🛠️ Duct Repair Tips Every Homeowner Should Know
Air ducts are the hidden heroes of your HVAC system. They carry warm or cool air from your heating and cooling unit into the rooms of your home. But when ductwork is damaged, leaky, or dirty, it can cause major problems—including energy loss, poor air quality, and uncomfortable indoor temperatures. In this guide, we’ll walk you through the most important duct repair tips to help you keep your HVAC system running efficiently and your air clean.
🔍 Inspect Your Ducts Regularly
One of the simplest but most important tips is to inspect your ducts at least once a year. Look for signs of visible damage like crushed ducts, disconnected joints, holes, or rust. Use a flashlight to check accessible areas, especially in basements, crawl spaces, and attics where duct problems often go unnoticed.
If your HVAC system is running harder than usual or if certain rooms feel stuffier or less comfortable, damaged ducts could be the reason.
💨 Look for Air Leaks
Air leaks in your ductwork can waste 20–30% of your HVAC energy. To check for leaks, run your system and feel around joints and seams for air escaping. You can also use incense or a smoke pencil—if smoke wavers near a duct, you’ve got a leak. Sealing leaks with foil tape or mastic sealant is a quick and affordable fix that improves efficiency instantly.
🔧 Practical Duct Repair Tips
🪛 Use the Right Tape
Never use regular duct tape—it degrades quickly with heat. Use UL-181 foil-backed tape or mastic sealant for durable sealing.
🧽 Clean Ducts Before Sealing
Dust and debris can prevent sealant from sticking. Wipe surfaces clean before applying tape or compound for the best results.
📐 Insulate Exposed Ducts
Ducts in unconditioned spaces (like attics or garages) should be wrapped with insulation to prevent heat loss or condensation.
🧯 Avoid Fire Hazards
Keep ducts clear of combustible materials, especially near gas-powered furnaces or water heaters.
🔁 Check Return Ducts
Return ducts are just as important as supply ducts. Blocked or damaged return ducts reduce airflow and stress your system.
🛑 Don’t Ignore Rattling Sounds
Vibrations or rattling noises from your ducts could signal loose fittings or internal damage that needs attention.
🌬️ Balance Your Airflow
Uneven room temperatures may be due to unbalanced airflow caused by blocked or leaky ducts. Use dampers or adjustable vents to redirect air to underperforming rooms. In some cases, a professional duct test may be needed to measure airflow and pressure in different zones of your home.
Balancing airflow ensures all areas of your home stay equally comfortable year-round.
🧼 Clean Dirty Ducts
Dust, allergens, pet hair, and even mold can accumulate inside ducts. While basic cleaning of vents can be done yourself, a full duct cleaning should be handled by professionals every 3–5 years or sooner if you notice mold smells, pest infestations, or extreme dust.
Clean ducts lead to healthier indoor air quality and better system performance.
🔧 Hire Professionals for Major Repairs
While DIY repairs are great for sealing small leaks, larger issues like collapsed ducts, complete rerouting, or replacing deteriorated sections should be done by a licensed HVAC contractor. They have the tools to run pressure tests, detect hidden leaks, and ensure your duct system meets safety and performance standards.
💡 Benefits of Timely Duct Repair
- ✔️ Improved energy efficiency and lower bills
- ✔️ Better indoor air quality for your family
- ✔️ Even heating and cooling across all rooms
- ✔️ Extended lifespan of your HVAC system
- ✔️ Reduced risk of mold, allergens, and pollutants
By staying on top of duct maintenance and repair, you not only protect your HVAC system but also ensure a healthier and more comfortable home environment.
📞 Call Us for Expert Duct Repair
If you’re experiencing high energy bills, uneven room temperatures, or poor airflow, don’t wait. Our team provides professional duct inspections, repairs, and sealing services that help restore your system’s performance and your home’s comfort.
📱 Contact us today at: (818) 921-4305 to schedule your duct repair service and breathe easier indoors.