How much does an AC replacement cost in Christiansburg, VA?
US national rangeUpdated Prices checked October 20262 sources
An AC replacement costs $3,887 to $8,073 nationally, typical $5,978. We have no documented price index for Christiansburg for this job, so this is the US national range from HomeAdvisor, checked October 2026.
US national range, not adjusted for this city
- Low
- $3,887
- Typical
- $5,978
- High
- $8,073
AC replacement cost in Christiansburg, VA
We have no documented price index for Christiansburg for this job, so the table shows the US national range.
| Estimate | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| US national range | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs (HomeAdvisor) | October 2026 |
AC replacement cost by type or size
US national figures in USD, as published by each source.
| Type or size | Price (USD) | Source |
|---|---|---|
| 3-ton central AC replacement, existing ducts | $5,500 to $10,000 | Fixr |
| 3-ton central AC replacement with new ducts | $7,500 to $16,000 | Fixr |
What drives the cost of an AC replacement
System size
Capacity in tons depends on home size, climate, sun exposure and insulation.
Efficiency (SEER2)
Higher-efficiency units cost more up front and less to run.
Ductwork
New ductwork is the largest add-on, at $1,000 to $5,000.
System type
Split, packaged, heat pump and ductless systems are priced differently.
Electrical and drain work
A panel upgrade or new condensate line adds cost.
Labor
Installation typically takes four to eight hours, about $300 to $1,600 in labor.
Permits and what's included in Christiansburg
Permit note
A mechanical or electrical permit and an inspection are usually required. Ask whether the quote includes them.
Rules are set locally; confirm with Christiansburg’s building department.
What’s usually included
- The new outdoor and indoor equipment
- Refrigerant lines, electrical connection and startup
- Removal of the old unit (confirm on the quote)
Scopes vary. Get the scope in writing on every quote.
Get AC replacement quotes in Christiansburg
Tell us about the job and we will pass it to local pros. Asking for quotes never changes how we rank anyone.
Two short steps: your name, then how to reach you. Free, and it never changes anyone’s rank.
Top-ranked HVAC contractors in Christiansburg
The top 3 of 43 HVAC contractors we rank for Christiansburg, VA, by CR Score. Paid placement never changes rank.
- #1McGrady Perdue Heating & CoolingCR Score 654.9from 894 Google reviews
- #2McAtee Plumbing Heating & CoolingCR Score 634.9from 8,100 Google reviews
- #3New River Heating & AirCR Score 624.8from 676 Google reviews
How to check an HVAC contractor's license in Virginia
In Virginia, Virginia Board for Contractors (DPOR) licenses Contractor license with an HVAC specialty; HVAC technicians hold tradesman licenses.
- Search the business name or license number on the Virginia Board for Contractors (DPOR) license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
AC replacement cost in Christiansburg: questions
How much does an AC replacement cost in Christiansburg, VA?
Do I need a permit for an AC replacement in Christiansburg?
What affects the cost of an AC replacement?
How many HVAC contractors serve Christiansburg?
What is usually included in the price?
Sources
Checked October 2026. Figures are estimates, not quotes.
- HomeAdvisor: AC unit installation cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; ductwork, labor and efficiency drivers.
- Fixr: Central air conditioner installation cost · page updated August 29, 2025 · checked October 2026Used for: 3-ton replacement ranges with and without new ducts; drivers; permit.
Related pages
More cost guides for Christiansburg
- Roof replacement cost in Christiansburg
- Roof repair cost in Christiansburg
- Water heater replacement cost in Christiansburg
- Furnace replacement cost in Christiansburg
- Electrical panel upgrade cost in Christiansburg
- Interior painting cost in Christiansburg
- Exterior painting cost in Christiansburg
- Kitchen remodel cost in Christiansburg
- Bathroom remodel cost in Christiansburg
- Hardwood floor installation cost in Christiansburg
- Fence installation cost in Christiansburg
- Deck building cost in Christiansburg
- Siding replacement cost in Christiansburg
- Window replacement cost in Christiansburg
- Gutter installation cost in Christiansburg
- Attic insulation cost in Christiansburg
- Solar panel installation cost in Christiansburg
- Foundation repair cost in Christiansburg
- Tree removal cost in Christiansburg
- Water damage restoration cost in Christiansburg
- Concrete driveway cost in Christiansburg