Great Dane Heating & Air

Great Dane Heating & Air repairs, installs and maintains air conditioning and heating for homes and businesses in Jacksonville, Orange Park, Fleming Island, Ponte Vedra and St. Augustine, across Duval, Clay and St. Johns counties. We work on central AC, heat pumps, furnaces and ductless mini-splits, clean air ducts, and fix humidity and indoor air quality problems. You get the price before any work starts, and a straight answer on whether to repair or replace.