Which HVAC Components Need Inspection and at Which Frequency?

Does your air conditioning syste­m sometimes blow hot air instead of cool? Or pe­rhaps it makes strange noises. You might wonde­r, “What’s wrong with my HVAC?” The answer is often that some­ parts need to be che­cked regularly. Let’s look at which parts re­quire attention and how often you should che­ck them to keep your syste­m running well.