378 HVAC Service Contractors in Louisville, KY

HVAC Service in Louisville is the broadest service category in the city — 120 contractors covering diagnostics, tune-ups, repairs, and system work across a market where Ohio River Valley humidity and dual-season climate demand keep systems working year-round. The 4.6 average across 63,127 reviews represents a large, established provider pool. Thirty-five contractors offer 24/7 coverage for urgent needs.

Service call and diagnostic fees run $75 to $200. Routine tune-ups for a single system land between $70 and $200, while standard repairs average $150 to $1,200 depending on the component. Full system work climbs to $14,100 at the high end for major replacements. Kentucky-licensed HVAC service companies must carry the Master HVAC Contractor or Journeyman HVAC Mechanic credential from the Department of Housing, Buildings and Construction.

Tom Drexler's 20,773 reviews at 4.8 make it Louisville's most-reviewed home services company by a wide margin — customers describe coordinated dispatch and professional follow-through across HVAC, plumbing, and electrical. Dauenhauer at 8,804 reviews and Bryant at close to 6,000 both maintain 4.8 averages, with reviewers noting reliable technicians and scheduling that holds. Together these three anchor the Louisville HVAC service market at the high-volume end.