Most people insist that the best time to check their HVAC system would be before winter. After all, such professional maintenance services do not come cheap. If you cannot afford to do it more than once, consider calling a professional a few days before winter. Focus on getting into the season with everything you need. But why do experts insist on this specific time if you intend to do an annual check? A pre-winter review is crucial since it ensures that all heat exchanger issues are detected and fixed in good time before winter finally sets in. Winters are ordinarily cold and harsh, but most people can get through the season because they have the right heating system. The house will be warm because of the type of furnace one installs. However, it must work even better to ensure that everything is in perfect condition. Remember that the furnace service addresses problems that may have come about due to long periods of unuse. Air conditioner service also ensures that the entire house gets clean air. When the furnace stays idle and unused for months, it accumulates unnecessary dust that gets into the house through the system’s ductwork and vents. Hiring an HVAC technician means that such dust and dirt get cleaned. As such, the furnace only releases clean air when it is used again. Additionally, such professional maintenance and service work boost the system’s efficiency and minimize risks of breakdown, which would be very expensive to fix. Note that most warranties work on a conditional basis. You can only make claims if you follow the rules.