In my first article in this series, I reviewed the basic components of home performance contracting (HPC); the reasons why I believe that it belongs in the HVACR industry; and the benefits that it provides to both customers and contractors. In the second article, I discussed the skills and tools necessary to get started in HPC and began to overview my perceptions of the advantages gained by joining a proven, well-established franchise or membership organization. In this, the final article of the series, I want to examine those criteria that require critical investigation in the selection of an HPC partner.