Clarksville, TN HVAC Cost: Central Air and Heat Pump Prices (2027)
Adjust your home size & electric cost in Clarksville, TN
Our cost model puts a 16 SEER central air system in Clarksville, TN at $10,220 to $12,320 with equipment and labor. It is sized at 4 tons (about 45,000 BTU) for a 2,150 sq. ft. house. Market size pushes Clarksville up: about 2% over the statewide estimate for a city of around 181,000 people.
The price assumes your ducts can stay. When an installer finds crushed runs, too few returns or a dated disconnect, those repairs show up as added lines.
Four Ratings, Four Prices: Clarksville
At the base of the ladder, 14 SEER runs $8,110 to $9,780 in Clarksville. Two-stage 16 SEER costs $10,220 to $12,320, 18 SEER $15,960 to $19,240, and the 20 SEER top tier $21,700 to $26,160.
Price by Rating: Clarksville and Statewide
| System (4 ton) | Clarksville | Tennessee average | Materials |
|---|---|---|---|
| 14 SEER | $8,110 - $9,780 | $7,950 - $9,590 | $5,080 |
| 16 SEER | $10,220 - $12,320 | $10,020 - $12,070 | $6,330 |
| 18 SEER | $15,960 - $19,240 | $15,640 - $18,860 | $9,760 |
| 20 SEER | $21,700 - $26,160 | $21,270 - $25,640 | $13,180 |
Split a Clarksville quote into parts and labor and the equipment side is about $5,080 for 14 SEER, $6,330 for 16 SEER.
How Much the Clarksville Market Adds or Saves
Wages, insurance, fuel and shop rent all differ from one market to the next, and installers build those costs into every bid. In numbers: a 16 SEER install that averages $10,020 to $12,070 across Tennessee comes to $10,220 to $12,320 in Clarksville, about 2% more.
The same estimate covers all 6 ZIP codes with a Clarksville mailing address in our database, in Montgomery County. Ask how the contractor sized the system. A room-by-room load calculation beats copying the tonnage off the old unit, which may have been wrong to begin with.
Operating Cost and Payback for Clarksville Homes
At $0.165 per kWh, about 24% below the national average of $0.217, Tennessee electricity sets how fast efficiency pays for itself. Over the ten years in our data, Tennessee rates rose about 2.15% a year; at that pace the average would reach roughly $0.20/kWh by 2036.
Hover or tap any year to see what each rating costs to run that season. Rates rise 2.15% a year, the TN ten-year trend.
The first point applies TN's current rate to this season; every point after it adds another year of the 2.15% average increase. Dollar figures are rounded up to the next $10.
Cooling this house with 16 SEER takes around 4,709 kWh per season, or about $780. The same summer on a 9 SEER unit costs about $1,380.
Upgrade Payback Finder: Your Old AC vs a New One
Set the two menus: the system in your house now and the one you are weighing. The math uses a 4-ton unit at Tennessee electric rates, $0.165/kWh and climbing 2.15% yearly.
| Installed price of the new system | $11,110 |
| Electricity saved, first year | $600 |
| Saved over 10 summers (rates rising) | $6,580 |
| Payback | 15.8 years |
| Net after 10 summers | -$4,530 |
Not on savings alone: 9 to 16 SEER is $4,530 short after 10 summers in TN.
If the old unit still works, the full install price is the cost of the upgrade. If it has to be replaced anyway, compare the extra price over a 14 SEER bid with the extra savings.
Clarksville: What Each Upgrade From 9 SEER Returns
| 9 SEER | 14 SEER | 16 SEER | 18 SEER | 20 SEER | |
|---|---|---|---|---|---|
| Installation Cost | - | $8,820 | $11,110 | $17,350 | $23,590 |
| Electric Usage / Yr | 8,336 kWh | 5,317 kWh | 4,709 kWh | 4,236 kWh | 3,858 kWh |
| Electric Cost / Yr | $1,380 | $880 | $780 | $700 | $640 |
| Energy Savings / Yr | - | $500 | $600 | $680 | $740 |
| Payback (Rates Rising) | - | 15.2 years | 15.8 years | 20.7 years | 24.6 years |
| 10-Year Net (Rates Rising) | - | -$3,340 | -$4,530 | -$9,910 | -$15,470 |
Lower bills cover a 16 SEER upgrade in about 15.8 years in Clarksville, assuming rates keep rising as they have.
Price Plus Running Cost: Clarksville Totals
Buy Price vs 10-Year Running Cost: Total Cost of Ownership in TN
Install price plus ten seasons of electricity at Tennessee rates, growing 2.15% yearly, gives the real price of each system. Compare the total bars: the shortest one wins. Hover or tap for the breakdown.
After 10 years, 16 SEER is the cheapest system to own in Tennessee: $19,650 all-in ($11,110 installed + $8,540 of electricity).
Includes energy inflation: electricity = this season's cost at today's TN rate, then each of the next nine seasons raised by the historic 2.15%/yr rate increase. Install = the typical installed price on this page. Each figure is rounded up to the next $10 on its own, so the two parts can add up to $10 more than the total. 14 SEER is left out: it is below the federal minimum for new central AC installs in Tennessee.
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The Clarksville Climate in AC Terms
Climate region 3 is where our map puts Tennessee. Across the state, summer days average near 89°F and winter nights near 28°F; Clarksville sits at about 36.6° N. A heat pump in Clarksville works hard in two seasons, which makes build quality and service access as important as the efficiency label.
Climate zones run from 1 (cool) to 5 (hot); Tennessee is in Zone 3.
As one of the more northern Tennessee cities here, Clarksville usually spends more of the year heating than the southern part of the state.
In humid Clarksville weather, the AC is also a dehumidifier, and it only works as one when it runs long enough.
The closest city in this guide is Nashville, about 45 miles to the southeast; it has its own price page.
Ask for the heating side on the same quote. In Clarksville, matched indoor and outdoor equipment runs better, and one visit costs less than two. If a Clarksville bid calls for more than the 4-ton estimate, ask to see the calculation behind the bigger number.
What Clarksville Housing Means for the Job
A replacement is the right time to check Clarksville ducts for leaks and missing insulation, especially in the attic. Most Clarksville jobs are detached houses with open yard space for the condenser, which keeps the install simple.
With ducts in place, central air is usually cheaper; without them, or when you want room-by-room control, ductless wins.
Scheduling an AC Swap in Clarksville
For Clarksville installers, the quiet months are spring and autumn, between summer AC calls and winter furnace calls. Ask whether the bid includes the permit fee and the inspection visit; installers commonly arrange both.
Compare Another Tennessee City
The 16 SEER price in nearby Tennessee cities:
- Nashville, TN: $10,410 to $12,540, 45 mi southeast
- Memphis, TN: $10,390 to $12,520, 180 mi southwest
- Knoxville, TN: $10,230 to $12,330, 190 mi east
- Chattanooga, TN: $10,220 to $12,320, 160 mi southeast
The Clarksville estimate also gives a fair first number for Woodlawn, Palmyra, Cunningham, Southside and Adams.
Statewide averages and the assumptions behind every estimate are in the Tennessee HVAC cost guide. To size a system for your own house, use the AC size calculator; to compare heating and cooling options, try the heat pump calculator.
Modeled estimates, not quotes: equipment, duct condition, access and permit fees will move the final price.
Quick Answers
Figures below use Tennessee averages; energy prices as of October 2026.
Does a heat pump heat for less than natural gas in Tennessee?
Not in Tennessee at today's prices. Natural gas delivers 63,793 BTUs per dollar and a COP-3 heat pump 62,228. Power would need to fall under about 16.0¢ per kWh for the heat pump to win (the Tennessee average is 16.5¢), or the unit would need a higher COP.
Is electricity in Tennessee expensive compared with other states?
Tennessee pays 16.5¢ per kWh on average: 24% under the national figure of 21.7¢ and the 9th cheapest of 51. Cooling bills rise and fall with it.
Is a cold-climate heat pump needed in Tennessee?
Worth considering. Tennessee winter lows average about 28°F, mild enough for a standard unit most nights, cold enough that a cold-climate model or a backup source earns its keep in a freeze.
What does a heat pump save over electric baseboard in Tennessee?
Roughly two-thirds of the bill at COP 3. With the Tennessee average at 16.5¢ per kWh, baseboard heat costs about $48.21 per million BTU and a heat pump about $16.07.
What is the best season to replace an AC or furnace in Tennessee?
Spring or fall, while the old system still runs. Summer days in Tennessee average about 89°F, so have cooling work done by early spring. The first heat wave and the first cold snap fill every installer's calendar; replacing on your own schedule leaves room to compare quotes.
Is it smart to replace the furnace and AC together?
Often. Two old units replaced in one visit share the labor, and the indoor coil gets matched to the outdoor unit as the rating requires. A young furnace or AC can stay; quote the other separately.
Check it for your own home: Central AC cost estimator or Heat pump cost calculator.
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Tennessee HVAC costs (statewide) · HVAC costs in every state
