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SIDEX Heating & Air is a locally owned, licensed and insured HVAC company based in El Dorado Hills, CA, providing residential heating, cooling, and indoor air quality services. The team offers furnace and heat pump repair and installation, AC repair and installation, ductless mini-splits, smart thermostats, and zoning solutions, along with whole-home filtration, air purification, humidity control, and duct sealing. NATE-certified and factory-trained technicians provide same-day service, 24/7 emergency support, upfront flat-rate pricing, and a 5-year workmanship warranty on all completed work. The company serves homeowners throughout El Dorado Hills, Folsom, Cameron Park, Roseville, Rocklin, Sacramento, and the surrounding Sierra Foothills region.