Bids Like A Pro Price is important, but value wins in the long run. Use this checklist to compare apples to apples: 1. Same scope and material list across bids 2. Stated duct sizes, insulation R-values, and sealing methods 3. Evidence of load and airflow calculations, not guesswork 4. Leakage and static pressure targets in writing 5. Warranty terms in years for materials and labor 6. Crew credentials and supervision plan 7. Clear timeline, permit handling, and cleanup Fix-it 24/7 provides transparent, upfront pricing with itemized scopes. Our licensed, certified technicians follow proven methods for Charleston homes. ## Memberships, Financing, and Ways To Save Smart planning can trim hundreds from your project. - Green Club Membership - Annual tune-ups and preventative care are included. - Monthly membership option - $24.95 per month provides ongoing discounts on services. - Seasonal promos - Ask about current promotional pricing for first-time customers. - Bundle work - Pair duct replacement with needed HVAC or IAQ upgrades to save on labor trips. - Financing - Flexible financing and free estimates for system replacements and upgrades are available. Ask for a written scope with alternates. You can value-engineer materials or phasing without sacrificing performance. ## Compliance, Credentials, and Peace of Mind Ductwork affects safety, comfort, and energy bills. Choose a contractor that backs claims with proof. - Credentials you can verify - EPA and NATE certified technicians - Licensed and insured in South Carolina - Reputation and awards - A+ rated, BBB-accredited business - Top-rated performance on trusted platforms - Quality process - State-of-the-art equipment and industry-leading diagnostics - Post-install testing and documented results Since 2001, Fix-it 24/7 has delivered 24/7 emergency service and same-day availability when urgent duct failures cannot wait. ## Charleston-Specific Tips To Stretch Your Budget Local homes and climate shape the smartest choices. - Crawl spaces need thoughtful supports - Use rigid supports and proper sag spacing to prevent future kinks. - Fight humidity - Choose R-8 insulation on unconditioned runs and seal boots to subfloor to prevent sweating. - Salt air awareness - Stainless or coated fasteners resist corrosion near marsh areas. - Vent hygiene - Pair new ducts with exhaust fan cleaning to keep moisture moving out of bathrooms and kitchens. These small choices extend the life of your new duct system and protect your home. ## What Homeowners Are Saying > "They replaced the ductwork in our crawl space and did a great job." > –Scott B. > "Gavin repaired my broken under house duct very fast. Also, explained other issues he observed with my duct system. Ensured that I was aware of options that I could had to remedy my duct issues. He was very easy to work with and understand." > –Charles W. > "Fix-It replaced our entire duct and HVAC system and everyone was so professional and competent." > –Terri E. > "However, James came by today and literally pointing out 5 different issues from the original duct work to uninstalled wiring leftover from the building of the home. He thoroughly took me through every issue, his recommendations to fix each, and what to expect should I decide to not make updates." > –Greg C. ## Frequently Asked Questions ### How much does a full air duct replacement cost in Charleston? Most homes fall between $4,500 and $14,000 depending on size, access, and materials. Partial replacements can start near $1,200. Get an in-person inspection for accuracy. ### Is it cheaper to repair or seal instead of replacing ducts? Often yes. If ducts are structurally sound, targeted repairs and mastic sealing can restore comfort for far less than a full replacement. A pro inspection will confirm. ### How long does duct replacement take? Most projects take one to three days for a trained crew. Tight crawl spaces, redesigns, or material upgrades can add time. Your estimator should outline the schedule. ### Do new ducts improve air quality and comfort? Yes. Properly sized and sealed ducts reduce dust, balance room temperatures, and cut humidity issues. Upgraded filtration or purification can further improve IAQ. ### Should I choose flex or metal ductwork? Flex is cost-effective for branch runs when supported and sealed well. Metal trunks offer durability and smoother airflow. Many homes use a hybrid to balance cost and performance. ## Conclusion Replacing failing ducts can solve hot and cold spots, lower energy waste, and improve air quality. Use this guide to compare scopes, materials, and testing so you pay for results, not guesswork. For an accurate air duct replacement cost in the Charleston area, book an on-site evaluation today. ## Call or Schedule Now Call Fix-it 24/7 at (843) 212-7515 or schedule at https://fixmyhome247.com/. Ask about our Green Club Membership for ongoing savings. Get a flat-rate, itemized proposal and clear options the first time. ## Ready for a Transparent, Flat-Rate Quote? Call (843) 212-7515 or visit https://fixmyhome247.com/ to schedule your duct inspection and replacement estimate today. Same-day service is available for urgent issues in Charleston, Mount Pleasant, Summerville, North Charleston, and nearby neighborhoods. ## About Fix-it 24/7 Air Conditioning, Plumbing & Heating, LLC Fix-it 24/7 has served the Charleston area since 2001 with licensed, background-checked, EPA and NATE certified technicians. We offer 24/7 service, flat-rate pricing, and a 100% satisfaction guarantee. Our A+ BBB rating and award-winning service reflect our focus on quality. From duct cleaning and sealing to full duct replacement and IAQ upgrades, we do it right the first time.

Is it worth it to replace ductwork instead of repairing it?

Replacing ductwork is worth it when damage, contamination, or poor design makes repairs a short-term fix and keeps comfort or air quality from improving. The most common driver is widespread air leaks that persist after basic sealing or when the layout chokes airflow. Our licensed HVAC technicians handle both options across the Charleston area, so we recommend what solves the root cause, not just the symptom. A quick tech insight: if static pressure (airflow resistance) stays high even after sealing, the ducts are usually undersized or sharply kinked, and replacement or redesign pays off. Use these signals to choose your path: - Choose replacement when sections are crushed or collapsed, mold keeps returning after cleanings, or the layout starves rooms of air. - Choose repair when issues are limited to a few loose joints, small tears, or missing insulation near boots. - Monitor when performance is steady and dust is normal after a thorough cleaning and tune-up. Always get a full end‑to‑end inspection of attics and crawl spaces before deciding. Updated: 2026-03-25 Need help in Summerville, SC? Call (843) 212-7515 or book online.

How much does it cost to replace ductwork in a typical home?

There isn’t a one‑price fits all for ductwork replacement. Final cost depends on your home’s size, duct length and layout, material choice, crawlspace or attic access, and any needed sealing or repairs. We confirm pricing on site and provide transparent, flat‑rate options before work begins. Our licensed HVAC technicians handle residential duct replacement and repairs, and we offer 24/7 scheduling. Green Club members receive priority scheduling and member pricing on parts/repairs. Updated: 2025-12-24 Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.

How much does ductwork replacement typically cost for homeowners?

Ductwork replacement cost varies by home and is confirmed after an on-site evaluation by a licensed HVAC technician. We provide transparent, flat-rate pricing once we measure and inspect. Key cost drivers include total duct length, number of supply and return runs, material type (flex or metal), attic or crawlspace access, required sealing or insulation, and any needed repairs to boots or plenums. Homes in Charleston, Summerville, or Moncks Corner with tight crawl spaces may require more labor, which affects price. Updated: 2025-12-24 00:00:00 Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.

How much does air duct replacement cost for a typical home?

Air duct replacement cost depends on your home’s layout and condition, and we confirm pricing after an on-site assessment. A licensed Fix-it 24/7 technician will provide transparent, flat-rate pricing before any work begins. What affects price: - Number of vents and total duct length - Attic vs. crawl space access and difficulty - Duct material (flex vs. metal) and insulation - Removal of old ducts, sealing, and sanitizing needs - Code corrections found during the ductwork assessment We replace, repair, and clean ductwork for homes in Charleston and nearby cities. Updated: 2025-12-24 00:00:00 Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.

How much does air duct cleaning cost for an average home?

Air duct cleaning for an average home is priced after an on-site inspection. Final cost depends on your home’s size, number of vents, duct condition, and access points like attics or crawl spaces. Add-ons such as air duct disinfecting or duct sealing affect price. Members save 15% on duct cleaning, and the Green Club is $24.95/month with free annual AC and furnace deep cleans. Licensed HVAC technicians handle residential and commercial ducts in the Charleston area. Updated: 2025-12-24 Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.

How Can I Seal a Leaking Air Duct to Improve HVAC Efficiency?

You can seal small duct leaks with HVAC mastic or foil tape after turning off your system. Larger gaps or damaged ductwork should be professionally repaired. - Inspect accessible joints, boots, and connections. - Clean and dry surfaces. - Apply mastic or UL-rated foil tape to seams. - Strap and straighten sagging flex runs. - Recheck for air noise and airflow changes. Fix-it 24/7 provides air duct repair, maintenance, and full residential and commercial duct cleaning in Charleston and Summerville. Green Club members receive 15% off duct cleaning. Updated: 2025-12-24 00:00:00 Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.

Duct Services in the Greater Charleston Area

Need cleaner, tighter ducts today? We deliver expert duct cleaning, repair, and replacement that improve airflow and indoor air quality. Serving the Greater Charleston area, including Charleston, Mount Pleasant, and Summerville. Homeowners trust our licensed technicians, A+ BBB rating, and 4.9 rating from 1,895 reviews. Our deep clean approach goes beyond basic checks for lasting results, helpful before peak summer humidity. Get clear, upfront pricing and 24/7 service. Schedule your duct service now.

Why Choose Us

verified

A+ BBB accreditedA+ rating and BBB accredited business.

verified

Proven, top-rated teamAngie's List Super Service Award and top-rated on HomeAdvisor.

verified

Licensed since 2001Licensed, experienced technicians serving homeowners since 2001.

verified

Deep clean approachWe thoroughly clean and optimize every component for performance.

verified

Upfront pricingNo hidden fees and a 100% guarantee on work.

verified

24/7 availabilityRound-the-clock scheduling and emergency response.

verified

Trusted by neighbors4.9 rating from 1,895 reviews.

What Our Customers Say

format_quote

speed

"Gavin repaired my broken under house duct very fast."

— John T.

format_quote

professionalism

"Fix-It replaced our entire duct and HVAC system and everyone was so professional."

— Dinah J.

format_quote

quality

"He took me through every issue and his recommendations. All in all 10/10 experience."

— MJ S.

Answers to Common Questions

View All FAQsarrow_forward

Is it worth it to replace ductwork instead of repairing it?
Replacing ductwork is worth it when damage, contamination, or poor design makes repairs a short-term fix and keeps comfort or air quality from improving. The most common driver is widespread air leaks that persist after basic sealing or when the layout chokes airflow. Our licensed HVAC technicians handle both options across the Charleston area, so we recommend what solves the root cause, not just the symptom. A quick tech insight: if static pressure (airflow resistance) stays high even after sealing, the ducts are usually undersized or sharply kinked, and replacement or redesign pays off.
Use these signals to choose your path:
Choose replacement when sections are crushed or collapsed, mold keeps returning after cleanings, or the layout starves rooms of air.
Choose repair when issues are limited to a few loose joints, small tears, or missing insulation near boots.
Monitor when performance is steady and dust is normal after a thorough cleaning and tune-up. Always get a full end‑to‑end inspection of attics and crawl spaces before deciding.

Updated: 2026-03-25

Need help in Summerville, SC? Call (843) 212-7515 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNyZzUtY1BBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICrg5-cPA%7CCgsIk6qLtQYQ0N6YCw%7C?hl=en-US [1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURYMF9PbjR3RRAB!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgIDX0_On4wE%7CCgwIgfOKuQYQ0Kix2QE%7C?hl=en-GB [2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURyMmJuWXVRRRAB!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgIDr2bnYuQE%7CCgwI0ObktAYQyNjWwAI%7C?hl=en-US [3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUQtNW9mbkVREAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgID-5ofnEQ%7CCgwI4dyUnAYQyMrZiQI%7C?hl=en-US [4] https://www.fixmyhome247.com/services/ac-tune-up/[5] https://www.fixmyhome247.com/about-us/club-membership-plan [6] https://fixmyhome247.com/services/furnace-maintenance/[7] https://www.fixmyhome247.com/services/air-conditioning/ac-tune-up [8] https://www.fixmyhome247.com/services/duct-cleaning-charleston-sc/[9] https://www.fixmyhome247.com/about-us/[10] https://www.fixmyhome247.com/hvac/sullivans-island-sc/[11] https://fixmyhome247.com/services/mini-split-installation/
How much does it cost to replace ductwork in a typical home?
There isn’t a one‑price fits all for ductwork replacement. Final cost depends on your home’s size, duct length and layout, material choice, crawlspace or attic access, and any needed sealing or repairs. We confirm pricing on site and provide transparent, flat‑rate options before work begins. Our licensed HVAC technicians handle residential duct replacement and repairs, and we offer 24/7 scheduling. Green Club members receive priority scheduling and member pricing on parts/repairs.

Updated: 2025-12-24

Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNMMk4tVmJBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICL2N-VbA%7CCgwI2fGyswYQwPGekQM%7C?hl=en-US [1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUN0X2E3YUlnEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICt_a7aIg%7CCgwIiMrprQYQ2KnXlgI%7C?hl=en-US [2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNMb09IZTd3RRAB!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICLoOHe7wE%7CCgsI7biuswYQqLmcBg%7C?hl=en-US [3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNieXNpV0ZBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICbysiWFA%7CCgwIw4aKtQYQwMSH9AI%7C?hl=en-US [4] https://www.fixmyhome247.com/services/mini-split-repair-charleston-sc/[5] https://fixmyhome247.com/services/ac-tune-up/[6] https://fixmyhome247.com/services/furnace-replacement/[7] https://fixmyhome247.com/services/heating/furnace-repair [8] https://www.fixmyhome247.com/hvac [9] https://fixmyhome247.com/service-areas/ravenel/[10] https://www.fixmyhome247.com/services/heating/furnace-tune-up [11] https://www.fixmyhome247.com/about-us/service-areas/awendaw
How much does ductwork replacement typically cost for homeowners?
Ductwork replacement cost varies by home and is confirmed after an on-site evaluation by a licensed HVAC technician. We provide transparent, flat-rate pricing once we measure and inspect. Key cost drivers include total duct length, number of supply and return runs, material type (flex or metal), attic or crawlspace access, required sealing or insulation, and any needed repairs to boots or plenums. Homes in Charleston, Summerville, or Moncks Corner with tight crawl spaces may require more labor, which affects price.

Updated: 2025-12-24 00:00:00

Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNMMk4tVmJBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICL2N-VbA%7CCgwI2fGyswYQwPGekQM%7C?hl=en-US [1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUN0X2E3YUlnEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICt_a7aIg%7CCgwIiMrprQYQ2KnXlgI%7C?hl=en-US [2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNMb09IZTd3RRAB!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICLoOHe7wE%7CCgsI7biuswYQqLmcBg%7C?hl=en-US [3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNieXNpV0ZBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICbysiWFA%7CCgwIw4aKtQYQwMSH9AI%7C?hl=en-US [4] https://www.fixmyhome247.com/services/mini-split-repair-charleston-sc/[5] https://fixmyhome247.com/services/ac-tune-up/[6] https://fixmyhome247.com/services/furnace-replacement/[7] https://fixmyhome247.com/services/heating/furnace-repair [8] https://www.fixmyhome247.com/hvac [9] https://fixmyhome247.com/service-areas/ravenel/[10] https://www.fixmyhome247.com/services/heating/furnace-tune-up [11] https://www.fixmyhome247.com/about-us/service-areas/awendaw
How much does air duct replacement cost for a typical home?
Air duct replacement cost depends on your home’s layout and condition, and we confirm pricing after an on-site assessment. A licensed Fix-it 24/7 technician will provide transparent, flat-rate pricing before any work begins.
What affects price:
Number of vents and total duct length
Attic vs. crawl space access and difficulty
Duct material (flex vs. metal) and insulation
Removal of old ducts, sealing, and sanitizing needs
Code corrections found during the ductwork assessment
We replace, repair, and clean ductwork for homes in Charleston and nearby cities.

Updated: 2025-12-24 00:00:00

Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNMMk4tVmJBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICL2N-VbA%7CCgwI2fGyswYQwPGekQM%7C?hl=en-US [1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUN0X2E3YUlnEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICt_a7aIg%7CCgwIiMrprQYQ2KnXlgI%7C?hl=en-US [2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNMb09IZTd3RRAB!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICLoOHe7wE%7CCgsI7biuswYQqLmcBg%7C?hl=en-US [3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNieXNpV0ZBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICbysiWFA%7CCgwIw4aKtQYQwMSH9AI%7C?hl=en-US [4] https://www.fixmyhome247.com/services/mini-split-repair-charleston-sc/[5] https://fixmyhome247.com/services/ac-tune-up/[6] https://fixmyhome247.com/services/furnace-replacement/[7] https://fixmyhome247.com/services/heating/furnace-repair [8] https://www.fixmyhome247.com/hvac [9] https://fixmyhome247.com/service-areas/ravenel/[10] https://www.fixmyhome247.com/services/heating/furnace-tune-up [11] https://www.fixmyhome247.com/about-us/service-areas/awendaw
How much does air duct cleaning cost for an average home?
Air duct cleaning for an average home is priced after an on-site inspection. Final cost depends on your home’s size, number of vents, duct condition, and access points like attics or crawl spaces. Add-ons such as air duct disinfecting or duct sealing affect price. Members save 15% on duct cleaning, and the Green Club is $24.95/month with free annual AC and furnace deep cleans. Licensed HVAC technicians handle residential and commercial ducts in the Charleston area.

Updated: 2025-12-24

Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNMMk4tVmJBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICL2N-VbA%7CCgwI2fGyswYQwPGekQM%7C?hl=en-US [1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUN0X2E3YUlnEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICt_a7aIg%7CCgwIiMrprQYQ2KnXlgI%7C?hl=en-US [2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNMb09IZTd3RRAB!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICLoOHe7wE%7CCgsI7biuswYQqLmcBg%7C?hl=en-US [3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNieXNpV0ZBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICbysiWFA%7CCgwIw4aKtQYQwMSH9AI%7C?hl=en-US [4] https://www.fixmyhome247.com/services/mini-split-repair-charleston-sc/[5] https://fixmyhome247.com/services/ac-tune-up/[6] https://fixmyhome247.com/services/furnace-replacement/[7] https://fixmyhome247.com/services/heating/furnace-repair [8] https://www.fixmyhome247.com/hvac [9] https://fixmyhome247.com/service-areas/ravenel/[10] https://www.fixmyhome247.com/services/heating/furnace-tune-up [11] https://www.fixmyhome247.com/about-us/service-areas/awendaw
How Can I Seal a Leaking Air Duct to Improve HVAC Efficiency?
You can seal small duct leaks with HVAC mastic or foil tape after turning off your system. Larger gaps or damaged ductwork should be professionally repaired.
Inspect accessible joints, boots, and connections.
Clean and dry surfaces.
Apply mastic or UL-rated foil tape to seams.
Strap and straighten sagging flex runs.
Recheck for air noise and airflow changes. Fix-it 24/7 provides air duct repair, maintenance, and full residential and commercial duct cleaning in Charleston and Summerville. Green Club members receive 15% off duct cleaning.

Updated: 2025-12-24 00:00:00

Need help in Moncks Corner, SC? Call (843) 305-8086 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNMMk4tVmJBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICL2N-VbA%7CCgwI2fGyswYQwPGekQM%7C?hl=en-US [1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUN0X2E3YUlnEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICt_a7aIg%7CCgwIiMrprQYQ2KnXlgI%7C?hl=en-US [2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNMb09IZTd3RRAB!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICLoOHe7wE%7CCgsI7biuswYQqLmcBg%7C?hl=en-US [3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNieXNpV0ZBEAE!2m1!1s0x0:0x81939a935c393adf!3m1!1s2@1:CIHM0ogKEICAgICbysiWFA%7CCgwIw4aKtQYQwMSH9AI%7C?hl=en-US [4] https://www.fixmyhome247.com/services/mini-split-repair-charleston-sc/[5] https://fixmyhome247.com/services/ac-tune-up/[6] https://fixmyhome247.com/services/furnace-replacement/[7] https://fixmyhome247.com/services/heating/furnace-repair [8] https://www.fixmyhome247.com/hvac [9] https://fixmyhome247.com/service-areas/ravenel/[10] https://www.fixmyhome247.com/services/heating/furnace-tune-up [11] https://www.fixmyhome247.com/about-us/service-areas/awendaw

Helpful Tips & Maintenance Advice

View All Blogsarrow_forward

The Ultimate Guide to Efficient Duct and Vent Systems

Estimated Read Time: 3 minutes
Efficient duct and vent systems are crucial for maintaining a comfortable and healthy home environment. At Fix-it 24/7 Air Conditioning, Plumbing & Heating, LLC, we understand the significant impact that well-maintained systems can have on both your comfort and your...

June 29, 2025Read Morearrow_forward

Cordesville, SC Duct Services: 3 Top Sealing Methods

Estimated Read Time: 9 minutes
Leaky ducts waste energy, strain your HVAC, and pull musty crawl space air into your home. If you are researching duct sealing methods, this guide breaks down the top three ways to seal ductwork, when each method shines, and how to avoid common DIY pitfalls. You wil...

March 23, 2026Read Morearrow_forward

Duct Health: When to Call in the North Charleston Experts

Estimated Read Time: 3 minutes
Maintaining the health of your ductwork is crucial not only for the efficiency of your HVAC system but also for the quality of the air circulating in your home. For homeowners in North Charleston, understanding when to seek professional help for duct issues can save...

June 1, 2025Read Morearrow_forward

Where We Work

What areas do you serve for duct services?

We serve the Greater Charleston area, including Charleston, Mount Pleasant, and Summerville. See the full list of communities we visit below.

Greater Charleston Area

location_onCharleston, SClocation_onMount Pleasant, SClocation_onSummerville, SC

Complete Service Area:

Isle Of Palms, SCLadson, SCSullivans Island, SCCharleston Afb, SCAdams Run, SCCharleston, SCSummerville, SCHollywood, SCHuger, SCRidgeville, SCRavenel, SCNorth Charleston, SCMoncks Corner, SCMount Pleasant, SCCordesville, SCGoose Creek, SCJames Island, SCAwendaw, SCJohns Island, SCWadmalaw Island, SCFolly Beach, SCHanahan, SC

Get Professional Service Today - Call Fix-it 24/7 Air Conditioning, Plumbing & Heating, LLC or Book Now

phoneCall Now