Abstract
Eco-friendly products are designed to minimize environmental impacts from material extraction to disposal. Life-cycle assessment (LCA) quantifies the environmental impact of a product throughout its life cycle. The present study was performed to establish a product improvement plan for an eco-friendly electric fan heater by comparing two standing-type electric fan heaters ('W' and 'H' models) in terms of performance, usability, and environmental impact. Performance measurements of the heaters such as temperature, humidity, wind speed, noise, and power were collected in a laboratory setting. Then, usability assessments such as operation satisfaction, aesthetics, and overall satisfaction were surveyed for the two heaters using a 5-point scale (1 for very unsatisfied and 5 for very satisfied). Finally, LCA was performed for the heaters using an eco-design process. Of the life cycle phases, the use phase of heater was found having the highest environmental impact. Performance, usability, eco-friendliness, and market competitiveness being considered, two sets of heater design concepts for improvement of energy efficiency and reduction of environment impact were proposed in the study.
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