About 87 percent of American households use air conditioning, with three-quarters of those units being central air conditioners. That makes air conditioning services highly in demand, especially when summer approaches. A top-quality air conditioner is a big investment. On average, expect to spend anywhere between $2,500 and $7,000 to install a typical central air conditioner. When you’re spending that much …

When the heat of summer sets in, you dream of evenings resting in the cool respite of your air-conditioned home. You fantasize that moment when you drive home from your commute, pull into the driveway and open the door to feel the blast of cold air waiting for you. Anticipation transforms into disappointment almost immediately when warm air greets you. The stagnant …