Home » Blog » 4 Steps To Increase The Lifespan Of Your HVAC Unit4 Steps to Increase the Lifespan of your HVAC UnitFebruary 10, 2022May 25, 2022 Maintain: Change air filters regularly. Program: Program your thermostats for efficiency and energy savings. Repair: Repair or replace faulty components to avoid system failure. Schedule: Schedule regular biannual maintenance on your system.