Furnace/HVAC Replacement Cost in San Diego (2026)
Average cost in San Diego
US$6,000 — US$20,000
US$3 — US$6 per sq ft
Cost Breakdown
ItemizedCondenser, air handler, or furnace unit
55%
Installation and professional setup
25%
Fittings, refrigerant lines, and repairs
12%
City fees, Title 24, and HERS testing
6%
Old unit removal and recycling
2%
Sales Tax at 7.25%
📋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$6,448 — US$9,672
Based on 9 sources and market data for San Diego. Actual costs may vary depending on specific project requirements.
🏢Top HVAC Replace Contractors in San Diego
Verified providersSmith & Sons Heating and Air Inc.
8859 Balboa Ave STE E, San Diego, CA 92123, USA
225 reviews
EZ Breezy Heating & Air
5160 Mercury Point Unit B, San Diego, CA 92111, USA
492 reviews
Comfort Air Conditioning & Heating
7318 Conestoga Ct, San Diego, CA 92120, USA
161 reviews
Friar's Plumbing Heating and AC Repair
5555 Magnatron Blvd Ste G, San Diego, CA 92111, USA
641 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
Costs rose by 15-25% primarily due to the industry-wide transition from R-410A to new refrigerants like R-454B and R-32, which require updated sensors and manufacturing. Additionally, California's 2025/2026 Title 24 updates now make heat pumps the prescriptive default for residential construction.
A standard residential mechanical permit for an HVAC replacement currently costs approximately $165. However, projects involving new ductwork or complex installations may require additional plan checks and HERS testing, which can bring total compliance costs to between $400 and $1,200.
For a standard 1,500 sq ft home in San Diego, a 3-ton HVAC system replacement typically ranges from $8,000 to $12,000, including equipment, labor, and basic permit fees.
Yes, residents can stack a federal tax credit of up to $2,000 (under the 25C program) with TECH Clean California rebates, which often range from $1,000 to $3,000 for high-efficiency heat pump installations.
📊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.