Cost guide and calculator
HVAC Replacement Cost Calculator 2026
Last reviewed July 5, 2026
Estimate the cost to replace a central AC, furnace, heat pump, or combined HVAC system using home size, ductwork, fuel, and local labor assumptions.
Planning range
$7,200 - $16,800
Low / high
$5,200 low-end to $23,000+ complex replacement
Next step
Get local quotes
Calculator
HVAC Replacement Cost Calculator 2026
Answer five short steps, see a planning range, then decide whether to request local quotes.
Calculator step
Where is the HVAC project?
ZIP code helps estimate local labor, permit, climate, and availability factors.
Cost range breakdown
How to read the planning range
Planning range
$7,200 - $16,800
Typical reference: $12,000
Basis: HVAC replacement estimates combine equipment type and size, efficiency choice, ductwork condition, access, thermostat or zoning scope, permit assumptions, and local labor conditions.
Confidence: Moderate for planning; final pricing requires contractor inspection and written scope.
Fallback source: Project-specific calculator model with ZIP, city/state, or national planning fallback depending on available coverage.
- $5,200 low-end to $23,000+ complex replacement
- Local labor, permit requirements, material/equipment choice, access conditions, and project complexity can move the final quote outside the planning range.
- ZIP-level adjustments are used when available. If local coverage is unknown, the calculator falls back to broader planning assumptions and should be treated with lower confidence.
Project scope guides
Compare the details behind the estimate
These approved guides separate material, equipment, permit, and written-scope questions before you request quotes.
HVAC system comparison
HVAC Replacement Cost by System Type
Central AC, a matched AC-and-furnace system, a heat pump, and a complete central system are not equivalent scopes. Equipment combinations, fuel changes, efficiency, electrical service, ducts, controls, condensate, permits, and commissioning all affect the planning range and quote quality.
Read planning guideCooling system planning guide
Central AC Replacement Cost
Central AC replacement should be scoped as a matched cooling system, not only an outdoor condenser. Capacity, efficiency, indoor coil or air handler compatibility, refrigerant lines, ducts, electrical work, condensate, controls, permits, startup testing, and warranty registration determine whether quotes are comparable.
Read planning guideMatched system planning guide
AC and Furnace Replacement Cost
Replacing AC and furnace together can produce a coordinated heating-and-cooling system, but the quote should show matched equipment, capacity, efficiency, fuel and venting, coil, ducts, controls, electrical work, condensate, permits, startup, and warranties. Bundling equipment does not make every supporting item automatic.
Read planning guideHeat pump planning guide
Heat Pump Replacement Cost
A heat pump provides heating and cooling, so replacement scope should address capacity, climate performance, indoor equipment, backup heat, refrigerant circuit, ducts, electrical capacity, condensate, controls, permits, startup, and warranty. A low equipment price may omit conversion or supporting work.
Read planning guideNew system scope guide
New Central HVAC System Cost
Adding a central HVAC system to a home without a reusable complete system is different from equipment replacement. The project may include design, ducts, chases, registers, returns, equipment locations, electrical or gas work, drains, controls, patching, permits, testing, and coordination with other trades.
Read planning guideLocal planning guides
Selected city planning guides
These pages are manually reviewed and only appear here after passing the city guide publishing gate.
Dallas, TX
2026 HVAC Replacement Cost in Dallas, TX
Dallas HVAC replacement costs are shaped by cooling load, ductwork condition, equipment efficiency, local labor demand, and permit requirements.
View city guideApproved local guide
HVAC Replacement Cost in Los Angeles
Los Angeles HVAC replacement can vary with system type, home age and layout, attic or rooftop access, duct condition, electrical or gas scope, efficiency requirements, permit review, commissioning, and contractor scope. This guide provides a planning framework and does not use current contractor bids or supply claims.
View local guideApproved local guide
Los Angeles HVAC Replacement Quote Checklist
A useful Los Angeles HVAC quote should identify matched equipment, sizing basis, ducts and airflow, access, electrical or gas work, condensate, controls, permit and energy documentation, testing, warranty, exclusions, and change orders. This checklist makes those scope differences easier to compare.
View local guideCost factors
What changes the price?
These tables are planning guides. A contractor quote may change after site inspection, measurements, permits, and scope review.
HVAC cost by home size
| Factor | Typical cost impact | Notes |
|---|---|---|
| 1,000 sq. ft. | $5,200 - $9,400 | Often smaller system capacity, unless ductwork is missing. |
| 1,500 sq. ft. | $6,200 - $12,800 | Common single-family replacement range. |
| 2,000 sq. ft. | $8,400 - $16,800 | System sizing, ducts, and efficiency matter more here. |
| 3,000 sq. ft. | $13,500 - $24,000+ | May require zoning or larger equipment. |
HVAC cost by system type
| Factor | Typical cost impact | Notes |
|---|---|---|
| Central AC + furnace | $7,200 - $16,800 | Most common replacement scenario. |
| Heat pump | $8,000 - $19,500 | Rebate eligibility may improve net cost. |
| Ductless mini-split | $4,500 - $18,000 | Zone count drives price. |
| New system with ducts | $12,000 - $26,000+ | Ductwork can materially change the quote. |
Labor and permit factors
| Factor | Typical cost impact | Notes |
|---|---|---|
| Labor | $2,100 - $6,500 | Local demand, attic access, and complexity drive labor. |
| Permit | $150 - $850 | Varies by local authority and project scope. |
| Ductwork repair | $900 - $4,500 | Replacement can be higher in older homes. |
| Thermostat / controls | $150 - $850 | Smart controls and zoning cost more. |
Repair vs. replace
Smaller repairs may make sense for newer HVAC systems or localized issues. Replacement becomes more likely when age, efficiency, recurring repairs, comfort problems, or safety issues change the economics.
Permits and local rules
Permit costs, inspection timing, and code requirements vary by city. The calculator includes a planning allowance, but the final requirement belongs to your local authority.
Choosing a contractor
Ask for license and insurance details, written scope, itemized pricing, warranty terms, and a clear timeline before approving any work.
Project scope checklist
Classify the scope before you request quotes
- System size, home square footage, and comfort issues
- Ductwork condition and attic/crawlspace access
- Indoor and outdoor unit access constraints
- SEER2 or efficiency preference
- Thermostat, zoning, electrical, gas, or condensate scope
- Permit, inspection, warranty, and timeline assumptions
Quote readiness
What to prepare before contacting contractors
- Take clear photos of the current equipment or project area.
- Write down your timeline, budget range, and whether you are ready to hire.
- Collect model numbers, approximate age, measurements, or existing material details.
- Ask each contractor to separate required work from optional upgrades.
- Photograph indoor unit, outdoor unit, ducts, thermostat, and access areas.
- Ask whether ductwork, thermostat, electrical, gas, condensate, permit, and startup testing are included.
Contractor comparison
Questions to ask every contractor
- Is this a firm quote or a planning estimate?
- What assumptions are included and what is excluded?
- Is permit handling included?
- What conditions could increase the final price?
- What warranty applies to labor and materials?
- Who handles cleanup, disposal, and final inspection?
- Was equipment sizing based on load calculation?
- Is ductwork repair or replacement included?
Methodology
How this estimate should be used
Planning estimate only
The range is meant for budgeting and contractor conversations. It is not a final bid, contract price, insurance value, or guarantee.
Fallback logic
The calculator first uses project inputs and ZIP-level assumptions when available, then falls back to broader city, state, or national planning ranges when local coverage is incomplete.
Review status
Last reviewed: July 5, 2026. Assumptions should be updated when project models, local factors, or verified quote evidence change.
Estimate limitations
When this estimate may be wrong
- Hidden damage or unsafe existing conditions can change the scope.
- Local permit or inspection requirements can vary by jurisdiction.
- Emergency scheduling or unusual access can raise labor cost.
- Final pricing requires inspection, measurements, and written scope.
- Duct leakage, load calculation, electrical/gas scope, or difficult attic access can change the quote.
FAQ
Common questions
How accurate is this HVAC replacement estimate?
It is a planning range based on common equipment, labor, ductwork, permit, and local cost assumptions. A licensed HVAC contractor must inspect the home before giving a final quote.
What usually changes HVAC replacement pricing the most?
System size, whether ducts need repair or replacement, equipment efficiency, fuel type, and local labor demand are the biggest price drivers.
Should I repair or replace my HVAC system?
Repair can make sense for a newer system with a clear isolated issue. Replacement is more common when the system is older, inefficient, unreliable, or uses outdated components.
Do I need a permit for HVAC replacement?
Many cities require permits for full HVAC replacement or major electrical, gas, or ductwork changes. Your contractor should confirm local rules before work starts.
Can rebates lower my HVAC cost?
Some heat pumps and high-efficiency systems may qualify for utility, state, or federal incentives. Availability depends on location, equipment, and program timing.
Why do contractors need my ZIP code?
ZIP code helps estimate local labor, permit, climate, and availability factors. It also helps route quote requests to the right service area.
Ready to Compare HVAC Replacement Quotes?
Submit your project details once. We will use your ZIP code, project type, and timeline to estimate local demand and help connect requests with relevant service providers when available.