Best HVAC in Jacksonville, FL — 2026 [6 Pros]
6 trusted hvac pros serving Jacksonville and nearby areas. Compare services, ratings, and contact directly — no lead fees.
Looking for the best hvac in Jacksonville, Florida? We track 6 verified local hvac pros serving Jacksonville, Duval County, and surrounding neighborhoods including Riverside, San Marco, Mandarin. Collectively they've earned 4,310 Google reviews at an average of 4.72★. Jacksonville is known as Florida's largest city by area and population — Atlantic beaches plus a deep-water port and a strong Navy presence. It's popular with families and military relocators for big-city jobs at lower cost than Tampa or Orlando. Climate here: humid subtropical with the mildest summers in Florida — Atlantic breezes keep highs near 90, winter nights frequently in the 40s. First Coast HVAC sizing has to account for cooler summer highs and more heating days — 1.5x runtime vs South Florida is typical. For hvac specifically, local homeowners plan around northeast tropical systems, high humidity year-round, Atlantic erosion at the beaches. $6,000–$11,500. Your AC is the single most important appliance in a Florida home — and it runs 8–10 months a year. The HVAC companies below handle emergency repairs, full system replacement (heat pumps, mini-splits, package units), duct cleaning, indoor-air-quality systems, and annual maintenance plans. All are licensed Florida HVAC contractors (CAC) and most offer 24/7 service. Compare prices, read reviews, and book directly without lead-gen middlemen.