Your AC plays an important role in the home, helping to circulate cool air, reduce humidity, and maximize home comfort. Whatever the reason, replacing an AC is an important decision. Because HVAC equipment is such an infrequent purchase (every 10-15 years on average), many homeowners may feel lost when it's time to purchase a new system. Here are some tips to help you through the buying process. Finding the Right Contractor The efficiency and performance of your air condition