Motivational Interviewing and Air Cleaners for Smokers With COPD (MOVE COPD)

The active treatment arm will receive two active air cleaners with HEPA and carbon filters to support a home smoking ban and SHS reduction.

"The active treatment arm will receive 4 sessions of phone based motivational interviewing to support a home smoking ban and SHS reduction (in addition to the smoking cessation counseling received by all study participants).~The Control arm will receive only continued counseling for smoking cessation."

The Control arm will receive sham air cleaners