Frequently Asked HVAC Questions

Use MERV 11 filters to eliminate contaminants such as humidifier and lead dust, automobile emissions, welding fumes, legionella, milled flour, and nebulizer drops in addition to larger particles like pollen, mold, pet dander, dust and dust mites, carpet and textile fibers, insect debris, sanding and spray paint dust, cement dust, pudding mixes, fabric protector, dusting aids, and hair spray.

  • Removes contaminant particles as small as 1 micron
  • Ideal for those with multiple pets; those suffering from allergies, asthma, and respiratory illnesses or have compromised immune systems; and sterile healthcare environments
  • Change or clean every 6-9 months, or according to the manufacturer’s specifications

MERV9