Upgrade to central heating and cooling with air conditioner installation in Carrollton, TX. At Dring Air Conditioning & Heating, we excel at retrofitting older homes with the most modern air conditioning options and replacing outdated units with more energy-efficient models. Our AC installation services are designed to give you maximum comfort with the least interruption to your daily life. If you already have vents installed, sometimes installation can be handled in a single day, swapping an older, broken unit with a newer model. When your home doesn’t have cooling infrastructure in place, our HVAC technicians can help you decide on the style of cooling system that will work best for your home and family.