The checklist can help you identify measures that you can “Do Yourself” and ones that you need support from professionals ( e.g. Energy service companies (ESCOs), Solar Installers)
Energy service companies can help you implement more complex measures which result in higher energy savings
Such as :
Energy auditing/inspection is an assessment of your energy consumption and performance of equipment to define energy conservation measures (ECMs) that can help you reduce your utility bills without affecting your comfort.