How much does an AC replacement cost in Lanham-Seabrook, MD?
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 Lanham-Seabrook 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 Lanham-Seabrook, MD
We have no documented price index for Lanham-Seabrook 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 Lanham-Seabrook
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 Lanham-Seabrook’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 Lanham-Seabrook
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Top-ranked HVAC contractors in Lanham-Seabrook
The top 3 of 1,019 HVAC contractors we rank for Lanham-Seabrook, MD, by CR Score. Paid placement never changes rank.
- #1Michael & Son ServicesCR Score 654.8from 8,326 Google reviews
- #2United Air TempCR Score 644.8from 1,306 Google reviews
- #3Len The Plumber Heating & Air, LLCCR Score 634.6from 8,136 Google reviews
How to check an HVAC contractor's license in Maryland
In Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors licenses Heating, ventilation, air conditioning and refrigeration work.
- 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 Lanham-Seabrook: questions
How much does an AC replacement cost in Lanham-Seabrook, MD?
Do I need a permit for an AC replacement in Lanham-Seabrook?
What affects the cost of an AC replacement?
How many HVAC contractors serve Lanham-Seabrook?
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.
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