MERV 14 vs HEPA: What’s the Real HVAC Impact on Your Home?
A standard residential HVAC blower motor is rated to move between 400 and 1,200 CFM of air — and that capacity assumes a filter with a pressure drop the system was built to handle. A true HEPA filter demands resistance levels that most residential blowers were never engineered to sustain. That single mechanical reality sits … Read more