Summer heat is upon us which makes residential cooling a must in most places. Two out of three homes in the United States have air conditioners and you can bet that those units get a work out during the summer time. The Worst thing to experience is a break down in your residential HVAC unit during the hottest part of the year. The good news is regular maintenance of your unit can reduce breakdowns by as much as 75%, and twice a year inspections are recommended. Aside from regular maintenance to reduce ac repair incidents consider these friendly tips to…