Know All You Can About Static Pressure HVAC

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Proper static pressure in HVAC systems is a matter of not too much and not too little. The term refers to the air pressure inside ductwork that distributes cooled and heated air throughout the house. Ductwork is designed and sized to maintain a specific, calculated static pressure. Low static pressure in HVAC systems is rare and mostly triggers minor issues. However, high static pressure presents real problems relating to imbalanced airflow, reduced energy efficiency, and even damage to certain vital components.

Signs of High Static Pressure

How High Static Pressure Happens

An HVAC air filter that is too thick and/or dense restricts system airflow excessively, producing high static pressure. Filters with a MERV (Minimum Efficiency Reporting Value) rating of 8 to 10 provide the best combination of efficient air filtration without obstructing airflow excessively and causing high static pressure.

Many causes of excess static pressure can also be traced to ductwork issues. Collapsing ducts, sagging ducts, improper ductwork design and sizing — as well as mistakes occurring during installation of the ducts — may all elevate static pressure.

For more about the causes and cures of high static pressure in HVAC systems, contact the professionals at Jackson & Sons.

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When you need heating or air conditioning repairs, maintenance or system replacements, you need a company you can count on for dependability and quality service. Contact us at Jackson & Sons at 919-734-9611. Our professional team of technicians look forward to providing energy efficient and cost effective solutions to keep your home or business comfortable at all times.

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