Top Issues With Ductwork for HVAC Systems

Ducts are integral to any HVAC system, helping move air from the furnace or air conditioner to the rest of a home.

Ducts are integral to any HVAC system, helping move air from the furnace or air conditioner to the rest of a home. Inadequately installed and maintained ductwork may compromise a home’s heating and cooling. Unfortunately, the issues that can arise with faulty ductwork are not often obvious.

Dirty or corroded ducts

Several factors contribute to dirty ducts, including dust, pollen, pet dander, and mold. When these contaminants build up, the system needs to work harder to move the air, lowering the overall efficiency and possibly causing health problems for people suffering from allergies or asthma.

Corroded ductwork is another common problem. The metal used in most ductwork will erode over time if it isn’t adequately protected. This corrosion can cause holes and leaks, reducing the system’s efficiency and allowing air to escape. In severe cases, corrosion can even cause structural damage to the home.

Cracked or damaged ducts

Cracked or damaged ducts can cause a loss of air pressure in the system, leading to reduced efficiency. In addition, these cracks can allow dust and other debris to enter the ductwork and spread throughout the home. This contamination can cause allergies or other respiratory problems.

An HVAC maintenance professional can determine the damage’s extent and recommend the best course of action for repairs.

Loose or poorly sealed registers and grills

Poorly sealed registers and grills can cause several problems for the HVAC system:

  • They can allow conditioned air to seep out, leading to higher energy bills.

  • Outside air may enter the ductwork, increasing the dust and debris in the system.

  • Openings can create noise in the HVAC system, which can be disruptive in a home.

Clogged ducts

Dust, debris, and other particles can build up in the ductwork over time, causing airflow restriction and reducing efficiency. Furthermore, clogged ducts can also lead to unhealthy air quality.

If one suspects clogged ducts, a professional should clean them as soon as possible. Ignoring the problem will only worsen and could eventually cause severe damage to the HVAC system and health issues in the home.

Poor insulation

One of the top issues with ductwork for HVAC systems is poor insulation. Inefficient insulation can lead to numerous problems, including:

  • Heat loss: Poorly insulated ductwork can result in significant heat loss before the warm air reaches the intended target. Higher energy bills and uncomfortable indoor temperatures may ensue.

  • Condensation: When warm air hits cold ductwork, condensation can form. This water can then drip onto the insulation, causing it to deteriorate and potentially lead to mold growth.

  • Drafts: If there are gaps or holes in the ductwork, cool air can escape, leading to drafts in the home.

Safeguard the HVAC ductwork

Ensuring correctly insulated ductwork is crucial to avoid these problems. Quality insulation will keep a home comfortable and energy bills low.



Fix My Air DFW of Fort Worth specializes in residential and commercial HVAC services, including routine maintenance, installation, and repair. All makes/models. Call us at (817)839-3511.

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