There are many times in life when having a few tools and a willingness to give something a try is absolutely worthwhile. You can save a lot of money if you’re not afraid to pick up a drain snake and tackle a clog, or pick up a hammer and nails and make minor repairs. But at other times, the risk of DIY is much too high. When it comes to commercial HVAC systems, what should you do yourself, and what should you leave to the professionals? Here’s the info you need.
