Hollywood, FL Duct Services: 3 Proven Sealing Options

*Estimated Read Time: 11 minutes* Leaky ducts waste energy, spread dust, and leave rooms hot or clammy. If you are researching duct sealing for better comfort and lower bills, you are in the right place. In this guide, we break down duct sealing methods that actually work in Florida homes, when DIY is safe, when it is not, and how ECM ensures lasting results. There is also a limited offer for maintenance with free duct sanitizing. ## Why Leaky Ducts Cost You Real Money In many South Florida homes, 20 to 30 percent of conditioned air can escape through gaps at boots, plenum seams, and return leaks. Hot attic air can also be pulled into the return side and sent through the system. The result is uneven rooms, longer run times, and higher energy bills. In coastal areas like Boca Raton and Hollywood, leaks can even draw in salty, humid air that accelerates corrosion. What leaks look like in real life: 1. Dust streaks on insulation near joints or boots. 2. Rooms far from the air handler that never quite cool. 3. A musty odor when the system first starts. 4. High electric bills compared to similar homes. Well-sealed ducts reduce waste, protect your coil from dirt, and help your thermostat readings match actual room temperatures. ## How to Tell Your Ducts Are Leaking Before you choose a sealing method, confirm the problem. Signs and simple checks: 1. Visual inspection with a flashlight. Look for loose connections, dried-out tape, or open seams at the plenum and boot collars. 2. The paper test. Hold a strip of tissue near suspected joints while the fan runs. If it flutters, air is moving in or out. 3. Odors at start-up. Musty or smoky smells often point to return-side leaks that draw attic or garage air. 4. Dusty supply registers and rapid filter loading. This suggests bypass air around the filter or return leaks. 5. Temperature split and static pressure readings. A pro test uses instruments to show losses and restrictions. ECM includes duct inspections during free in-home estimates. Our maintenance plans also include “Inspect Air Ductwork Condition” so issues are caught before they become costly. ## Duct Sealing Method 1: Mastic Sealant for Rigid and Flex Duct Joints Mastic is the gold standard for long-lasting duct sealing on metal seams and flex-to-boot connections. It cures to a flexible, airtight barrier that resists heat in attics that can exceed 120°F during August in West Palm Beach. Where mastic shines: 1. Plenum seams and takeoffs. 2. Boot collars where flex duct meets the register boot. 3. Elbows, wyes, and other metal fittings. Basic steps a pro will follow: 1. Surface prep. Clean dust and old adhesive. A clean surface equals a stronger bond. 2. Mechanical fastening. Tighten sheet-metal screws or bands on flex collars to support the seal. 3. Embed mesh where gaps are wider than a hairline. This bridges the joint. 4. Apply mastic 1/16 to 1/8 inch thick, fully covering seams. Allow proper cure time before heavy airflow. Why we prefer mastic over cloth tape: - Heat resistance and longevity in Florida attics. - Airtight seal that remains flexible as ducts expand and contract. - Better performance on irregular gaps and older metal. Complementary upgrades during mastic work: - Replace crushed or poorly supported flex runs. - Re-seat leaky returns and seal around filter racks. - Add hangers to relieve strain on joints. ## Duct Sealing Method 2: Foil-Backed Tape With Mesh Reinforcement Foil-backed UL 181-rated tapes, paired with fiberglass mesh and sometimes a thin finish coat of mastic, deliver an excellent seal when access is tight or when neatness matters at visible boots. Best uses: 1. Short straight seams on clean metal trunk lines. 2. Patch work on small hand-sized openings. 3. Register boots in finished spaces where a clean look counts. How to do it right: 1. Clean and dry the surface. Remove old cloth tape and residue. 2. Pre-measure tape sections for a single smooth application without wrinkles. 3. For wider gaps, apply mesh first to span the opening. 4. Burnish with a squeegee or roller for full adhesion. Seal edges. What to avoid: - Cloth-backed duct tape. It dries out, peels, and fails in heat. - Taping on dirty or oily surfaces. Adhesive will not hold. When we choose foil tape over mastic: - When space around a joint is too tight for a brush. - When the visible finish must be neat and low profile. - When a taped seam can later be overcoated with a thin mastic layer during a larger retrofit. ## Duct Sealing Method 3: Professional Sealing and Ductwork Modification Many homes do not just need gaps sealed. They need airflow tuned so the system stops fighting itself. ECM offers duct sealing combined with highly tuned ductwork modification for optimum airflow and efficiency. This can include resizing returns, correcting high-static runs, replacing kinked flex, and reworking leaky boots. What this professional method includes during an ECM visit: 1. Systemwide inspection. We inspect duct condition, look for disconnected runs, and evaluate return placement. 2. Targeted sealing with mastic, foil tape, and mesh as appropriate. 3. Boot and plenum repairs. Secure collars, add screws or bands, and rebuild weak joints. 4. Airflow optimization. Modify or replace problem runs, balance supplies, and improve return paths. 5. Optional IAQ add-ons. Sanitize ducts with a disinfectant, deodorize, and consider an in-duct purifier for ongoing air quality. When to choose professional modification: - Rooms are always uncomfortable even after basic sealing. - The system is noisy, and static pressure is high. - There are visible design flaws like long undersized returns or multiple kinks. Expected outcomes: - Lower run times and better temperature balance. - Cleaner coil and filter due to fewer leaks. - Reduced odors and a fresher-smelling home when combined with sanitizing. ## After Sealing: Sanitizing, Deodorizing, and Purification Fixing leaks is the first step. If your system has circulated unfiltered attic air or moisture, consider a hygienic reset. What ECM offers: 1. Duct sanitizing with an EPA-registered hospital disinfectant that kills 99.999 percent of bacteria and viruses, including H1N1, MRSA, Norovirus, HIV, Legionella, Pseudomonas aeruginosa, and Hepatitis A, B, and C. 2. Breathe Green stabilized chlorine dioxide formula that is effective on bacteria, viruses, and mold, non-corrosive to treated articles, and gentle enough to handle without causing skin irritation. 3. Duct deodorizing as part of maintenance. Great for pet or musty odors after sealing. 4. In-duct purifier installs. Our HALO-LED option is mercury free, zero ozone compliant, and uses REME-LED or PHI technology with a washable ceramic catalyst and a seven-year limited warranty. These steps help ensure the air traveling through your newly sealed ducts is as clean and neutral-smelling as possible. ## DIY vs Pro: What Homeowners Can Safely Do Safe homeowner actions: 1. Replace filters on schedule and check that filter racks are tight. 2. Seal small, reachable seams on metal trunks with mastic if you can safely access them. 3. Use UL 181 foil tape for tiny patches on clean, accessible joints. 4. Keep returns clear of storage bins and insulation. Always call a pro for: - Return plenum work, buried or high-attic runs, and anything near the air handler. - Signs of mold, heavy dust, or contaminated insulation. - Hot attics in Fort Lauderdale or Coral Springs where safety and ventilation are concerns. A professional has tools to measure static pressure and temperature split, so fixes are guided by data, not guesswork. ## What To Expect During an ECM Duct Sealing Visit Step-by-step process: 1. Free in-home estimate and duct inspection. We identify priority leaks and airflow restrictions. 2. Written scope. You will see which joints, boots, and returns we will seal, and any modifications. 3. Sealing and repairs. We use mastic, UL 181 foil tape, mesh, and mechanical fasteners. 4. Sanitizing or deodorizing upon request or as part of maintenance. 5. Final verification. We review improvements and next maintenance steps. Typical visit length varies with access and home size. Many single-story homes in West Palm Beach or Pompano Beach can be sealed and tuned the same day. ## The Cost of Doing Nothing Ignoring leaks has real consequences: 1. Higher bills due to longer run times. 2. Premature coil fouling from dust pulled around the filter. 3. Rooms that never feel right, which pushes you to lower the setpoint. 4. Moisture and odor problems if the return leaks to the attic or garage. Sealing and tuning ducts often costs less than a single season of wasted energy in a leaky system, especially during South Florida summers. ## Maintenance Plans That Protect Your Investment ECM’s Watt Saver maintenance agreement helps you keep ducts tight and clean over time. The plan highlights include priority service, parts and labor discounts, and two 29‑point tune-ups per year. The tune-ups include “Ductwork Sanitizing with Disinfectant,” “Ducts Sprayed with Deodorizer,” and “Inspect Air Ductwork Condition.” The plan has been listed at only 239 dollars per year on our site. A good maintenance rhythm keeps seals intact, catches new leaks early, and preserves airflow gains from modifications. ## Important Contract Note About Ductwork ECM provides duct services, but certain service contract terms list “ductwork” under items not covered in a specific central air equipment contract. Ask us to clarify coverage and options. We will make sure you understand what is and is not included before any work begins. ## Local Insight: Building Types and Trouble Spots We See Most In Port St. Lucie and Sunrise, we often see flex duct kinks over garage trusses. In older Boca Raton homes with metal trunks, we find dried cloth tape at takeoffs. In Hollywood and Coral Springs condos, poorly sealed returns near laundry rooms can draw in lint and humidity. Each situation calls for the right sealing method and sometimes a small redesign. ## Quick Comparison: Which Method Fits Your Situation 1. Mastic sealant - Best for: Metal seams, flex-to-boot collars, plenum joints. - Pros: Long lasting, heat tolerant, excellent on irregular gaps. - Consider if: You have visible seams and accessible runs. 2. Foil-backed tape with mesh - Best for: Tight-access areas and neat finishes at boots. - Pros: Clean look, quick application, can be overcoated later. - Consider if: You have small, clean seams and want minimal mess. 3. Pro sealing and modification - Best for: Comfort problems, noise, and design flaws. - Pros: Addresses root causes, not just the leaks. - Consider if: Rooms are uneven or static pressure is high. ## Complementary Upgrades That Multiply the Benefit - Return resizing or adding a second return in long ranch homes. - Proper duct supports to prevent future kinks. - In-duct purification with a zero-ozone HALO-LED system. - Annual tune-ups with sanitizing and deodorizing to keep airflow clean. Each add-on compounds comfort gains and reduces long-term operating costs. ## Why Choose ECM for Duct Sealing in South Florida - Technician-led. ECM does not use salespeople. You work with knowledgeable technicians from start to finish. - Free in-home estimates and free second opinions on replacement units. Transparent scopes before we start. - Air quality leadership. We sanitize ducts with an EPA-registered hospital disinfectant and install mercury-free, zero-ozone in-duct purifiers. - Scale and speed. Since 1985, we have grown to 200+ employees and 127 trucks for fast response across West Palm Beach, Fort Lauderdale, Deerfield Beach, and beyond. When your comfort and energy bills are on the line, experience and process matter. We bring both to every attic and closet we enter. ## Special Offer: Free Duct Sanitizing With AC Maintenance Schedule your 29‑point A/C tune-up and get free duct sanitizing included. Expires 2026-04-01. Call (561) 585-9850 to redeem or request service at ecmservice.com. Looking to add an in-duct purifier? Ask for a free quote on a HALO-LED whole-home system during your visit. ## What Homeowners Are Saying > "Excellent Service for duct cleaning. Knowledgeable and friendly tech who explained everything g he was doing and was very efficient." > –Randy C., Duct Cleaning > "Awesome work done by ECM technician Kadeen, air duct is clean now and we see a huge difference in air quality." > –Rajasekhar P., Air Duct Cleaning > "ECM came to my Condo to service my A/C and he noticed once he opened the front that there was black Mold in my unit and ducts! I was mortified he showed it to me!! He went to work fast and got them to replace my A/C unit the next day!! they got the crane for the roof of the building and the unit installed! I am so grateful he was so fast to get this work done right and fast and professional. He even got a company to clean and sanitize my ducts within a day of the installation!! I recommend them highly for the service contract they offer we got $2000 off the price of the units as well!! 😀" > –Carol L., Condo Service > "ECM came within a few hours. Their tech was the only one who went into our attic to check the ductwork in order to recommend the proper equipment for our home. He took the time to explain how the system works in layman’s terms." > –Barbara B., Ductwork Inspection ## Frequently Asked Questions ### How much air can leaky ducts waste? Many homes lose 20 to 30 percent of conditioned air through duct leaks. Losses depend on access, age, and workmanship. A quick inspection and pressure readings can reveal your specific waste. ### Is mastic better than duct tape for sealing ducts? Yes. UL 181-rated mastic and foil-backed tapes outperform cloth duct tape in heat and humidity. Cloth tape dries out and peels in Florida attics. Mastic with mesh creates a durable, flexible seal. ### Will duct sealing improve indoor air quality? Sealing stops dusty or musty air from entering returns. Pair it with duct sanitizing and, if desired, a zero-ozone in-duct purifier for the best results. Many homeowners report fresher air after sealing. ### Can I seal my ducts myself? You can seal small, accessible seams with mastic or UL 181 foil tape. Leave returns, plenums, and high-attic work to a pro. Safety, airflow balance, and testing require professional tools. ### Do you offer financing or maintenance plans? Yes. Watt Saver maintenance offers priority service and two 29‑point tune-ups that include ductwork checks, sanitizing, and deodorizing. Ask about current financing options during your free estimate. ## In Summary Duct sealing cuts energy waste, stabilizes room temperatures, and protects your system. For most homes, a mix of mastic, UL 181 foil tape, and professional modifications delivers the best result. If you are searching for duct sealing in South Florida, ECM will inspect, seal, and optimize your ducts so your comfort matches your thermostat. ## Ready to Breathe and Save Better? Call (561) 473-9463 or visit https://ecmservice.com to schedule your free in-home duct inspection. Mention “AC Maintenance with FREE Duct Sanitizing” before 2026-04-01 for your tune-up bonus. Prefer online scheduling? Book now at ecmservice.com and get your written scope the same day. Call now: (561) 473-9463 • Web: https://ecmservice.com • Limited offer: AC Maintenance with FREE Duct Sanitizing through 2026-04-01. Serving West Palm Beach, Boca Raton, Fort Lauderdale, Port St. Lucie, and nearby cities. ## About ECM Air Conditioning Since 1985, ECM Air Conditioning has served South Florida with on‑staff HVAC, plumbing, and electrical technicians. We back work with a 100% satisfaction guarantee, free in‑home estimates, and priority Watt Saver maintenance plans. Licenses: CAC-1822777, CFC-048260, EC-0001843. We operate 127 trucks and employ 200+ local pros for rapid response. We install zero‑ozone in‑duct purifiers and perform duct sealing and optimization.

Delray Beach Duct Services: HVAC Replacement Costs

*Estimated Read Time: 12 minutes* If you are pricing a project and want a straight answer on air duct replacement cost, you are in the right place. This guide explains typical pricing in South Florida, what drives costs up or down, and how to avoid extras. You will see how we estimate, where we save you money, and when repair beats replacement. We also share local details that matter in humid attics from West Palm Beach to Fort Lauderdale. ## What Drives Air Duct Replacement Cost Most homeowners ask for one number. The truth is your price depends on size, layout, material, and access. We look at the whole system, not just the ducts. That is how we prevent hot rooms and wasted energy. Key drivers include: 1. Home size and tonnage - Larger systems need more trunk and run length. More materials and labor. 2. Layout and access - Tight attics, low truss bays, and condo chases increase time. 3. Material type - R6 vs R8 flex, metal trunk, or ductboard. Each has a different price and performance. 4. Design changes - Moving supplies, adding returns, or resizing for airflow has cost but pays back in comfort. 5. Code and permitting requirements - City rules and inspections can add time and fees. 6. Add-ons - Sealing, sanitizing, deodorizing, and in-duct purification systems affect the final price. In South Florida, many homes use a metal trunk with flex runs in hot, humid attics. Poorly sealed connections can sweat and grow odors. Replacing without sealing is a short-term fix that costs more later. We address leaks, insulation, and airflow together. ## Average Duct Replacement Pricing in South Florida Every home is unique, but ranges help planning. Here is what we see most often across West Palm Beach, Boca Raton, Coral Springs, and Fort Lauderdale. - Small home or condo, limited runs in easy access: lower range pricing. - Typical single-story home, 3 to 5 tons, trunk plus 8 to 12 runs: mid range. - Larger custom layout, two systems, design changes and returns: higher range. What pushes a project toward the higher end: - Low attic clearance that slows removal and install - Heavier insulation upgrade, like R8 throughout - Major redesign to fix long duct runs or hot rooms - Multiple returns and new filter rack work - Commercial projects that run after hours What keeps pricing lean: - Good access and clear pathways - Reusing sound metal trunk with new sealed flex runs - Minimal design changes and no chase rebuilds - Bundling sealing, deodorizing, and sanitizing during install We price projects after a thorough inspection. ECM offers a free in-home estimate and a free 99-point A/C system engineering assessment for system and duct performance. That prevents surprise adders. ## Signs You Need Duct Replacement vs Repair You do not always need full replacement. Many issues come from leaks or poor design. Start with a careful check. Choose repair or sealing when: - You have a few loose connections or crushed flex - Airflow balance is off but ducts are in good shape - Odors respond to deodorizing and sanitizing Consider replacement when: - Ductboard or flex is torn, moldy, or poorly insulated - Supply sizing is wrong across several rooms - Metal trunk has corrosion or persistent sweating - The system is noisy due to undersized returns Our Watt Saver maintenance plan includes “Ducts Sprayed with Deodorizer” and “Inspect Air Ductwork Condition,” which helps catch issues early. Many homes save more with sealing and tuned modifications than with a full tear out. ## Cost Breakdown: Materials, Labor, and Add-ons Material choices affect price and performance. Materials: - Flex duct R6 or R8: R8 costs more but reduces heat gain in hot attics - Metal trunk and takeoffs: durable and ideal for balance - Ductboard plenums: insulated and efficient when sealed right Labor: - Removal and disposal of old ducts - Fabrication of trunk or plenums - Hanging, strapping, sealing, and insulating connections - Balancing and testing airflow to every room Essential add-ons that protect the investment: - Professional sealing: Cuts leakage and energy loss. Often the best ROI. - Sanitizing and deodorizing: Controls odors after old duct removal. - In-duct purifier install: HALO-LED is mercury free and zero ozone compliant, with a seven-year limited warranty. We also remind customers of contract language. Standard service contracts often exclude ductwork from coverage. ECM’s posted terms list ductwork as not covered. That keeps expectations clear. ## How ECM Estimates and Controls Your Cost We take a technician-first approach. ECM does not use salespeople. An experienced tech inspects the attic, measures runs, and checks static pressure. We confirm design against your home load and your comfort goals. Our process to control cost: 1. Engineering assessment - Free 99-point A/C system engineering assessment available. We assess leakage, sizing, and return paths. 2. Upfront scope - You see which ducts get replaced, which are sealed, and which vents move. 3. Price clarity - One written proposal. No vague allowances. 4. Bundled value - We can include duct sanitizing and deodorizing during install for better results. 5. Post-install verification - We balance airflow and review results in each room before we leave. We also look for design wins. A second return near the primary bedroom can reduce noise and improve sleep. Shortening a long supply run can cool a west-facing room faster in afternoon heat. ## Save Money: Sealing, Design Optimization, and Maintenance The cheapest duct is the one you do not have to replace. Sealing and design tweaks often deliver big comfort gains for a lower cost. Money-saving tactics: 1. Seal first - Many South Florida homes lose 20 to 30 percent of conditioned air through leaks. Sealing pays back fast. 2. Right-size runs - Fixing a starved return can drop static pressure and improve efficiency. 3. Insulate wisely - R8 in hot attics reduces heat gain and sweating. It often solves odor complaints too. 4. Maintain regularly - ECM’s 29-point A/C Tune-Up includes “Ductwork Sanitizing with Disinfectant” and a deodorizer spray. It keeps ducts fresh and limits microbial growth. 5. Add purification when needed - The HALO-LED can reduce airborne and surface microbials, smoke, odors, and VOCs. Our Watt Saver maintenance agreement is shown at “Only $239 per year” and includes two 29-point tune-ups, priority service, and duct checks. Staying ahead of problems protects the duct investment. ## The Installation Process and Timeline Homeowners want a clean, fast job. Here is the typical flow for a single system home. - Day 1 inspection and final measurements - Permitting and materials ordered - Removal of old ducts and cleanup - Fabrication and installation of trunk, plenums, and runs - Sealing, strapping, and insulation check - Airflow balancing and deodorizing or sanitizing - Final walkthrough and instruction on filter changes Most single-system homes complete in one day once we start work. Complex layouts or tight access can add time. We protect floors and furniture and remove debris. South Florida attics can reach extreme heat. Our teams stage work to limit time with the attic hatch open. ## Permits, Code, and Warranties in Florida Many cities require a permit for significant duct replacement or relocation. Inspections confirm support, sealing, and insulation. We handle the permit and schedule the inspection. This avoids rework and fines. What we watch for in South Florida: - Proper strapping and support at each turn and branch - Insulation thickness that meets local code - Sealed takeoffs and boots to limit attic air intrusion - Return sizing that keeps static pressure in range Warranties: - Manufacturer warranties for installed products such as HALO-LED have a seven-year limited term - ECM backs craftsmanship with a 100% Satisfaction Guarantee We document your install and keep records for future service. That helps resale and maintenance. ## Financing, Insurance, and What Contracts Do Not Cover We help you compare options and protect your budget. - Financing - Spread cost over monthly payments. Ask about current plans. - Insurance - If ducts failed due to a covered peril, your carrier may assist. We can provide documentation. - Contracts - Many service contracts exclude ductwork. ECM’s published terms list “NOT COVERED: … ductwork ….” We will review this with you before you buy. Clarity prevents frustration. You will know what is covered, what is not, and why. ## Why Homeowners Choose ECM for Duct Projects - Local scale and speed since 1985. 200+ employees and 127 trucks. - Technician led. No commissioned salespeople. - Full suite of duct services: sealing, sanitizing, deodorizing, design, and in-duct purification. - Use of EPA-registered hospital disinfectant during sanitizing. Our Breathe Green service cites 99.999 percent kill claims against a wide list of bacteria and viruses. - Highly tuned duct work modification for optimum airflow and efficiency. - Free 99-point A/C system engineering assessment to inform design and cost. We design for comfort room by room, then build to that target. That is how you get the value you paid for. ## Special Offers for South Florida Homeowners - AC Maintenance with free duct sanitizing. Schedule a 29-point A/C Tune-Up and receive ductwork sanitizing at no extra charge. Call (561) 473-9463. - Free 99-point A/C system engineering assessment to evaluate system performance and ductwork. Call (561) 473-9463 or request online at https://ecmservice.com/. - Free quote for HALO-LED whole-home in-duct air purifier installation. Ask for current pricing when you schedule your estimate. ## What Homeowners Are Saying > "Excellent Service for duct cleaning. Knowledgeable and friendly tech who explained everything g he was doing and was very efficient." > –Randy C., Duct Cleaning > "Kadeem came today to seal the new ductwork. He was both pleasant and professional. The whole new a/c process from initial quote to finish was efficient." > –Leslie L., Ductwork > "Thank you for assigning Kadeem to service my home today. Kadeem arrived within the given window of time and he worked tirelessly for about 6 hours and did an overall exceptional job. ... Kadeem did an outstanding job in inspecting, cleaning and sanitizing all of my air ducts and the air duct covers. He also inspected and cleaned my compressor and air handler. Finally, Kadeem did a superb job in covering up/ protecting my personal items and cleaning up all the the debris & putting my furniture back. He left my home the way it was before he arrived, that meant a lot to me." > –Sylvia G., Duct Cleaning > "Dwight was very helpful with my issues. I would recommend him to anyone that needs duct work." > –Teniera B., Ductwork ## Frequently Asked Questions ### How much does air duct replacement cost in South Florida? Costs vary by size, access, materials, and design changes. Small condos can be at the low end. Typical single-story homes land mid range. Larger custom homes run higher. A free in-home estimate gives a precise number. ### Is it cheaper to repair or replace ducts? Repair wins if ducts are sound and only leak at joints. Replace when insulation is failing, runs are crushed, or sizing is wrong across many rooms. We inspect before we recommend. ### How long does duct replacement take? Most single-system homes finish in one workday once on site. Tight attics, complex layouts, or major redesigns can take longer. We review the schedule at your estimate. ### Do I need a permit for duct replacement? Many cities require a permit for significant duct changes. We handle permits and inspections. This prevents rework and ensures code compliance. ### Will new ducts improve my cooling bills? Yes if we seal leaks, right-size returns, and insulate to R8 where needed. Lower static pressure and less heat gain improve efficiency and comfort. ## Conclusion Air duct replacement cost depends on size, access, design, and add-ons. The right contractor diagnoses first, then builds a system that cools every room. ECM combines design, sealing, and sanitizing to deliver lasting comfort. If you are comparing air duct replacement cost in West Palm Beach, Fort Lauderdale, or nearby, start with a free estimate. We will show you options and a clear price. ## Ready to Price Your Duct Project? - Call ECM Air Conditioning at (561) 473-9463 - Schedule online at https://ecmservice.com/ - Ask about AC Maintenance with free duct sanitizing and the free 99-point A/C system engineering assessment Get a clear, written proposal and a comfort-first design. Book today and take control of your home’s airflow and energy use. About ECM Air Conditioning Since 1985, ECM Air Conditioning has served South Florida with 200+ employees and 127 trucks. We are technician led, not salesperson driven. We back work with a 100% Satisfaction Guarantee and hold licenses CAC-1822777, CFC-048260, and EC-0001843. Our team designs, seals, and optimizes duct systems for comfort and efficiency. Residential and commercial. Same-day options available.

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

The cost to replace residential ductwork varies and is confirmed after an on-site inspection. ECM offers free in-home estimates with equipment and ductwork inspections and a free 99-point A/C system engineering assessment. Pricing depends on home size, layout and access, existing duct condition, and whether you add sealing, sanitizing tune-ups, or in-duct air purification (HALO-LED or REME HALO). Our technicians review options and timelines during your visit in West Palm Beach and nearby cities. Updated: 2025-12-20 Need help in Lake Worth, FL? Call (561) 501-2567 or book online.

How much does ductwork replacement typically cost for homeowners?

Ductwork replacement cost depends on your home and scope. ECM confirms pricing after an in-home inspection. We offer free in-home estimates with equipment and ductwork inspections and a 99-point A/C system engineering assessment. Final cost depends on duct size, material, accessibility, layout changes, sealing needs, and add-ons like in-duct air purification (HALO-LED or REME HALO). Many Lake Worth and West Palm Beach homeowners pair replacement with duct sanitizing and sealing during tune-ups. Quick checks: - Uneven rooms - Excess dust - Whistling ducts - Rising energy bills Updated: 2025-12-20 00:00:00 Need help in Lake Worth, FL? Call (561) 501-2567 or book online.

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

Air duct replacement cost for a typical home is confirmed only after an on‑site inspection because pricing depends on system size, duct design, materials, and access conditions. Most price differences come from how much duct must be replaced versus repaired or sealed. If leaks are localized, sealing or selective run replacement often restores airflow; widespread damage, collapsed runs, or contaminated porous duct usually point to a full replacement. We service homes in and around Juno Beach and can evaluate whether targeted duct sealing or a full change‑out makes the most sense. - Key factors that raise or lower the price: total duct length and number of runs, attic/crawl access and obstacles, chosen materials and any plenum or trunk resizing, and any code‑required changes plus final sealing and air balancing. Schedule a free in‑home estimate to get a firm, written quote after we inspect the layout and access points. Updated: 2026-03-30 Need help in Juno Beach, FL? Call (561) 473-9463 or book online. “Excellent Service for duct cleaning. Knowledgeable and friendly tech who explained everything he was doing and was very efficient.” — Randy Core

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

Air duct cleaning costs vary by home, and ECM confirms pricing after an in-duct inspection. Size and number of vents, contamination, and access affect the final price. We offer duct sanitizing tune-ups, duct sealing, and in-duct air purification installs like HALO-LED or REME HALO. A technician provides an itemized quote during a free in-home estimate or 99-point A/C system engineering assessment. Service available in West Palm Beach and nearby. Updated: 2025-12-20 Need help in Lake Worth, FL? Call (561) 501-2567 or book online.

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

Seal leaks at joints and connections to improve airflow and reduce energy loss. ECM Air Conditioning offers duct sealing with in‑home equipment and ductwork inspections, plus a free 99‑point A/C system engineering assessment with quotes. Technicians can also include duct sanitizing during tune‑ups and install in‑duct air purification if needed. We serve Lake Worth and nearby West Palm Beach. Quick checks you can do: - Look for loose or disconnected duct joints. - Seal gaps with mastic or UL‑181 foil tape (not cloth duct tape). - Check returns and plenums for gaps. - Replace dirty filters to protect ducts. Updated: 2025-12-20 00:00:00 Need help in Lake Worth, FL? Call (561) 501-2567 or book online.

Duct Services in Greater Delray Beach

Name: ECM Air Conditioning
Address: 1727 Old Okeechobee Rd. West Palm Beach, FL 33409, Boynton Beach, Florida, 33426, US
Telephone: https://ecmservice.com/

Need cleaner, tighter ducts now? We provide duct cleaning, sealing, and sanitizing to boost airflow and indoor air quality. Serving the Greater Delray Beach area, including Fort Lauderdale, Boca Raton, and West Palm Beach. Our technician-led team has served Florida homes since 1985 and holds state licenses CAC-1822777 and CFC-048260, with a 4.5 rating from 3,821 reviews. Before summer humidity builds, schedule service. We offer transparent guidance and strong guarantees. Call or book online for fast, professional help today.

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Experience top-tier energy efficiency and secure installations with ECM Air Conditioning's expertly insulated ductwork.

Experience the reliability and precision of ECM Air Conditioning with our expertly installed and maintained HVAC systems that ensure comfort and efficiency in your home.

Experience top-tier maintenance and installation services with ECM Air Conditioning, where every detail is handled with precision for your comfort.

ECM Air Conditioning demonstrates professional HVAC installations that ensure top performance in your home.

Enhance your home's efficiency with ECM Air Conditioning, your trusted partner for top-notch HVAC solutions delivered with expert precision in every attic.

Each image is a real worksite photo, reflecting the quality and dedication in every project.

Why Choose Us

Licensed and insuredState licenses CAC-1822777, CFC-048260, EC-0001843, WARRANTY-80196.

Since 1985 local prosServing South Florida homes and businesses for nearly 40 years.

Technician-led serviceNo salespeople. Knowledgeable technicians explain options first.

24/7 availabilityDay or night response for urgent air quality issues.

Proven customer satisfaction4.5 rating from 3,821 reviews.

Why Homeowners Recommend Us

quality

"Kadeem did an outstanding job in inspecting, cleaning and sanitizing all of my air ducts."

— Google reviewer

professionalism

"Excellent service for duct cleaning. Knowledgeable and friendly tech who explained everything."

— Google reviewer

thoroughness

"Came for air duct cleaning and did a fabulous job. Explained everything and was efficient."

— Google reviewer

Answers to Common Questions

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How much does it cost to replace ductwork in a typical home?
The cost to replace residential ductwork varies and is confirmed after an on-site inspection. ECM offers free in-home estimates with equipment and ductwork inspections and a free 99-point A/C system engineering assessment. Pricing depends on home size, layout and access, existing duct condition, and whether you add sealing, sanitizing tune-ups, or in-duct air purification (HALO-LED or REME HALO). Our technicians review options and timelines during your visit in West Palm Beach and nearby cities.
 Updated: 2025-12-20 
Need help in Lake Worth, FL? Call (561) 501-2567 or book online.
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How much does ductwork replacement typically cost for homeowners?
Ductwork replacement cost depends on your home and scope. ECM confirms pricing after an in-home inspection. We offer free in-home estimates with equipment and ductwork inspections and a 99-point A/C system engineering assessment. Final cost depends on duct size, material, accessibility, layout changes, sealing needs, and add-ons like in-duct air purification (HALO-LED or REME HALO). Many Lake Worth and West Palm Beach homeowners pair replacement with duct sanitizing and sealing during tune-ups.

Quick checks:

Uneven rooms

Excess dust

Whistling ducts

Rising energy bills

 Updated: 2025-12-20 00:00:00 Need help in Lake Worth, FL? Call (561) 501-2567 or book online.
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How much does air duct replacement cost for a typical home?
Air duct replacement cost for a typical home is confirmed only after an on‑site inspection because pricing depends on system size, duct design, materials, and access conditions. Most price differences come from how much duct must be replaced versus repaired or sealed. If leaks are localized, sealing or selective run replacement often restores airflow; widespread damage, collapsed runs, or contaminated porous duct usually point to a full replacement. We service homes in and around Juno Beach and can evaluate whether targeted duct sealing or a full change‑out makes the most sense.

Key factors that raise or lower the price: total duct length and number of runs, attic/crawl access and obstacles, chosen materials and any plenum or trunk resizing, and any code‑required changes plus final sealing and air balancing.

Schedule a free in‑home estimate to get a firm, written quote after we inspect the layout and access points. Updated: 2026-03-30 Need help in Juno Beach, FL? Call (561) 473-9463 or book online. “Excellent Service for duct cleaning. Knowledgeable and friendly tech who explained everything he was doing and was very efficient.” — Randy Core
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How much does air duct cleaning cost for an average home?
Air duct cleaning costs vary by home, and ECM confirms pricing after an in-duct inspection. Size and number of vents, contamination, and access affect the final price. We offer duct sanitizing tune-ups, duct sealing, and in-duct air purification installs like HALO-LED or REME HALO. A technician provides an itemized quote during a free in-home estimate or 99-point A/C system engineering assessment. Service available in West Palm Beach and nearby.
 Updated: 2025-12-20 
Need help in Lake Worth, FL? Call (561) 501-2567 or book online.
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How Can I Seal a Leaking Air Duct to Improve HVAC Efficiency?
Seal leaks at joints and connections to improve airflow and reduce energy loss. ECM Air Conditioning offers duct sealing with in‑home equipment and ductwork inspections, plus a free 99‑point A/C system engineering assessment with quotes. Technicians can also include duct sanitizing during tune‑ups and install in‑duct air purification if needed. We serve Lake Worth and nearby West Palm Beach.

Quick checks you can do:

Look for loose or disconnected duct joints.

Seal gaps with mastic or UL‑181 foil tape (not cloth duct tape).

Check returns and plenums for gaps.

Replace dirty filters to protect ducts.

 Updated: 2025-12-20 00:00:00 Need help in Lake Worth, FL? Call (561) 501-2567 or book online.
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Where We Work

What areas do you serve for duct services?

We serve the Greater Delray Beach region, with frequent visits to Fort Lauderdale, West Palm Beach, and Boca Raton. See the full service list below for all cities we cover.

Greater Delray Beach

Fort Lauderdale, FLWest Palm Beach, FLBoca Raton, FL

Complete Service Area:

Delray Beach, FLFort Lauderdale, FLPalm Beach Gardens, FLPalm Beach, FLNorth Palm Beach, FLLantana, FLCoconut Creek, FLLake Worth, FLJupiter Island, FLDeerfield Beach, FLJensen Beach, FLParkland, FLPort Saint Lucie, FLJuno Beach, FLBoynton Beach, FLSunrise, FLCoral Springs, FLHollywood, FLWest Palm Beach, FLLake Worth Beach, FLMargate, FLWellington, FLJupiter, FLStuart, FLBoca Raton, FLTamarac, FLWeston, FLPort St. Lucie, FLPompano Beach, FL

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