A dynamic, fully-integrated computer-server-based platform (platform) provides users with tools for making informed decisions about available energy upgrades and for implementing desired home energy upgrades. In various embodiments, the platform provides various combinations of: (i) a variety of educational and assessment tools, including a Virtual Home Energy Audit (VHEA), which provides users with a customized home energy-savings plan detailing the financial and/or environmental impact of each upgrade alternative on a relative and absolute basis, (ii) product selection and purchase, (iii) access to arrangement and scheduling of in-home services through a network of professionals, (iv) financing solutions, and (v) a data registry that verifies completed upgrades and associated savings. The platform takes a holistic view of energy solutions, and provides tools across a broad spectrum of energy-related products and/or services.