ESCO Air Conditioning Practice Exam 2025 – The All-in-One Guide to Exam Success!

Sealing ductwork in an HVAC system primarily reduces energy losses and enhances efficiency. This benefit arises because unsealed or poorly sealed ducts can lead to significant air leaks, which means that conditioned air intended for a specific space may be lost to unconditioned areas, like attics or crawl spaces. By sealing these ducts, the HVAC system operates more effectively, ensuring that the air reaches the intended living spaces without unnecessary losses.

When ductwork is properly sealed, the air distribution becomes more consistent, helping to maintain desired temperatures and reducing the workload on the HVAC system. This leads to lower energy consumption, which can translate into reduced utility bills over time, and extended lifespan of the HVAC system due to less strain.

Sealing ducts also contributes to improved comfort levels within the home, as it allows for better control over temperature and humidity. Overall, this practice is essential for maximizing the performance of an HVAC system while also offering economic and comfort benefits to the occupants.