Modern Air Systems

Modern Air Systems is a trusted HVAC company serving North San Antonio, Texas, and surrounding communities, including Stone Oak, Encino Park, Timberwood Park, Hollywood Park, Shavano Park, and nearby areas. We provide comprehensive residential and commercial heating, ventilation, and air conditioning services designed to keep homes and businesses comfortable year-round. Our HVAC services include air conditioning repair, AC installation and replacement, heating and furnace repair, heat pump services, ductwork repair and sealing, HVAC maintenance, and energy-efficient ductless mini-split systems. Whether you need an AC repair during the hot San Antonio summer, a new energy-efficient HVAC system, or dependable heating service during cooler weather, Modern Air Systems is committed to quality workmanship, honest recommendations, and reliable customer service. We focus on helping North San Antonio homeowners and businesses improve indoor comfort, system efficiency, and long-term HVAC performance. For professional HVAC repair, installation, replacement, and maintenance in North San Antonio, trust Modern Air Systems. Visit to learn more about our heating and cooling services.