Viking Cooling, Heating, & AC Installation of San Diego is a trusted local HVAC company serving San Diego, Poway, Rancho Bernardo, San Marcos, Carlsbad, Vista, Rancho Santa Fe, Oceanside, Scripps Ranch, Carmel Valley, Fallbrook and nearby areas. We provide reliable Air Conditioner Maintenance, Air Conditioner Repair, and Air Conditioner Installation or Replacement for residential and commercial properties. Homeowners searching for an AC company, AC maintenance near you, AC maintenance in Oceanside, or air conditioning repair can rely on our experienced team. Our services also include mini split installation, furnace maintenance and repair, furnace installation and replacement, heat pump installation, and heating and air conditioning repair. Viking Cooling & Heating improves comfort and efficiency with indoor air quality solutions, air duct repair, solar panel installation, battery backup installation, heating maintenance, and commercial HVAC installation, delivered with honest service.