When it comes to HVAC maintenance, there are a few little-known ways to keep your home’s HVAC system running efficiently. First of all, it’s important to check your filters regularly. These filters can make a big difference in how comfortable your home is. Also, you should have the chimney flue or vent stack inspected annually. HVAC is a complicated machine with many moving parts. It’s responsible for keeping your house comfortable during winter and cool in summer. It also filters and purifies the air to protect your family from toxins and other harmful materials. There are 9 separate parts to the HVAC system, including an indoor unit, filters, exhaust outlets, ductwork, electrical elements, coils, outdoor unit, and thermostat. HVAC systems come in a variety of configurations. Indoor units adjust to ambient conditions, while outdoor units adjust to desired temperatures. Indoor systems also improve the air quality, removing odors and moisture. Other HVAC parts include thermostats and other home comfort controls. Ultimately, HVAC systems help to provide comfort and energy savings for your family