This article has some great information to help to those that are looking to familiarize yourself with the subject.
Know the name and type of your HVAC system you currently have before calling someone to fix it. This will enable you know that you’re able to give the contractor the information they might need.
Know what work you need before you select an HVAC contractor. It will be difficult for an HVAC contractor to give you a price estimate on the phone without knowing what your current setup is. It will be way more difficult for him to assist you over the phone without the information readily available.
Lubricate your condenser if it has oil ports. You can find these ports covered with rubber or metal cap covering them. Use a lightweight, and put 10 drops or fewer in each port, but make sure to avoid overfilling them.
Make sure your HVAC system checked twice a year. This should be checked often for debris and the spring.
It is always a good idea to swap out single pane windows for double panes. This also keeps warm air during the colder months.
During the service check, the serviceman will inspect the unit’s motor, oil the moving parts and check the freon levels in the system. These easy to do things will help your system to run at its peak performance.
Never allow the temperature in your home reach a dangerously hot temperature. An air conditioner can only cool your home by twenty degrees in a short time span. If your home become 100F or more, you will only be able to cool it down to 80. This is not a healthy environment to live in.
As you can see, information goes a long way in understanding. It is worth the investment of your time. Use the suggestions outlined here as part of your process for approaching your HVAC system purchase.