The reason why the HVAC system must be checked is that the record-breaking frigidity of the past winter may have put different HVAC units under extra stress to keep the house warm. Summer is also on the way, so having your unit checked today will save you from having to compete against other clients for your trusted HVAC contractor’s attention.
Another point to check constantly is the filter. The filter keeps the air being distributed throughout your house clean. It is ideal to use filters with electrostatic charge so that the unit can trap even the smallest of particles.
If you do these checks and find irregularities in the system, and you don’t know how to deal with them, it is best to let trusted professionals take care of them.