An HVAC system is essential to keeping your home comfortable year-round, but avoiding unexpected breakdowns or costly repairs takes a bit of proactive care. One of the best ways to keep your system running efficiently is to have a trusted HVAC technician perform regular maintenance. Here are five key questions to ask your HVAC tech during their visit to ensure smooth, efficient operation and avoid future headaches. 5 key questions to ask your HVAC tech 1. Is My System Operating at Peak Efficiency? Efficiency matters for both comfort and energy bills. Asking this question allows the technician to look for issues, like dirty filters, leaky ducts, or blocked vents, that could reduce efficiency. They may also recommend specific settings or upgrades to keep your system running optimally. 2. What Is the Condition of My Air Filters? Filters are vital in protecting your HVAC system from dust, allergens, and debris. Knowing when and how often to change them, based on your household and system t...