Regular HVAC maintenance is one of the easiest ways to prevent breakdowns, lower your energy bills, and extend the life of your heating and cooling system. But how often should you actually schedule a professional service visit? Here's what every Tomball homeowner should know. The Short Answer: Twice a Year Most HVAC professionals — including the team at JT Southern — recommend servicing your system twice per year: once in the spring before cooling season, and once in the fal