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If existing systems with CFCs need to be phased out, there could be a considerable first cost in converting existing systems or purchasing new equipment. However, your first cost will almost always be justified by longer-term energy and maintenance cost s

If existing systems with CFCs need to be phased out, there could be a considerable first cost in converting existing systems or purchasing new equipment. However, your first cost will almost always be justified by longer-term energy and maintenance cost savings. 

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