What ethical considerations guide appliance repair businesses when deciding between fixing old models and promoting the purchase of newer, more efficient units?

ANSWER: Appliance repair businesses must balance ethical considerations of honesty and environmental impact when advising between repairing old models or purchasing new, efficient units. They should provide transparent information about the lifespan, cost-effectiveness, and energy efficiency of repairs versus new purchases. Recommendations should prioritize the customer's financial and environmental interests, avoiding unnecessary upselling of new appliances when a repair is viable and more sustainable, thus ensuring consumer trust and reducing waste.