What Furnace Filter To Buy May 2026
: MERV 8 is the sweet spot for most households. It provides solid filtration without stressing the motor .
: MERV 13 is excellent for asthma but should be checked for compatibility with your HVAC system’s airflow requirements. Expert Maintenance Tip what furnace filter to buy
: MERV 11 is recommended for multi-pet homes or those with seasonal allergies, as it captures finer dander and pollen. : MERV 8 is the sweet spot for most households
The Minimum Efficiency Reporting Value (MERV) tells you how well a filter traps particles. MERV Rating Large particles (lint, dust) Protecting the furnace motor only. MERV 5–8 Mold spores, hair, pet dander Standard homes with no pets or allergies. MERV 11–13 Smoke, bacteria, smog Homes with pets, smokers, or allergy sufferers. MERV 14–16 Viruses, fine tobacco smoke Highly sensitive individuals or clinics. 3. Choose Your Filter Material Expert Maintenance Tip : MERV 11 is recommended
: Made of polyester or cotton folds. These have more surface area, allowing them to trap more particles without instantly clogging.