The answer to 'how to maintain emergency HVAC service' is to perform regular maintenance and inspections to ensure your HVAC system is running efficiently and effectively. This includes cleaning or replacing air filters, checking refrigerant levels, and inspecting the system for any potential issues.
It's important to have your HVAC system serviced by a professional technician at least once a year, typically in the spring or fall when the system is not in heavy use. A professional can perform a thorough inspection, clean the system, and make any necessary repairs or adjustments to keep your HVAC running smoothly. They can also provide guidance on when to replace aging components or the entire system.