What MERV Rating Filter Should I Use for My HVAC System?

Indoor Air Quality | Orange County, CA

Expert answer to "What MERV Rating Filter Should I Use for My HVAC System?" — backed by EPA, DOE, and ASHRAE data. From Breezy Air Services, Orange County's diagnostic-first HVAC company.

For most residential HVAC systems, **MERV 11-13 provides the best balance between air filtration and system performance.** MERV 13 captures **85%+ of particles down to 1.0 micron** (including mold spores, bacteria, and fine dust) without significantly restricting airflow in properly designed systems. However, the correct answer for YOUR system depends on your ductwork design, blower capacity, and current static pressure — a filter that's too restrictive can damage your equipment. ## Understandi...

Read the full article from Breezy Air Services — diagnostic-first HVAC experts serving Orange County. Call (714) 606-0814 to schedule service.