Santa Ana Heating & Cooling, located at 601 E 3rd St, Santa Ana, CA 92701, is a trusted local HVAC contractor providing dependable heating, air conditioning, and ventilation services across Orange County. Our licensed technicians handle AC repair, furnace installation, heat pump service, ductwork, thermostat upgrades, and seasonal maintenance for homes and businesses. We focus on honest pricing, fast response times, and lasting repairs backed by skilled workmanship. Whether you need emergency air conditioning repair during a summer heatwave or a complete furnace replacement before winter arrives, our team diagnoses issues accurately and completes every job right the first time. Call (209) 207-3402 today to schedule fast, reliable HVAC service with Santa Ana's most responsive heating and cooling specialists.