Abstract

This Guidebook presents the fundamentals for specific energy efficiency and other renovation measures in existing buildings for which HVAC systems play an important role. Emphasis is placed on market-ready and technically mature solutions that have been proven in practice to increase building renovation rates and facilitate the enregy renovation process of existing buildings. The Guidebook presents results from field studies with quantified energy savings that are complemented with payback time estimates to document the overall benefits resulting from different renovation measures that can be implemented by HVAC professionals and practitioners.