This service is rendered by many heating and air conditioning contractors, but the quality of service varies. The Ontario Heating and Air Conditioning Specialists have a list of items to adjust your cooling and heating types of equipment depending on different time fo the year. This maintenance level requires specialists, which you can't do on your own, like changing the air filter and ensuring an instruction free outdoor unit. During your HVAC service appointment, we can help you improve your system's performance and efficiency. However, there can also be some major issues with your HVAC system, for which you need to schedule service afterwards to repair or replace the component. When to Schedule Your HVAC Service? The perfect time to opt for a maintenance service is prior to your system actually needs it. For your heating system, you should schedule service before it stops working properly. Spring is the best season to schedule an appointment. During this time, the professio