description Do it yourself HVAC upkeep tips for homeowners to keep their HVAC system managing smoothly For many years to come back.Blocked or soiled air vents and registers can impede airflow and decrease the usefulness of your HVAC system. Make the effort to examine all vents and registers in your house and remove any dust or particles That could be blocking airflow.When your air conditioner is not really in use, it can be crucial to clean the evaporator coil and drain it routinely to be sure good cooling.Our editors and industry experts handpick every item we function. We might make a commission from your buys.One way to Look at your ductwork for leaks is to do a visible inspection by observing all spots you have got usage of in your attic, crawlspace, or basement. A far more in-depth ductwork observation is Click Here going to be accomplished by your technician.