Having a functional AC unit is extremely important no matter what state you live in. The average life span for an AC unit is roughly twelve to eight-teen years. If your unit is in that age range, maintaining it is more important than ever. You may have heard that if you plan to spend more than $500-$700 on repairs you should just replace the unit all together.DO NOT do this! There aren’t many repairs that are under $500. AC repairs Gaithersburg Maryland start at around $200 just for tests to figure out what’s wrong with your unit. Depending on what you need costs for repairs can run OVER $800. However, the costs are worth it to keep you and your family comfortable. In Gaithersburg Maryland, the temperatures can get upto 85 degrees and with high precipitation it can feel like 90! Even if your AC unit is in it’s older years, the costs of repairs is worth the comfort.