At 4 Points A/C & Heating, we install, repair, and provide maintenance for any mini-split AC in Fontana, CA. This type of air conditioner has become popular in California in recent years, and it’s easy to understand why. A mini-split air conditioner has many advantages when compared to conventional AC units. A primer on the perks of installing a ductless air conditioner in your home can help you understand if this is the best HVAC option for you.