Many HVAC systems have a lifespan of 15 to 25 years. To help guarantee the expected lifespan and avoid costly HVAC repairs, homeowners should have their HVAC systems inspected at least once a year. Do research about HVAC technicians before hiring one, so you can be sure that you are getting good service. If you need a new system installed, search for “ac air conditioner near me” to get started. HVAC technicians can install and maintain a system to function as efficiently as it should. They check AC systems for refrigerant levels, leaks, correct airflow, correct electrical functioning, thermostat accuracy,…