Humidity & Filtration
MERV, filter pressure drop and moisture removal.
High Indoor Humidity with the AC Running: Causes and Fixes
Why a house stays humid even with the air conditioner working, from oversizing and airflow to fan settings, duct leaks and ventilation.
MERV Ratings and Filter Pressure Drop: Picking a Filter That Won't Choke the System
What MERV ratings mean, how filter pressure drop affects airflow and static pressure, and how to choose a filter without restricting the blower.
AC Leaking Water Inside: Condensate Drain, Float Switch and Pan Problems
Why an air handler or furnace coil leaks water indoors, how to find the cause fast, and how to clear and protect the condensate drain so it doesn't come back.