Your HVAC system requires regular maintenance for proper functioning and to extend its life period. Heating and air conditioning system tend to suffer from malfunction just like any other electronic equipment in your home. There are various ways you can maintain your HVAC system. Keep the air filters clean, inspect the outdoor unit for any build-up of bushes that interfere with airflow and clean the condensing unit to keep grime and dirt away. You can manage these few basic things on your own. However, the professional heating and air contractors can identify the hidden problems in your system which you can’t. You can find many professional contractors like Hudson heating and air conditioning for effective maintenance of your HVAC system.