Furnace/HVAC Replacement Cost in San Diego (2026)
Average cost in San Diego
US$6,500 — US$19,500
US$5 — US$9 per sq ft
Cost Breakdown
ItemizedCondenser, furnace/air handler, and coil
50%
Installation, testing, and commissioning
40%
Refrigerant lines, pads, and electrical
5%
City/County fees and HERS testing
3%
Removal of old unit and refrigerant recovery
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 14 sources and market data for San Diego. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$11,926
Today
US$12,940
Furnace/HVAC Replacement in San Diego is ↑ 8.5% compared to roughly a year ago — about US$1,014 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top HVAC Replace Contractors in San Diego
Verified providersSmith & Sons Heating and Air Inc.
8859 Balboa Ave Ste E, San Diego, CA 92123, USA
268 reviews
EZ Breezy Heating & Air
5160 Mercury Point Unit B, San Diego, CA 92111, USA
504 reviews
Reliable Standard Heating & Air
11315 Rancho Bernardo Rd #138, San Diego, CA 92127, USA
109 reviews
Friar's Plumbing Heating and AC Repair
5555 Magnatron Blvd Ste G, San Diego, CA 92111, USA
650 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
For projects within the City of San Diego, a standard mechanical permit for HVAC replacement costs approximately $164.63. However, if you are in unincorporated San Diego County, a 'Mechanical Only' permit is higher, at roughly $373.00.
Homeowners can claim a federal tax credit (25C) of up to $2,000 for high-efficiency heat pumps. Locally, SDG&E offers 'Golden State Rebates' including $75 for smart thermostats, while the city's HEART program can provide up to 100% coverage for qualifying low-income households.
The primary driver is the federal transition from R-410A to R-454B refrigerant. This shift requires new safety sensors and redesigned components, adding an estimated 10% to 30% to the base equipment cost compared to older models.
In San Diego's mild climate, a 1,500 sq. ft. home typically requires a 2.5 to 3-ton system costing $8,000–$12,000. Larger homes (2,500+ sq. ft.) often require 4 to 5-ton systems, with replacement costs ranging from $13,000 to over $19,000.
📊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: 2 weeks ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.