#1 Island Air Systems
Orlando · Licensed since 2007
Small Orlando contractor, licensed since 2007, that repairs and replaces residential and commercial air conditioning, heat pumps and mini-splits.
Best duct cleaning companies in Orlando, FL
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#2 Frank Gay Services
Orlando · Licensed since 2014
Orlando-based home services company, founded in 1976 as a plumbing business, that also repairs and installs air conditioning, heating and ductwork.
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#3 Legion Cooling & Heating
Winter Garden · Licensed since 2025
Small family-owned Winter Garden company, licensed in 2025, that repairs and installs air conditioning, heat pumps, furnaces, mini-splits and ductwork.
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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 Orlando
Orlando has a humid subtropical climate: July and August average daily highs of about 92°F, and the hot, rainy season runs from May until late October, so air conditioning carries most of the year, while January nights average about 50°F and frost comes on only one or two nights a year. Florida licenses HVAC contractors through the Department of Business and Professional Regulation's Construction Industry Licensing Board, either statewide as Certified Air Conditioning Contractors (CAC, Class A or B) or as locally Registered contractors (RA). Ranked by license record and years licensed, never by payment. Checked 28 October 2026.