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HVAC Replacement Cost in Tennessee (2026)

HVAC replacement in Tennessee typically runs $7,400–$16,900 for a complete 3-ton system replacement, with electric heat pumps as the dominant heating choice and roughly 3,300 heating degree days against 2,100 cooling degree days driving the seasonal load mix. Tennessee Valley Authority (TVA) EnergyRight rebates of $250-$1,000 per ton make heat pumps unusually attractive in TVA service territory (most of Middle Tennessee, East Tennessee, and parts of West) — combined with already-mild winter design temps of 15-20°F, HP penetration in TN is among the highest in the South outside of Florida.

State Tennessee
Cities Covered 17
Typical complete 3-ton system replacement $7,400 – $16,900
BLS HVAC mechanic wage $25.07/hr

Tennessee climate & load drivers

  • IECC climate zone: 3A-4A
  • Annual load split: Balanced — heating and cooling loads roughly equal (3,300 HDD / 2,100 CDD)
  • Dominant heating fuel: Electricity (heat pump) — air-source HPs as primary heat
  • Dominant cooling system: Air-source heat pump providing both heating and cooling

Tennessee licensing & permits

  • License status: Statewide license required
  • License board: Tennessee Board for Licensing Contractors — HVAC contractor designation; jobs over $25,000 require state license (official site)
  • Permit: county mechanical permit required

How HVAC replacement costs vary in Tennessee

State-specific code or insurance rule: Tennessee's Board for Licensing Contractors sets a $25,000 threshold under T.C.A. §62-6-103 — among the highest residential-trigger thresholds in the Southeast — below which a contractor with HVAC scope listed on a Home Improvement registration can do change-outs, while above $25K the BC-A license, $50K bond, and full exam are required.

Cities in Tennessee

Compare HVAC replacement pricing for 17 cities across Tennessee.

Bartlett, TN

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Brentwood, TN

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Chattanooga, TN

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Clarksville, TN

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Cleveland, TN

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Collierville, TN

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Franklin, TN

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Germantown, TN

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Hendersonville, TN

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Jackson, TN

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Johnson City, TN

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Kingsport, TN

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Knoxville, TN

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Memphis, TN

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Murfreesboro, TN

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Nashville, TN

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Smyrna, TN

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More state guides

Pricing ranges reflect Tennessee market labor (BLS OEWS HVAC mechanic mean $25.07/hr) and Woogoro regional cost modeling. For the most localized estimate, see your nearest city page above.