Preventive maintenance of a heating, ventilating, and air conditioning (HVAC) unit may seem like an unnecessary expense to some people, but it is not. The fee paid for the maintenance of the system is actually an investment that you stand to recoup in the system's lifetime. Here are three ways in which you can recoup this investment: Improved Energy Efficiency A poorly maintained HVAC system loses its energy efficiency. According to some statistics, about half of the energy used in a typical American home goes to heating and cooling.
17 August 2016