The response rate was 62.5%. The main defects that were pointed out in houses were mold infestation (44%), house-dust mite contamination (32%), and volatile organic compound exposure (9%) from new furniture, work being performed, and hobbies. Masonry work, mold decontamination, and plumbing had been performed in 59.4% of those houses. With guidance provided to the participating families, the total compliance rate was estimated to be 50%, the partial compliance rate was 20%, and the noncompliance rate was 30%. Noncompliance was linked to moving, and to time and money constraints. The overall efficacy of the service was evaluated to be total by 3% of families, almost total by 31% of families, partial by 56% of families, and null by 10% of families.