#1 United Air Conditioning & Heating
Largo · Licensed since 1983
Family-owned Largo company, established in 1961, that repairs, installs and maintains heating and cooling systems for homes and commercial buildings across Pinellas County.
24/7
Best duct cleaning companies in Clearwater, FL
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#2 Burgess Heating & Air
Safety Harbor · Licensed since 1988
Family-owned Safety Harbor company, in business since 1989, that repairs, installs and maintains air conditioning and heating for homes and businesses in Pinellas, western Hillsborough and southwest Pasco.
#3 Weathermakers Air Conditioning & Heating
Largo · Licensed since 1998
Family-owned Largo company, in business since 1974, that repairs, installs and maintains air conditioners, heat pumps, mini-splits, furnaces and ductwork for Pinellas County homes and businesses.
24/7
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Rankings follow our published criteria (see How we rank). License details come from the Florida Department of Business and Professional Regulation (DBPR), Construction Industry Licensing Board; services, hours and prices from each company's own website. Confirm prices and availability with the company.
About HVAC in Clearwater
Clearwater has a humid subtropical climate: average highs reach about 90°F in July and August and summer brings daily thundershowers, so air conditioning runs for most of the year, while January nights average about 53°F. Florida HVAC contractors are licensed by the Department of Business and Professional Regulation’s Construction Industry Licensing Board as Certified Air Conditioning Contractors (CAC, Class A or B). Ranked by license record and years licensed, never by payment. Checked 28 October 2026.