Abstract

With the growing demand for energy-efficient buildings worldwide, green retrofitting has become a key solution to reduce energy consumption, improve environmental quality, and extend the life cycle of existing buildings. In particular, deep retrofitting strategies have shown tremendous reductions in energy bills and a more sustainable approach to the deterioration of existing infrastructure. This study takes a holistic approach to project planning, operations, maintenance, procurement, and stakeholder collaboration. It questions how sustainable management supports successful green retrofit projects, what barriers stand in the way of green retrofitting, and what steps can be taken to guarantee energy savings under specific stressors, such as climate zone, availability of renewable energy, initial cost, and involvement of expertise. Through a literature review, the study compares retrofitting practices in Jordan and Canada, examining financial, technical, and policy frameworks. In addition, successful case studies demonstrating how sustainable management can deliver significant outcomes in terms of energy use and greenhouse gas emissions reduction were presented. It also highlights the benefits that green retrofits could yield for a building, including operating costs, average payback period, and asset value. The research findings underscore the need for a cohesive management strategy determined in the early stages that binds retrofit choices to long-term economic performance, regional climate considerations, and sustainability objectives. Additionally, regional policies for green retrofitting of existing structures must be established to create a clear framework for decision-makers.

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