RecruitingBehavioural interventionThe Benefits of Home Exercise in Pulmonary Hypertension Interstitial Lung DiseaseThis study evaluates the effects of a structured home exercise program in participants with pulmonary hypertension associated with interstitial lung disease. Participants will complete a defined exercise regimen over a 16-week period, and functional capacity and patient reported outcomes will be assessed at baseline and after the intervention. The study aims to determine whether a home-based exercise approach is feasible and associated with improvements in functional performance.