Why Is My AC Not Cooling? 5 Causes and What Each Costs to Fix

Filter, capacitor, refrigerant, fan or compressor — repairs from $0 to $3,000. The 30-minute checklist before paying a diagnostic fee.
AC Unit Replacement Cost: Central Air Pricing Guide (2026)

Central AC replacement runs $3,000-$15,000 installed. Cost by tonnage, honest SEER math, the age framework, and quote red flags.
HVAC Replacement Cost in 2026: Complete System Pricing

Full HVAC replacement averages $11,590-$14,100 in 2026 ($5,000-$28,000 range). Costs by scope, the matched-system rule, and what moves quotes.