Don’t make the mistake of keeping your old air conditioner long than you should. An old air conditioner will perform poorly, cost you more money in repairs and eventually become more trouble ...

Or perhaps it's time to replace an old and inefficient central air conditioner. There are a number of options to consider, including high-efficiency systems that can reduce electrical cooling ...

Among air conditioning system options ... If the repair cost is high and your unit is old, investing in a new, energy-efficient system may be more economical in the long run.

"If you've got a 20-year-old system, it's probably a single-stage system. When it kicks on, it's a hundred percent, kind of how window air conditioners work," Goranson said. "Newer, more efficient ...

My room temperatures don’t stay very even and my old central air conditioner is getting noisier each year. What types of new systems are more efficient and quieter?