Furnace/HVAC Replacement Cost in Jacksonville (2026)
Average cost in Jacksonville
US$4,800 — US$17,500
US$15 — US$18 per sq ft
Cost Breakdown
ItemizedR-454B compliant condenser and air handler
52%
Licensed technician hours (8-12 hours)
32%
Refrigerant lines, thermostat, and pad
11%
City of Jacksonville mechanical permit fees
3%
Old unit removal and EPA refrigerant recovery
2%
Sales Tax at 6%
📋What's Included
ScopeTypically Includes
- Furnace or AC unit
- Thermostat
- Basic ductwork connections
- Refrigerant
- Labor & installation
- Old unit disposal
Typically Excludes
- Full ductwork replacement
- Zoning systems
- Smart home integration
- Permits & inspections
- Humidifier or air purifier
Based on a standard 2,000 sq ft home with existing ductwork.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$5,098 — US$7,648
Based on 9 sources and market data for Jacksonville. Actual costs may vary depending on specific project requirements.
🏢Top HVAC Replace Contractors in Jacksonville
Verified providersAvalon Heating and Air +Electrical services
9585 Sunbeam Center Dr, Jacksonville, FL 32257, USA
1,294 reviews
Whitleys Heating and Air LLC
6695 Colray Ct Suite 301, Jacksonville, FL 32258, USA
764 reviews
Guardian HVAC LLC, DBA Guardian Heating and Air
2061 Emerson St Suite B, Jacksonville, FL 32207, USA
398 reviews
Golden Comfort AC & Heating Repair
225 Water St #1650, Jacksonville, FL 32202, USA
99 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
As of 2026, new systems must use R-454B or R-32 refrigerants. These units typically cost 15-20% more than older R-410A models, with a 5-ton system now averaging $6,500 for the unit alone compared to $5,000 in previous years.
Yes, the City of Jacksonville Building Inspection Division requires a mechanical permit for all HVAC replacements. Fees are calculated at $7 per $1,000 of project value, with a minimum fee of $60, plus a potential $45 residential site inspection fee.
For a standard 1,400-1,800 sq ft home in Jacksonville, a 3-ton system replacement typically ranges from $5,200 to $8,100, depending on the SEER2 efficiency rating and whether ductwork modifications are required.
Due to local humidity levels, many contractors recommend adding UV light systems ($400-$800) or whole-home dehumidifiers ($1,500-$2,500) during replacement to prevent mold growth in the air handler and ductwork.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: today. Updates run weekly. All costs in USD.