If you own a residential HVAC unit, chances are you know that you’re supposed to maintain and clean it. After all, cleaning air conditioners keeps them working as efficiently as possible. Logically, the unit will have to work harder if you don’t do any HVAC cleaning, which puts more strain on the system. Consequentially, this causes the parts to wear out faster, which air conditioning companies say will result in their eventual break down and demise. Though some might think repair costs are no big deal, fixing air conditioners can actually be quite costly. According to HomeAdvisor, fixing air conditioners…