Inclusion Criteria:  Diagnosed chronic heart (CHF) failure by echocardiography Functional class II-IV according to the New York Heart Association (NYHA) Symptoms of breathlessness and/or tiredness rated 2-5 by patients using five-point scales, ranging from asymptomatic (1) to symptoms at rest (5) Stable condition, that is no deterioration of heart failure symptoms or new CHF drug or hospitalizations because of decompensated heart failure within the last four weeks  Exclusion Criteria:  Severe psychiatric diagnosis (requiring treatment) Severe substance abuse (documented in journal) Severe somatic disease with short expected survival (i.e., malignancy) Communication difficulties (i.e., impaired vision or hearing, need of an interpreter to understand Swedish) Cognitive or adherence difficulties (documented in journal) Unstable angina pectoris Post-partum cardiomyopathy Ongoing participation in any other interventional study Unwillingness to participate