1. 𝐏𝐫𝐨𝐩𝐞𝐫 𝐕𝐞𝐧𝐭𝐢𝐥𝐚𝐭𝐢𝐨𝐧 Ensure enough fresh air in the building and remove stale air, especially if your facilities don’t have open windows or doors, such as office buildings. 2. 𝐅𝐢𝐥𝐭𝐞𝐫 𝐎𝐮𝐭 𝐏𝐨𝐥𝐥𝐮𝐭𝐚𝐧𝐭𝐬 Installing upgraded filtration for your HVAC system will…