Alturas is the county seat of Modoc County, located in the far northeastern corner of California at over 4,300 feet elevation. The community serves ranching, agricultural, and rural residential properties that face extreme seasonal weather. Advanced Comfort Control, Inc. provides HVAC repair, heating and cooling installation, heat pump service, and electrical work to Alturas homeowners and businesses. Our technicians are experienced with the range of systems found in Modoc County properties and are available for emergency service when temperatures drop.