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Should I replace my HVAC system?

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Question: Should I replace my HVAC system?
Your HVAC system is typically one of the biggest energy users in your home – accounting for as much as half of your energy use. Could it be time to replace yours with a more efficient system?
Answer: Energy Star recommends replacing your HVAC system, if it is more than 10 years old or no longer keeping your house comfortable. A new Energy Star system could save you close to $200 a year on your utility bill.
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