You must do your homework on the HVAC, as it can be confusing at times. This article is going to take you along a path to where you can learn a lot about this. Take the time to read the article and you will do well.
Know the name and type of your HVAC system before looking for a repair person. Write down what brand your system is along with the model number and, if they're available, maintenance records. This makes sure your contractor will be sufficiently prepared.
Clean the debris from outside units often. Debris can pile up after a storm, bringing potential damage with it. Overheating may be the result if you don't.
Make certain that you clean your condenser when the