Air Duct Sealing Services

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Businesses nationwide count on Aire Serv® to provide energy-efficient and cost-effective HVAC solutions. Commercial properties may experience leaky air ducts caused by gaps, holes or cracks in the ductwork. These leaks may expand over time due to improper installation, corrosion, pests, damage during maintenance or natural aging/deterioration. Professional duct sealing fixes the damage, reducing energy costs and improving indoor air quality.

Contact Aire Serv today to schedule an air duct assessment.

Why Seal Your Air Ducts? The Benefits of Duct Sealing

Leaky air ducts are notorious for allowing air to escape into ceiling plenums, utility areas, or walls. As a result, overworked HVAC systems may pull in dust, pollutants, and allergens from outside or unconditioned spaces, disbursing them throughout the facility. These air quality issues can affect the health and productivity of occupants and exacerbate mold and mildew issues.

Sealing air ducts creates optimal airflow, helping your commercial HVAC system work efficiently and use less energy, so your business avoids overpaying for your heating and cooling needs. Other benefits of professional duct sealing include:

  • Consistent Cooling/Heating: With consistent temperatures throughout the property, employees and visitors can enjoy a more comfortable indoor environment without troublesome hot and cold spots that result from air duct leaks.
  • Cost Savings: Leaking ducts force the HVAC system to work harder, driving up energy bills. Professional air duct sealing alleviates the strain on your HVAC system and can help lower energy bills.
  • Improved Air Quality: Sealing air duct leaks helps prevent pollutants and allergens from circulating through the space, promoting better respiratory health, fewer allergies, and reduced or eliminated odors.
  • Extended System Lifespan: Proper maintenance and regular inspections of your property’s air ducts can extend the lifespan of the HVAC system, leading to fewer air duct repairs or replacements. That equals reduced operational costs for your facility.

Why Choose Aire Serv for Air Duct Repair and Sealing

With locations nationwide, there's always a locally owned and operated Aire Serv team near you. Discover why businesses choose Aire Serv and review our customer testimonials. We’re the trusted experts for your commercial HVAC needs.

Air Duct Sealing Tips & Advice

Leaky air ducts are often caused by gaps, holes or cracks in the ductwork that expand over time. Ensuring commercial ductwork is properly sealed and insulated can protect against them as well as condensation and water damage that lead to mold growth.

In addition, scheduling air duct cleaning every 3 to 5 years removes dust, dirt, microbes, and more—all of which can contribute to restricted air flow, poor indoor air quality, unpleasant odors, and other issues.

Ready to schedule an inspection? Contact the commercial air duct sealing experts at your local Aire Serv.

All Aire Serv franchises are locally owned and operated and may offer fewer or more services than those listed here. To learn more about the air duct sealing services offered in your area, contact the Aire Serv nearest you for details or a customized on-site assessment.

Air Duct Sealing FAQs

As an industry leader and a brand that is trusted by homeowners and businesses nationwide for our knowledge and experience, we’re happy to answer your questions. Here are answers to some of the frequently asked questions about air ducts.

Commercial duct sealing can provide numerous benefits, from reduced heating and cooling costs to enhanced occupant comfort. While the initial cost will vary depending on the property’s size and the ductwork’s complexity, ongoing savings include:

  • Decreased maintenance costs
  • Reduced energy usage
  • Fewer air quality-related health problems

Duct tape has been the go-to solution for minor air duct repairs for years, especially with homeowners. However, while it offers a simple solution for small leaks in residential ductwork, duct tape doesn’t have the durability or performance needed for commercial ductwork. A professional air duct sealing service will typically use duct mastic or mastic tape to repair commercial duct leaks.

Duct Mastic

Duct mastic is a flexible, waterproof product that is an excellent filler, adhesive, and duct sealant. Water-based mastic duct sealant is often preferred because it cleans up quickly and is highly durable. Oil-based duct sealant is ideal for optimal seam coverage and has a longer lifespan than a water-based formula, but the intense fumes and challenging cleanup should be considered.

Mastic Tape

Mastic tape is a dense adhesive tape used for a wide range of purposes, including sealing ducts. The thick tape is also ideal for sealing connections, plenums, air handler cabinets, and other components. Duct mastic tape is especially practical for hard-to-reach leaks and awkwardly shaped areas, and stays put no matter the temperature.

Sealing ductwork includes sealing gaps, damaged joints, cracks, tears, and other damage that can compromise an HVAC system’s efficiency. Ductwork sealing is effective against air leaks in low, medium, and high-pressure systems. Properly sealed air ducts prevent both conditioned air from escaping and dirt, dust, and airborne pathogens from entering circulation.

When installed by an HVAC professional, duct sealing should last as long as the HVAC system. Depending on the sealant material and application method, it can last for a decade or more with proper maintenance.

Regular maintenance inspections can help locate air duct leaks. In addition, signs of damage typically present as:

  • Temperature variations: If parts of the property experience inconsistent temperatures despite a centralized HVAC system, leaks in the ductwork may be causing some areas to be too hot or cold.
  • Higher energy costs: Leaking air ducts may cause inefficient HVAC operation, leading to spikes in energy bills since the system has to work harder to maintain the set temperature.
  • Dust, mold, and odor issues: Air duct leaks draw in dust, contaminants, and odors from outdoors or unconditioned spaces and circulate them throughout the building.
  • Poor air quality: Occupants reporting aggravated allergy symptoms, respiratory problems, or a general decline in indoor air quality could indicate the presence of pollutants in the ductwork. Air duct sealing helps maintain clean, healthy air throughout the building.
  • Noisy HVAC operation: A rattling, whistling, or banging HVAC system may indicate gaps or holes in the ductwork that need immediate attention.
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