Furnace/HVAC Replacement Cost in Houston (2026)
Average cost in Houston
US$4,930 — US$15,500
US$3 — US$8 per sq ft
Cost Breakdown
ItemizedCondenser, furnace/air handler, and coils
46%
Certified technician hours and setup
42%
Minor repairs or plenum adjustments
9%
City of Houston mechanical permit fees
3%
Sales Tax at 6.25%
📋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$5,260 — US$7,890
Based on 10 sources and market data for Houston. Actual costs may vary depending on specific project requirements.
🏢Top HVAC Replace Contractors in Houston
Verified providersAce Comfort Air Conditioning & Heating
601 Milwaukee St, Houston, TX 77009, USA
184 reviews
Air Tech of Houston AC & Plumbing
2114 Lou Ellen Ln, Houston, TX 77018, USA
5,821 reviews
All Star A/C, Plumbing & Electrical
9418 Mills Rd, Houston, TX 77070, USA
1,836 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 approximately 15-20% since 2024 due to the federal mandate transitioning from R-410A to new A2L refrigerants (R-454B and R-32), which require redesigned components and specialized leak sensors.
In Texas, the minimum efficiency standard is 15 SEER2. However, due to Houston's extreme humidity, most local contractors recommend 16-18 SEER2 systems to ensure proper dehumidification and lower energy bills.
The City of Houston charges a base mechanical permit fee of approximately $241 for residential HVAC replacements, though total permit costs can reach $400-$600 when including administrative and plan review fees.
Houston's expansive clay soil causes foundations to shift, which can crack rigid refrigerant lines. 2026 estimates often include $200-$500 for flexible connections and expansion loops to prevent future leaks.
📊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.