As tempting as it is to hire a contractor to get the job done, it pays to have oversight from a licensed professional. Ira Meister, President of Matthew Adam Properties, shares a story about one of their clients who ran into trouble when a manufacturer installed electric HVAC system basically shut down. Without a professional overseeing the project, or even a maintenance contract from a service provider, the co-op was left in bad straits when the cooling component of the system shut down,