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Posted: March 16, 2026
If you live in an older home, your ductwork may be quietly undermining your comfort, air quality, and energy efficiency. Over time, ducts naturally develop small gaps, cracks, and loose connections. These openings allow heated and cooled air to escape before it ever reaches your living spaces.
This issue is especially relevant across the Delaware Valley, where many homes were built decades ago. While these homes offer charm and character, their duct systems often reflect their age. Even newer homes are not immune. Poor installation, shifting materials, or overlooked connections can create hidden leaks that reduce performance.
At Wilson Oil and Propane, our duct inspections often reveal leakage in both older and newer homes. In older systems, deterioration is the most common cause. In newer homes, installation errors or loose fittings are often to blame. Either way, leaky ducts mean your HVAC system must work harder and run longer to keep the desired temperature.
The consequences go beyond energy waste. Leaky ducts can pull dust, insulation particles, and allergens into your airflow. This reduces indoor air quality and contributes to excessive dust buildup throughout your home. Rooms may feel unevenly heated or cooled, and your system may struggle to support consistent comfort.
Energy loss is another major concern. When conditioned air escapes into attics, basements, or wall cavities, your HVAC system must compensate by using more fuel or electricity. In some cases, homeowners see energy costs increase by as much as 30% due to duct leakage alone.
Most of these leaks are invisible. In fact, up to 90% of ductwork is hidden behind walls, ceilings, or insulation. That makes professional testing and sealing the only reliable way to fully address the problem.
This is where advanced solutions like Aeroseal play a role. This innovative process seals duct leaks from the inside by distributing a safe, non-toxic sealing mist throughout the system. The particles naturally collect at leak points and seal them, even in areas that cannot be reached manually.
The effectiveness of this technology has earned national recognition. The U.S. Department of Energy has named Aeroseal as one of the most important energy conservation technologies introduced for consumers. It has been successfully used in homes, schools, hospitals, and government facilities across the country.
Sealing your ducts delivers immediate and lasting improvements in key areas:
The first step toward better comfort and efficiency is to set up a professional duct inspection with us. During this evaluation, technicians measure how much air your duct system is losing and find problem areas.
Once the leaks are sealed, the improvement is measurable. Many homeowners see leakage reduced by up to 90%. The sealing process typically takes less than a day, and you receive documented before-and-after results that show the difference.
Beyond the numbers, the real benefit is how your home feels afterward:
Duct sealing is one of the most effective upgrades you can make, especially in older homes. It addresses comfort, efficiency, air quality, and safety all at once.
Whether your home is decades old or relatively new, having your ductwork professionally evaluated can reveal hidden problems and unlock meaningful improvements. With the right solution, you can enjoy a healthier, more comfortable home while reducing energy waste and protecting your HVAC investment for years to come.
Please reach out to us to learn more about duct sealing and our other HVAC services.
