How do Static Pressure Troubleshooting After Filter Upgrades or Restrictive Grilles? - Home Decor Champ
Problems with static pressure can occur right after you change the filter or fix the grille, because the system can’t keep up with changes in airflow resistance. A filter that catches dust mo...

Source: Home Decor Champ
Problems with static pressure can occur right after you change the filter or fix the grille, because the system can’t keep up with changes in airflow resistance. A filter that catches dust more effectively can also cause a larger drop in pressure if it’s too small or the return duct is already too narrow. This …