A major portion of your electricity bill constitutes of heating and cooling bill. To minimize your energy bill it is important that you install a good HVAC system. A good HVAC system can not only help you reduce your energy bill but can also help you attain a healthy environment. Even if you have installed a highly efficient HVAC system in your house it is important to provide it with regular maintenance so as to improve its efficiency and keep it running without breaking down. To reduce energy consumption of your HVAC system you need to reduce the load. There may be unwanted space that is heated or cooled by your HVAC system such space should not be connected to your heating and cooling unit. Seal those areas so that the heat and cold air will not move to those unwanted spaces thus reducing the load of the HVAC unit and in turn reducing the energy bill. Moreover reducing your building load will also allow your HVAC system to work efficiently. Proper insulation will also reduce the building load. Installing a window with insulation will increase the efficiency of your building.
It is also important to check your HVAC system every now and then because it is the most important appliance functioning in your building. The HVAC system that are available now have increased efficiency so if you have a unit that is more than 15 years then it is better to replace it with a new efficient HVAC unit.