How much does a furnace replacement cost in Diamondhead, MS?
US national rangeUpdated Prices checked October 20261 source
A furnace replacement costs $2,823 to $6,896 nationally, typical $4,814. We have no documented price index for Diamondhead for this job, so this is the US national range from HomeAdvisor, checked October 2026.
US national range, not adjusted for this city
- Low
- $2,823
- Typical
- $4,814
- High
- $6,896
Furnace replacement cost in Diamondhead, MS
We have no documented price index for Diamondhead for this job, so the table shows the US national range.
| Estimate | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| US national range | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs (HomeAdvisor) | October 2026 |
Furnace replacement cost by type or size
US national figures in USD, as published by each source.
| Type or size | Price (USD) | Source |
|---|---|---|
| Electric furnace | $2,000 to $7,000 | HomeAdvisor |
| Gas furnace | $3,800 to $10,000 | HomeAdvisor |
| Oil furnace | $6,750 to $10,000 | HomeAdvisor |
What drives the cost of a furnace replacement
Fuel type
Electric furnaces cost least to install; oil costs the most.
Efficiency rating
High-AFUE furnaces cost more up front.
Home size
Furnaces are sized at roughly 30 to 60 BTUs per square foot.
Climate
Colder regions need more capacity.
Removal of the old unit
Removal and disposal typically add $150 to $330.
Permits and what's included in Diamondhead
Permit note
Furnace replacement usually needs a mechanical permit, and gas work may need its own. Ask your local building department for the fee.
Rules are set locally; confirm with Diamondhead’s building department.
What’s usually included
- The new furnace
- Connection to existing ducts, venting and fuel supply
- Startup and testing
Scopes vary. Get the scope in writing on every quote.
Get furnace replacement quotes in Diamondhead
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Top-ranked HVAC contractors in Diamondhead
The top 3 of 88 HVAC contractors we rank for Diamondhead, MS, by CR Score. Paid placement never changes rank.
- #1Ball Heating, Cooling, Plumbing & ElectricalCR Score 904.9from 4,917 Google reviews
- #2Top Notch AC & Heat LLCCR Score 905.0from 64 Google reviews
- #3Keith's Heating & Air ConditioningCR Score 904.9from 1,424 Google reviews
Furnace replacement cost in Diamondhead: questions
How much does a furnace replacement cost in Diamondhead, MS?
Do I need a permit for a furnace replacement in Diamondhead?
What affects the cost of a furnace replacement?
How many HVAC contractors serve Diamondhead?
What is usually included in the price?
Sources
Checked October 2026. Figures are estimates, not quotes.
- HomeAdvisor: Furnace replacement cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; prices by fuel; drivers.
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