We recommend a whole house air cleaner. I recommend and use the Aprilaire 5000. After installing and servicing the Aprilaire 5000 for the last 5 years, I am confident of its performance in removing dust, pollen, and other allergy causing debris from the air in the home. I installed one in my house based on the testimony of my customers who have one. It works! Call for an in home visit to see if the Aprilaire 5000 is right for you.